GMC Hummer EV SUV — BT1 (2024–2027)

The GMC Hummer EV SUV is the sport-utility body of GMC's BT1-platform electric Hummer, and GM's fleet order guides list its codes under the trim columns 1SF and 1SG, with 3VL added for 2026. NICB's VIN manuals print its series codes (2X and 3X SUV, with Extreme Off Road variants) from model year 2024; its 2026 table adds 3VL 2X and Carbon Fiber Package entries; GM Authority reports regular production of the 2027 model scheduled to start December 14, 2026. The codes here come from the 2025 and 2026 SUV fleet order guides, which are separate from the Hummer EV Pickup guides. No factory list for 2024 or 2027 is in the archive, so those two years carry no rows.

Codes

Engines

Code	Description	Years	Models/Notes	Confidence
EN0	Engine, none (electric motors)	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.6 · 2026 gmc hummer ev suv fleet order guide, p.6	confirmed
ETJ	Battery pack, 20 module	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.6 · 2026 gmc hummer ev suv fleet order guide, p.7	confirmed
XRJ	Dual motor 4WD, performance 4WD (electronic 4WD), 2 motors (1 front and 1 rear electric drive unit)	2025–2026	2025: S in 1SF; not offered in 1SG; 2026: S in 3VL, 1SF; not offered in 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.6 · 2026 gmc hummer ev suv fleet order guide, p.6	confirmed
XRL	Tri-motor 4WD, performance torque vectoring 4WD (electronic 4WD), 3 motors (1 front, 2 rear)	2025–2026	SUV guide wording: Tri-Motor 4WD, performance torque vectoring 4WD (electronic 4WD), 3 motors (1 front and 2 rear). 2025: S in 1SG; not offered in 1SF; 2026: S in 1SG; not offered in 3VL, 1SF. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.6 · 2026 gmc hummer ev suv fleet order guide, p.7	confirmed

Transmissions

Code	Description	Years	Models/Notes	Confidence
MF1	Transmission, none (electric drive unit)	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.6 · 2026 gmc hummer ev suv fleet order guide, p.7	confirmed

Axles

Code	Description	Years	Models/Notes	Confidence
G93	Differential, front, driver-selectable, electronically locking	2025–2026	available only with the Extreme Off-Road Package (Z6X). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.22 · 2026 gmc hummer ev suv fleet order guide, p.26	confirmed
G94	Differential, rear, driver-selectable, electronically locking	2025–2026	available only with the Extreme Off-Road Package (Z6X). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.22 · 2026 gmc hummer ev suv fleet order guide, p.26	confirmed
P79	Rear drive unit, 2 motor, integrated inverter, torque vectoring drive system	2025–2026	SUV guide wording: Drive unit, rear, 2 motors, integrated inverter, torque vectoring drive system. 2025: S in 1SG; not offered in 1SF; 2026: S in 1SG; not offered in 3VL, 1SF. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.6 · 2026 gmc hummer ev suv fleet order guide, p.7	confirmed
P80	Rear drive unit, 1 motor, integrated inverter	2025–2026	2025: S in 1SF; not offered in 1SG; 2026: S in 3VL, 1SF; not offered in 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.6 · 2026 gmc hummer ev suv fleet order guide, p.7	confirmed
P8L	Rear drive unit, 1 motor, integrated inverter, locking differential	2025–2026	available only with the Extreme Off-Road Package (Z6X). 2025: O in 1SF; not offered in 1SG; 2026: O in 1SF; not offered in 3VL, 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.23 · 2026 gmc hummer ev suv fleet order guide, p.27	confirmed
S80	Front drive unit, 1 motor, integrated inverter, park system	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.6 · 2026 gmc hummer ev suv fleet order guide, p.7	confirmed
S8L	Front drive unit, 1 motor, integrated inverter, park system, locking differential	2025–2026	available only with the Extreme Off-Road Package (Z6X). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.23 · 2026 gmc hummer ev suv fleet order guide, p.27	confirmed

Packages & Trims

Code	Description	Years	Models/Notes	Confidence
1SF	Trim group, Hummer EV SUV 2X	2025–2026	trim group column heading in both guides (p.1): under 2X in 2025; in the 2026 guide the 2X heading spans 3VL and 1SF (NICB 2026 lists a plain 2X series, EN). ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1 · 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
1SG	Trim group, Hummer EV SUV 3X	2025–2026	trim group column heading in both guides (p.1): under 3X; the Carbon Fiber Edition Package (WFP) is offered in this column only. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1 · 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
3VL	Trim group, Hummer EV SUV 2X (3VL)	2026	trim group column heading in the 2026 guide (p.1); the 2X heading spans 3VL and 1SF and 3X sits over 1SG (Dual Motor 4WD XRJ is standard in 3VL and 1SF); NICB 2026 p.154 lists "3VL 2X" (series EH). ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
BS1	Enhanced Acoustic Package	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2 · 2026 gmc hummer ev suv fleet order guide, p.2	confirmed
PCI	LPO, illumination package	2025–2026	includes front off-road auxiliary lights (RZU), outside rearview mirror projection lights with HUMMER EV logo (S3O), accessory touch-screen control switches (VBP) and interior ambient footwell lighting (SIM); the 2026 guide marks it no longer available to order, and PEL is the 2026 package without RZU or VBP. 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.20 · 2026 gmc hummer ev suv fleet order guide, p.23	confirmed
PCK	LPO, bronze beadlock package	2025–2026	includes Tech Bronze D-ring recovery hooks, front and rear (W0H), Tech Bronze emblems (RIK), 18 inch Grazen Metallic beadlock capable wheels with Tech Bronze decorative ring (RZK) and the matching 18 inch spare (RZT); requires the Extreme Off-Road Package (Z6X); not available with the Sport Package (PCP). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.19 · 2026 gmc hummer ev suv fleet order guide, p.23	confirmed
PCP	LPO, sport package	2025–2026	includes the Sport Pedal Cover Package (SBZ), Performance Red emblems (RIK), front and rear splash guards (VQK) and front D-ring recovery hooks in Performance Red (ULK); not available with the Bronze Beadlock Package (PCK). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.20 · 2026 gmc hummer ev suv fleet order guide, p.24	confirmed
PCQ	LPO, cargo utility package	2025–2026	includes the all-weather cargo liner (CAV), cargo security shade (VRS) and cargo net (W2D); the 2025 guide also includes the cargo collapsible organizer (RWU), the 2026 guide does not. 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.16 · 2026 gmc hummer ev suv fleet order guide, p.19	confirmed
PDB	LPO, dark essentials package	2025–2026	includes Black emblems (RIK) and the Black rear D-ring recovery hook (SDA); the guides add that the 1SG trim also includes the Gloss Black 22 inch wheels (PHY) and spare (QNF); not available with the Sport Package (PCP). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.19 · 2026 gmc hummer ev suv fleet order guide, p.23	confirmed
PEL	LPO, illumination package	2026	includes outside rearview mirror projection lights with HUMMER EV logo (S3O) and interior ambient footwell lighting (SIM). 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.23	confirmed
SBZ	LPO, sport pedal cover package	2025–2026	included only in the Sport Package (PCP). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.16 · 2026 gmc hummer ev suv fleet order guide, p.20	confirmed
VQQ	LPO, roof cross rail package	2025–2026	2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.20 · 2026 gmc hummer ev suv fleet order guide, p.24	confirmed
WFP	Carbon Fiber Edition Package	2026	includes Magnus Gray Matte exterior color (GBL), Velocity Ember interior (EHM), 22 inch Carbon Fiber Black wheels (RZF) and spare wheel (QN7), LT305/55R22 35 inch spare tire (QNX), Black emblems (RIK), Carbon Fiber skid plate insert (8EK) and Black-painted approach shield (PZG); the guide marks it no longer available to order, not available with the Extreme Off-Road Package (Z6X); Carbon Fiber mirror caps (DBF) were included only before 11-5-2025. 2026: O in 1SG; not offered in 3VL, 1SF. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.21	confirmed
Z6X	Package, extreme off-road	2025–2026	includes spare wheel (QNB), 18 inch Black aluminum wheels (RCS), LT305/70R18 tires (QMG), full underbody skid plates (NZZ), electronically locking front and rear differentials (G93, G94), underbody cameras (UXA), Black rear D-ring recovery hook (SDA) and rocker protectors with assist steps (S6L); the 2026 guide also includes the 35 inch M/T spare tire (QNZ) and, from 1-23-2026, the 18 x 9.5 wheels (RB9) in place of RCS. 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.18 · 2026 gmc hummer ev suv fleet order guide, p.21	confirmed
Z82	Package, trailering	2025–2026	includes trailer hitch, 7-pin connector and Hitch Guidance (CTT). ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.5 · 2026 gmc hummer ev suv fleet order guide, p.6	confirmed

Equipment

Code	Description	Years	Models/Notes	Confidence
5AV	LPO, GM Energy PowerShift charger, residential bidirectional EV charger	2025–2026	SUV guide wording: LPO, GM Energy PowerShift Charger, residential bidirectional EV charger, up to 19.2 kW of charging, 80-amp, hardwired, with 25 foot cord. not available with the GM PowerUp 2 charger (5CH). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.23 · 2026 gmc hummer ev suv fleet order guide, p.27	confirmed
5C6	Cargo tie-downs	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2 · 2026 gmc hummer ev suv fleet order guide, p.2	confirmed
5CH	LPO, GM PowerUp 2 (J1772) charger, residential EV charger	2025–2026	SUV guide wording: LPO, GM PowerUp 2 (J1772) Charger, residential EV charger, up to 11.5 kW of charging, 40-amp (48-amp maximum), hardwired, with 25 foot cord. not available with the GM Energy PowerShift Charger (5AV). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.23 · 2026 gmc hummer ev suv fleet order guide, p.27	confirmed
8EK	Skid plate insert, carbon fiber	2026	available only with the Carbon Fiber Edition Package (WFP). 2026: O in 1SG; not offered in 3VL, 1SF. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.22	confirmed
A2X	Seat adjuster, driver, 12 way power including 4 way lumbar	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
A45	Driver memory	2025–2026	SUV guide wording: Driver memory, recalls driver presets for driver seat, steering column and outside mirrors. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
A50	Seats, front bucket, with center console	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3 · 2026 gmc hummer ev suv fleet order guide, p.3	confirmed
A64	Seat, folding and reclining 60/40 split rear bench	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3 · 2026 gmc hummer ev suv fleet order guide, p.3	confirmed
A7K	Seat adjuster, passenger, 12 way power including 4 way lumbar	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
AGJ	Glass, side front tempered, solar glazing	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.4 · 2026 gmc hummer ev suv fleet order guide, p.5	confirmed
AHV	Power hood	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.4 · 2026 gmc hummer ev suv fleet order guide, p.5	confirmed
AJ7	Airbags	2025–2026	SUV guide wording: Airbags, dual-stage frontal for driver and front passenger, seat-mounted side-impact for driver and front passenger, includes front Passenger Sensing System. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1 · 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
AKO	Glass, deep-tinted, rear door and rear windshield	2025–2026	GM prints a letter O here; no zero form of this code exists in GM lists. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.4 · 2026 gmc hummer ev suv fleet order guide, p.5	confirmed
AL0	Front outboard passenger sensing system for frontal outboard passenger airbag	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1 · 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
ARU	Glass, privacy glazing, rear side windows	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.4 · 2026 gmc hummer ev suv fleet order guide, p.5	confirmed
AT8	LATCH system (lower anchors and tethers for children), for child restraint seats	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1 · 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
ATH	Keyless open and start	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2 · 2026 gmc hummer ev suv fleet order guide, p.3	confirmed
AU3	Door locks, power	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2 · 2026 gmc hummer ev suv fleet order guide, p.2	confirmed
AVI	Seat belt adjustable guide loops, front row	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
BG9	Floor covering, all-weather durable rubber over vinyl flooring	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2 · 2026 gmc hummer ev suv fleet order guide, p.3	confirmed
BKA	Premium floor liners, floor liner rubber inserts, front, with HUMMER EV logos	2025–2026	SUV guide wording: Premium floor liners, rubber inserts, front, with HUMMER EV logos. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2 · 2026 gmc hummer ev suv fleet order guide, p.3	confirmed
BKD	Premium floor liner, floor liner rubber insert, rear, with HUMMER EV logo	2025–2026	SUV guide wording: Premium floor liner, rubber insert, rear, with HUMMER EV logo. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2 · 2026 gmc hummer ev suv fleet order guide, p.3	confirmed
BTM	Push button start	2025	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2	confirmed
BTT	Alarm, remote panic	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2 · 2026 gmc hummer ev suv fleet order guide, p.3	confirmed
BTV	Remote vehicle starter system, pre-conditioning	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2 · 2026 gmc hummer ev suv fleet order guide, p.2	confirmed
C49	Defogger, rear-window electric	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2 · 2026 gmc hummer ev suv fleet order guide, p.2	confirmed
C77	Air vents, rear console	2025–2026	the 2025 guide adds forced air to the wording. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1 · 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
CAV	LPO, all-weather cargo liner	2025–2026	included in the Cargo Utility Package (PCQ). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.16 · 2026 gmc hummer ev suv fleet order guide, p.19	confirmed
CC3	Infinity Roof with removable transparent Sky Panels	2025–2026	SUV guide wording: Infinity Roof, with removable transparent Sky Panels, includes 4 storage bags, front I-bar is removable. 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.15 · 2026 gmc hummer ev suv fleet order guide, p.19	confirmed
CE1	Wipers, 3 front intermittent, Rainsense	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.5 · 2026 gmc hummer ev suv fleet order guide, p.6	confirmed
CF7	Infinity Roof with removable opaque Sky Panels	2025–2026	SUV guide wording: Infinity Roof, with removable opaque Sky Panels, includes 4 storage bags, front I-bar is removable. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.4 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
CJ4	Air conditioning, tri-zone automatic climate control, front and rear electronic controls	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1 · 2026 gmc hummer ev suv fleet order guide, p.2	confirmed
CTB	Intersection automatic emergency braking	2026	SUV guide wording: Intersection Automatic Emergency Braking, intersection alert, braking. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
CTT	Hitch guidance	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.5 · 2026 gmc hummer ev suv fleet order guide, p.6	confirmed
CWA	Rear camera washer	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.5 · 2026 gmc hummer ev suv fleet order guide, p.5	confirmed
DBF	Mirror caps, carbon fiber	2026	available only with the Carbon Fiber Edition Package (WFP) before 11-5-2025, not from that date. 2026: O in 1SG; not offered in 3VL, 1SF. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.22	confirmed
DRZ	Rear camera mirror	2025–2026	SUV guide wording: Rear Camera Mirror, inside rearview, auto-dimming, with full camera display. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2 · 2026 gmc hummer ev suv fleet order guide, p.3	confirmed
E01	Assist steps, aluminum, fixed	2025–2026	not available with the Extreme Off-Road Package (Z6X) or the LPO rocker protectors with assist steps (S6L). ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.4 · 2026 gmc hummer ev suv fleet order guide, p.5	confirmed
E6V	Power rear gate, programmable	2025–2026	the 2025 guide prints "Power Swing Gate, rear power programmable". ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.4 · 2026 gmc hummer ev suv fleet order guide, p.5	confirmed
EBI	Map pockets, driver and front passenger seatbacks	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
EPH	Electronic precision shift	2025–2026	SUV guide wording: Electronic Precision Shift, electronic transmission range selector with Low selection for throttle off regenerative braking and one-pedal driving capability. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.6 · 2026 gmc hummer ev suv fleet order guide, p.7	confirmed
F45	Chassis, continuous damping adaptive ride control	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.6 · 2026 gmc hummer ev suv fleet order guide, p.7	confirmed
F47	Suspension, adaptive air ride, front and rear, with adjustable ride height and Extract Mode	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.6 · 2026 gmc hummer ev suv fleet order guide, p.7	confirmed
FX3	Suspension, ride and handling, automatic electronic controlled	2026	⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.7	confirmed
HS1	Safety alert seat	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1 · 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
IOK	Audio system, 13.4 inch diagonal premium GMC infotainment system	2025	SUV guide wording: Audio system, 13.4 inch diagonal Premium GMC Infotainment System with Google built-in apps such as navigation and voice assistance, color touch-screen, multi-touch display, AM/FM stereo, Bluetooth streaming audio, wireless Android Auto and Apple CarPlay capability. the 2026 guide lists the 13.4 inch system as IVE. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1	confirmed
IVE	Infotainment system, 13.4 inch diagonal premium GMC	2026	SUV guide wording: 13.4 inch diagonal Premium GMC Infotainment System, high contrast display, Google built-in compatibility, navigation capability, color touch-screen, multi-touch display, connected apps, personalized profiles for each driver's settings, Natural Voice Recognition. the 2025 guide lists the 13.4 inch system as IOK. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.2	confirmed
J77	Brake, electronic parking	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.6 · 2026 gmc hummer ev suv fleet order guide, p.6	confirmed
JAD	Brakes, apply control, electric, integrated	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.5 · 2026 gmc hummer ev suv fleet order guide, p.6	confirmed
JCF	Brake rotor, FNC	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.5 · 2026 gmc hummer ev suv fleet order guide, p.6	confirmed
JL1	Trailer brake controller, integrated	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.5 · 2026 gmc hummer ev suv fleet order guide, p.6	confirmed
JSZ	Brakes, front and rear sliding caliper disc with DURALIFE rotors, with regenerative capability	2025–2026	SUV guide wording: Brakes, 18 inch front and rear sliding caliper disc with DURALIFE rotors, with regenerative capability. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.5 · 2026 gmc hummer ev suv fleet order guide, p.6	confirmed
K12	Air filter, pollutant	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1 · 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
K2O	Charging module, 19.2 kW high-voltage	2025–2026	SUV guide wording: Charging module, 19.2 kW high-voltage, with vehicle-to-load and vehicle-to-vehicle capability (requires additional equipment). the 2026 guide prints "Energy Transfer Pro". GM prints a letter O here; K20 in GM's other lists is a different part (the electronic control module). ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.6 · 2026 gmc hummer ev suv fleet order guide, p.6	confirmed
K4C	Wireless phone charging	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.4 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
KA1	Seats, heated, driver and front passenger	2025–2026	the 2025 guide prints "Seating, heated driver and front passenger". ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
KA6	Seats, heated, second row outboard	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
KI3	Steering wheel, heated	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
KI4	Power outlet, rear center console, 120 volt (400 watts shared with KC9)	2025–2026	SUV guide wording: Power outlet, rear center console, 120-volt (400 watts shared with the bed mounted power outlet KC9). ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3 · 2026 gmc hummer ev suv fleet order guide, p.3	confirmed
KQV	Seats, ventilated, driver and front passenger	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
KRV	Air conditioning, refrigerant	2025–2026	SUV guide wording: Air conditioning, refrigerant, low GWP. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1 · 2026 gmc hummer ev suv fleet order guide, p.2	confirmed
KSG	Adaptive cruise control	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2 · 2026 gmc hummer ev suv fleet order guide, p.2	confirmed
N38	Steering column, power tilt and telescoping	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.4 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
NAM	Google Automotive Services capable	2026	⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.2	confirmed
NCG	Door locks, child security, rear	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2 · 2026 gmc hummer ev suv fleet order guide, p.2	confirmed
NP5	Steering wheel, premium	2025–2026	the 2026 guide prints "Super Cruise steering wheel, wrapped". ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
NYS	Steering, electronic, 4 wheel, with CrabWalk diagonal-drive functionality at low speeds	2025–2026	the 2026 guide adds King Crab mode functionality. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.6 · 2026 gmc hummer ev suv fleet order guide, p.7	confirmed
NZZ	Skid plates, full underbody	2025–2026	available only with the Extreme Off-Road Package (Z6X). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.23 · 2026 gmc hummer ev suv fleet order guide, p.28	confirmed
PHY	Wheels, 22 x 9.5 gloss black painted aluminum	2025–2026	not available with the Extreme Off-Road Package (Z6X). 2025: S in 1SF; O in 1SG; 2026: S in 3VL, 1SF; O in 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.5 · 2026 gmc hummer ev suv fleet order guide, p.6	confirmed
PHZ	Wheels, 22 x 9.5 premium finish painted aluminum with selective machining	2025–2026	SUV guide wording: Wheels, 22 x 9.5 Premium Finish painted aluminum with selective machining, includes spare wheel (QNG). not available with the Extreme Off-Road Package (Z6X), the Dark Essentials Package (PDB) or the LPO 22 inch Grazen Metallic wheels (SMB). 2025: S in 1SG; O in 1SF; 2026: S in 1SG; O in 1SF; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.5 · 2026 gmc hummer ev suv fleet order guide, p.6	confirmed
PPW	Wireless phone projection	2025	SUV guide wording: Wireless phone projection, for Apple CarPlay and Android Auto. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2	confirmed
PSC	Dual level charge cord	2025–2026	SUV guide wording: Dual Level Charge Cord, dual-mode, portable, 120-volt (1.4 kW) and 240-volt (7.7 kW) capability, swappable NEMA 5-15 and NEMA 14-50 plugs with SAE J1772 vehicle connection. optional in 2025, standard in 2026. 2025: O in 1SF, 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.22 · 2026 gmc hummer ev suv fleet order guide, p.6	confirmed
PZ8	Hitch guidance with hitch view	2025–2026	SUV guide wording: Hitch Guidance with Hitch View, with image adjustment. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.5 · 2026 gmc hummer ev suv fleet order guide, p.6	confirmed
PZG	Approach shield, black-painted	2026	available only with the Carbon Fiber Edition Package (WFP). 2026: O in 1SG; not offered in 3VL, 1SF. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.21	confirmed
Q8E	Mechanical jack	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3 · 2026 gmc hummer ev suv fleet order guide, p.3	confirmed
QMG	Tires, LT305/70R18 Goodyear Wrangler Territory MT	2025–2026	available only with the Extreme Off-Road Package (Z6X). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.19 · 2026 gmc hummer ev suv fleet order guide, p.22	confirmed
QMH	Tires, LT305/55R22	2025–2026	SUV guide wording: Tires, LT305/55R22 Goodyear Wrangler Territory AT. not available with the Extreme Off-Road Package (Z6X) in 2026. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.5 · 2026 gmc hummer ev suv fleet order guide, p.5	confirmed
QN7	Wheel, spare, 22 inch Carbon Fiber Black	2026	available only with the Carbon Fiber Edition Package (WFP). 2026: O in 1SG; not offered in 3VL, 1SF. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.22	confirmed
QNB	Wheel, spare, 18 x 9 Black aluminum with machined accents	2025–2026	available only with the Extreme Off-Road Package (Z6X). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.19 · 2026 gmc hummer ev suv fleet order guide, p.22	confirmed
QNF	Wheel, spare, 22 x 9.5 Gloss Black painted aluminum	2025–2026	2025: S in 1SF; O in 1SG; 2026: S in 3VL, 1SF; O in 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.5 · 2026 gmc hummer ev suv fleet order guide, p.5	confirmed
QNG	Wheel, spare, 22 x 9.5 Premium Finish painted aluminum with selective machining	2025–2026	included with and available only with the 22 inch Premium Finish wheels (PHZ). 2025: S in 1SG; O in 1SF; 2026: S in 1SG; O in 1SF; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.5 · 2026 gmc hummer ev suv fleet order guide, p.5	confirmed
QNX	Tire, spare, LT305/55R22 35 inch	2025–2026	included with the Carbon Fiber Edition Package (WFP) in 2026. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.5 · 2026 gmc hummer ev suv fleet order guide, p.5	confirmed
QNZ	Tire, spare, LT305/70R18-126/123R, 35 inch M/T	2025–2026	available only with the Extreme Off-Road Package (Z6X). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.19 · 2026 gmc hummer ev suv fleet order guide, p.22	confirmed
R6P	SiriusXM, 3 years	2025–2026	2025: O in 1SF, 1SG; 2026: O in 3VL, 1SF, 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.13 · 2026 gmc hummer ev suv fleet order guide, p.15	confirmed
R8S	OnStar One Super Cruise extension to 8 years	2026	2026: O in 3VL, 1SF, 1SG. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.18	confirmed
R9L	OnStar One, 3 years, deleted (also deletes OnStar One with Super Cruise upgrade, for suitably equipped, eligible vehicles)	2025–2026	the 2025 guide prints "Deleted 3 Years of Super Cruise and Digital Services by OnStar" (removes 3 years of Super Cruise and OnStar Digital Services); R9L has another meaning in the second guide entry, OnStar Basics deleted (next row). 2025: O in 1SF, 1SG; 2026: O in 3VL, 1SF, 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.15 · 2026 gmc hummer ev suv fleet order guide, p.18	confirmed
R9L	OnStar Basics, deleted (OnStar Fleet Basics for Fleet)	2025–2026	included and only available on vehicles shipped to Puerto Rico, the Virgin Islands or Guam; the 2026 guide prints "Removes OnStar Basics"; R9L has another meaning in the other guide entry (OnStar One deleted, previous row). ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.14 · 2026 gmc hummer ev suv fleet order guide, p.17	confirmed
R9M	OnStar One, 3 years	2025–2026	the 2025 guide prints "3 Years of Super Cruise and Digital Services by OnStar". ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3 · 2026 gmc hummer ev suv fleet order guide, p.3	confirmed
R9V	Mobile Service Plus, 3 years	2025–2026	SUV guide wording: Mobile Service Plus, 3 years (Mobile Service, pick-up and delivery, and loaner with drop off). 2025: O in 1SF, 1SG; 2026: O in 3VL, 1SF, 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.14 · 2026 gmc hummer ev suv fleet order guide, p.17	confirmed
R9W	Mobile Service Plus, deleted	2025–2026	2025: O in 1SF, 1SG; 2026: O in 3VL, 1SF, 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.14 · 2026 gmc hummer ev suv fleet order guide, p.17	confirmed
R9Y	Mobile Service Plus, 1 year	2025–2026	SUV guide wording: Mobile Service Plus, 1 year (Mobile Service, pick-up and delivery, and loaner with drop off). 2025: O in 1SF, 1SG; 2026: O in 3VL, 1SF, 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.14 · 2026 gmc hummer ev suv fleet order guide, p.16	confirmed
RB9	Wheels, 18 x 9.5 black aluminum with machined accents	2026	available only with the Extreme Off-Road Package (Z6X); not available with RCS. 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.23	confirmed
RCS	Wheels, 18 x 9 black aluminum with machined accents	2025–2026	requires the Extreme Off-Road Package (Z6X) in 2026; not available with RB9. 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.19 · 2026 gmc hummer ev suv fleet order guide, p.23	confirmed
RIK	LPO, emblems	2025–2026	Black with the Dark Essentials Package (PDB), Tech Bronze with the Bronze Beadlock Package (PCK), Performance Red with the Sport Package (PCP); the 2026 guide also gives the Black emblems with the Carbon Fiber Edition Package (WFP). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.20 · 2026 gmc hummer ev suv fleet order guide, p.24	confirmed
RSR	Rear seat reminder	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
RWU	LPO, cargo collapsible organizer	2025	included only in the Cargo Utility Package (PCQ). 2025: O in 1SF, 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.16	confirmed
RYC	LPO, all-weather eTrunk mat	2025–2026	not available with the LPO Sky panel storage set (SC8). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.16 · 2026 gmc hummer ev suv fleet order guide, p.20	confirmed
RYH	LPO, GM NACS Level 2 adapter, residential AC adapter for use on NACS Level 2 chargers	2026	SUV guide wording: LPO, GM NACS Level 2 Adapter, residential AC adapter for NACS Level 2 chargers, including wall and mobile connectors. GM says it is intended for J1772 native inlet vehicles. 2026: O in 3VL, 1SF, 1SG. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.27	confirmed
RYU	LPO, NACS DC adapter	2026	SUV guide wording: LPO, NACS DC Adapter, DC fast charging adapter for public NACS fast charging stations. GM says it is intended for CCS native inlet vehicles; the 2025 guide lists the same adapter as RYZ. 2026: O in 3VL, 1SF, 1SG. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.27	confirmed
RYZ	LPO, NACS DC adapter	2025	SUV guide wording: LPO, NACS DC Adapter, DC fast charging adapter for public NACS fast charging stations. GM says it is intended for CCS native inlet vehicles; the 2026 guide lists the same adapter as RYU. 2025: O in 1SF, 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.23	confirmed
RZF	Wheels, 22 x 9.5 carbon fiber black	2026	available only with the Carbon Fiber Edition Package (WFP). 2026: O in 1SG; not offered in 3VL, 1SF. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.23	confirmed
RZK	LPO, 18 Grazen Metallic beadlock capable wheels with Tech Bronze decorative ring	2025–2026	SUV guide wording: LPO, 18 inch Grazen Metallic beadlock capable wheels with Tech Bronze decorative ring. includes the matching spare (RZT); included in and available only with the Bronze Beadlock Package (PCK). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.20 · 2026 gmc hummer ev suv fleet order guide, p.25	confirmed
RZT	LPO, spare 18 Grazen Metallic beadlock wheel with Tech Bronze decorative ring	2025–2026	SUV guide wording: LPO, Spare wheel, 18 inch Grazen Metallic beadlock with Tech Bronze decorative ring. included in and available only with RZK. 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.21 · 2026 gmc hummer ev suv fleet order guide, p.25	confirmed
RZU	LPO, front off-road auxiliary lights	2025–2026	included only in the Illumination Package (PCI). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.20 · 2026 gmc hummer ev suv fleet order guide, p.24	confirmed
S0F	LPO, carbon fiber hood insert	2026	2026: O in 1SG; not offered in 3VL, 1SF. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.24	confirmed
S1O	LPO, console-mounted safe	2025–2026	the 2026 guide prints "Lockable storage container". GM prints a letter O here; no zero form exists in GM lists. 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.16 · 2026 gmc hummer ev suv fleet order guide, p.20	confirmed
S3O	LPO, outside rearview mirror projection lights with HUMMER EV logo	2025–2026	included in the Illumination Packages (PCI, PEL). GM prints a letter O here; no zero form exists in GM lists. 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.20 · 2026 gmc hummer ev suv fleet order guide, p.24	confirmed
S6L	LPO, rocker protectors with assist steps	2025–2026	included in and available only with the Extreme Off-Road Package (Z6X). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.20 · 2026 gmc hummer ev suv fleet order guide, p.24	confirmed
SAU	LPO, spare tire cover, Black, hard shell with soft wrap	2025–2026	2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.20 · 2026 gmc hummer ev suv fleet order guide, p.25	confirmed
SBD	LPO, Sky convertible top	2025–2026	2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.16 · 2026 gmc hummer ev suv fleet order guide, p.20	confirmed
SC8	LPO, Sky Panel storage set for eTrunk	2025–2026	not available with the LPO all-weather eTrunk mat (RYC). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.16 · 2026 gmc hummer ev suv fleet order guide, p.20	confirmed
SDA	LPO, rear D-ring recovery hook, Black, articulating D-ring, frame mounted	2025–2026	2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.20 · 2026 gmc hummer ev suv fleet order guide, p.24	confirmed
SFE	LPO, bright wheel locks	2026	2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.25	confirmed
SGY	LPO, spare wheel, 18 inch	2025–2026	included in and available only with the LPO 18 inch Tech Bronze wheels (SMA). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.21 · 2026 gmc hummer ev suv fleet order guide, p.25	confirmed
SIM	LPO, interior LED lighting kit	2025–2026	SUV guide wording: LPO, Interior LED lighting kit, front footwell. 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.16 · 2026 gmc hummer ev suv fleet order guide, p.19	confirmed
SJK	LPO, spare wheel, 22 inch	2025–2026	included in and available only with the LPO 22 inch Grazen Metallic wheels (SMB). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.21 · 2026 gmc hummer ev suv fleet order guide, p.25	confirmed
SMA	LPO, wheels, 18 Tech Bronze with machined face	2025–2026	SUV guide wording: LPO, Wheels, 18 inch Tech Bronze with machined face. a second set of wheels; requires the Extreme Off-Road Package (Z6X). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.20 · 2026 gmc hummer ev suv fleet order guide, p.25	confirmed
SMB	LPO, wheels, 22 Grazen Metallic, dealer-installed	2025–2026	SUV guide wording: LPO, Wheels, 22 inch Grazen Metallic. a second set of wheels; includes the 22 inch spare (SJK); not available with the Extreme Off-Road Package (Z6X). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.21 · 2026 gmc hummer ev suv fleet order guide, p.25	confirmed
SPY	LPO, wheel lug nuts, black	2026	requires the Black wheel lock kit (SPZ). 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.25	confirmed
SPZ	LPO, wheel lock kit, black	2025–2026	2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.20 · 2026 gmc hummer ev suv fleet order guide, p.25	confirmed
T4L	Headlamps, LED, with LED daytime running lamps	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.4 · 2026 gmc hummer ev suv fleet order guide, p.5	confirmed
T8Z	Seat belt shifter interlock, customizable	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1 · 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
TDM	Teen Driver	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.4 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
TQ5	IntelliBeam	2025–2026	SUV guide wording: IntelliBeam, automatic high beam on and off. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1 · 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
TRJ	Trailer vision, rear view	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.5 · 2026 gmc hummer ev suv fleet order guide, p.6	confirmed
TRO	LPO, auxiliary trailer camera, wired	2025–2026	SUV guide wording: LPO, Auxiliary trailer camera, wired, one camera and hardware, shipped loose. GM prints a letter O here; TR0 in GM's other lists is a different part (the rear roof courtesy and dual reading lamp). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.17 · 2026 gmc hummer ev suv fleet order guide, p.20	confirmed
U2K	SiriusXM with 360L	2025–2026	SUV guide wording: SiriusXM with 360L, trial subscription. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2 · 2026 gmc hummer ev suv fleet order guide, p.2	confirmed
U5G	5G vehicle connectivity	2026	⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.3	confirmed
UBD	USB ports, 2 (first row), located on console	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3 · 2026 gmc hummer ev suv fleet order guide, p.3	confirmed
UBI	USB ports, rear, dual, charge-only	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3 · 2026 gmc hummer ev suv fleet order guide, p.3	confirmed
UDV	Instrument cluster and driver information center, reconfigurable, 12.3 inch diagonal	2025	the 2026 guide lists an 11 inch driver information center as URF. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2	confirmed
UE1	OnStar services capable	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2 · 2026 gmc hummer ev suv fleet order guide, p.3	confirmed
UE4	Following distance indicator	2025	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1	confirmed
UEN	Seat belt, front passenger presence detector	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
UET	Smart trailer integration indicator	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.5 · 2026 gmc hummer ev suv fleet order guide, p.6	confirmed
UEU	Forward collision alert	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1 · 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
UFB	Rear cross traffic braking	2026	⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
UFG	Rear cross traffic alert	2025	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1	confirmed
UG1	Universal home remote	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.4 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
UGN	Enhanced automatic emergency braking	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1 · 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
UJN	Tire pressure monitoring system	2025–2026	SUV guide wording: Tire Pressure Monitoring System with auto learn. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.4 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
UK3	Steering wheel audio controls	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
UKJ	Front pedestrian braking	2025	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1	confirmed
UKK	Rear pedestrian alert	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1 · 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
UKL	Super Cruise	2025–2026	SUV guide wording: Super Cruise, advanced driver assistance technology for use on compatible roads, includes 3 years of OnStar One with Super Cruise upgrade. requires OnStar (UE1) and 3 Years OnStar One (R9M). ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2 · 2026 gmc hummer ev suv fleet order guide, p.2	confirmed
UKT	Front pedestrian and bicyclist braking	2026	⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
UKV	Trailer side blind zone alert	2025	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1	confirmed
UKW	Blind zone steering assist with trailering	2026	⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
UKZ	Enhanced automatic parking assist	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1 · 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
ULK	LPO, D-ring recovery hooks, Performance Red	2025–2026	SUV guide wording: LPO, D-ring recovery hooks, Performance Red, front. an on-road variant gets two front hooks; two front and two rear hooks come with the Extreme Off-Road Package (Z6X); included only in the Sport Package (PCP). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.20 · 2026 gmc hummer ev suv fleet order guide, p.24	confirmed
ULM	Driver attention assist	2026	⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
UMN	Speedometer, miles and kilometers	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
UOW	Side bicyclist alert	2026	⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
UQS	Audio system feature, Bose premium Surround Sound 14-speaker system	2025–2026	SUV guide wording: Audio system feature, Bose premium Surround Sound 14-speaker system with Centerpoint. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2 · 2026 gmc hummer ev suv fleet order guide, p.2	confirmed
URC	Drive mode control	2025–2026	SUV guide wording: Drive Mode Control, includes My Mode, Normal, Off-Road, Terrain and Tow/Haul. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.6 · 2026 gmc hummer ev suv fleet order guide, p.7	confirmed
URF	Driver information center, 11 inch diagonal display	2026	the 2025 guide lists a 12.3 inch cluster as UDV. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.2	confirmed
UTJ	Theft-deterrent system	2025–2026	SUV guide wording: Theft-deterrent system, unauthorized entry. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.4 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
UV2	HD surround vision	2025–2026	SUV guide wording: HD Surround Vision, with trailer view camera provision. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2 · 2026 gmc hummer ev suv fleet order guide, p.3	confirmed
UVX	Traffic sign recognition	2026	SUV guide wording: Traffic Sign Recognition, enhanced, sensor indicator. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
UVZ	Reverse automatic braking	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1 · 2026 gmc hummer ev suv fleet order guide, p.1	confirmed
UXA	Underbody cameras	2025–2026	SUV guide wording: Underbody cameras, forward and rearward facing, with washers and lens protectors. available only with the Extreme Off-Road Package (Z6X). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.14 · 2026 gmc hummer ev suv fleet order guide, p.16	confirmed
VBP	LPO, accessory touch-screen control switches	2025–2026	included only in the Illumination Package (PCI). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.16 · 2026 gmc hummer ev suv fleet order guide, p.19	confirmed
VK3	License plate kit, front	2025–2026	2025: O in 1SF, 1SG; 2026: O in 3VL, 1SF, 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.18 · 2026 gmc hummer ev suv fleet order guide, p.22	confirmed
VQK	LPO, front and rear splash guards, custom molded	2025–2026	included in the Sport Package (PCP). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.20 · 2026 gmc hummer ev suv fleet order guide, p.24	confirmed
VRS	LPO, cargo security shade	2025–2026	included in the Cargo Utility Package (PCQ). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.16 · 2026 gmc hummer ev suv fleet order guide, p.19	confirmed
VSU	LPO, sunshade decal kit	2026	requires the Infinity Roof (CC3). 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.20	confirmed
VV4	Wi-Fi hotspot capable	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.2 · 2026 gmc hummer ev suv fleet order guide, p.3	confirmed
VYW	LPO, premium carpeted floor mats	2025–2026	2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.16 · 2026 gmc hummer ev suv fleet order guide, p.19	confirmed
W0H	LPO, D-ring recovery hook, Tech Bronze	2025–2026	SUV guide wording: LPO, D-ring recovery hook, Tech Bronze, front and rear. included only in the Bronze Beadlock Package (PCK). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.20 · 2026 gmc hummer ev suv fleet order guide, p.24	confirmed
W2D	LPO, accessory cargo net	2025–2026	included in the Cargo Utility Package (PCQ). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.16 · 2026 gmc hummer ev suv fleet order guide, p.19	confirmed
WLD	Windows, remote express-down, front and rear door windows	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.4 · 2026 gmc hummer ev suv fleet order guide, p.4	confirmed
WMI	Active aero shutters, upper and lower	2025–2026	⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.5 · 2026 gmc hummer ev suv fleet order guide, p.5	confirmed

Paint

Code	Description	Years	Models/Notes	Confidence
G42	Paint, Coastal Dune	2026	extra charge; not offered with the Velocity Ember interior; touch-up WA-234L; GM Authority names it as a new 2026 color. GM Authority lists the paint code (checked 2026-10-07). ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.30	confirmed
G7X	Paint, Tide Metallic (Ice Blue)	2025	extra charge; the 2025 guide marks it not available to order at this time; touch-up WA-621G; the GM Authority paint article says it is no longer available to order. GM Authority lists the paint code (checked 2026-10-07). ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.25	confirmed
GAG	Paint, Solar Orange	2025–2026	extra charge; touch-up WA-221K; not offered with the 2026 Stealth Eclipse or Velocity Ember interiors. GM Authority lists the paint code (checked 2026-10-07). ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.25 · 2026 gmc hummer ev suv fleet order guide, p.30	confirmed
GAI	Paint, Graphite Blue Metallic	2025–2026	extra charge; touch-up WA-223K. GM Authority lists the paint code (checked 2026-10-07). ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.25 · 2026 gmc hummer ev suv fleet order guide, p.30	confirmed
GAZ	Paint, Interstellar White	2025–2026	touch-up WA-8624. GM Authority lists the paint code (checked 2026-10-07). ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.25 · 2026 gmc hummer ev suv fleet order guide, p.30	confirmed
GBA	Paint, Void Black	2025–2026	extra charge; touch-up WA-8555. GM Authority lists the paint code (checked 2026-10-07). ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.25 · 2026 gmc hummer ev suv fleet order guide, p.30	confirmed
GBL	Paint, Magnus Gray Matte	2026	only with the Carbon Fiber Edition Package (WFP) and the Velocity Ember interior (EHM); touch-up WA-234K. GM Authority lists the paint code (checked 2026-10-07). ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.30	confirmed
GNO	Paint, Meteorite Metallic (Gray)	2025–2026	extra charge; touch-up WA-633D; GM prints a letter O here, and GN0 in GM's other lists is a different part (a rear multileaf suspension). GM Authority lists the paint code (checked 2026-10-07). ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.25 · 2026 gmc hummer ev suv fleet order guide, p.30	confirmed
GXN	Paint, Deep Aurora Metallic (Dark Bronze)	2025–2026	extra charge; touch-up WA-135H. GM Authority lists the paint code (checked 2026-10-07). ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.25 · 2026 gmc hummer ev suv fleet order guide, p.30	confirmed

Interior Trim

Code	Description	Years	Models/Notes	Confidence
EHM	Interior trim, Velocity Ember, premium leather-alternative seating surfaces	2026	SUV guide wording: Seat trim, premium leather-alternative seating surfaces, front bucket seats (A50), Velocity Ember interior. decor level 1SG with the Carbon Fiber Edition Package (WFP) only. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.30	confirmed
H9Z	Interior trim, Lunar Horizon (Jet Black/Light Grey), premium leather-alternative seating surfaces	2025	SUV guide wording: Seat trim, premium leather-alternative seating surfaces, front bucket seats (A50), Lunar Horizon interior (Jet Black and Light Grey). decor levels 1SF, 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.25	confirmed
HAS	Interior trim, Lunar Shadow (Jet Black/Taupe), premium leather-alternative seating surfaces	2025	SUV guide wording: Seat trim, premium leather-alternative seating surfaces, front bucket seats (A50), Lunar Shadow interior (Jet Black and Taupe). decor levels 1SF, 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.25	confirmed
HBZ	Interior trim, Granite Drift, premium leather-alternative seating surfaces	2026	SUV guide wording: Seat trim, premium leather-alternative seating surfaces, front bucket seats (A50), Granite Drift interior. decor levels 3VL, 1SF, 1SG. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.30	confirmed
HR5	Interior trim, Stealth Eclipse, premium leather-alternative seating surfaces	2026	SUV guide wording: Seat trim, premium leather-alternative seating surfaces, front bucket seats (A50), Stealth Eclipse interior. decor levels 3VL, 1SF, 1SG. ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.30	confirmed

Internal / Process

Code	Description	Years	Models/Notes	Confidence
5GD	Tow/haul mode	2025–2026	internal code ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.5 · 2026 gmc hummer ev suv fleet order guide, p.6	confirmed
FE9	Emissions, Federal	2025–2026	internal code 2025: O in 1SF, 1SG; 2026: O in 3VL, 1SF, 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.24 · 2026 gmc hummer ev suv fleet order guide, p.28	confirmed
NB8	Emissions override, California	2025–2026	internal code SUV guide wording: Emissions override, California (lets a dealer in a California-emissions state order Federal emissions for a vehicle registered in a Federal state). the state list in GM's text changed between the 2025 and 2026 guides. 2025: O in 1SF, 1SG; 2026: O in 3VL, 1SF, 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.24 · 2026 gmc hummer ev suv fleet order guide, p.28	confirmed
NB9	Emissions override, state-specific	2025–2026	internal code SUV guide wording: Emissions override, state-specific (lets a California dealer order NE1 emissions). the state list in GM's text changed between the 2025 and 2026 guides. 2025: O in 1SF, 1SG; 2026: O in 3VL, 1SF, 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.24 · 2026 gmc hummer ev suv fleet order guide, p.28	confirmed
NC7	Emissions override, Federal	2025–2026	internal code SUV guide wording: Emissions override, Federal (for Federal-state dealers ordering YF5 or NE1 emissions). the state list in GM's text changed between the 2025 and 2026 guides. 2025: O in 1SF, 1SG; 2026: O in 3VL, 1SF, 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.24 · 2026 gmc hummer ev suv fleet order guide, p.29	confirmed
NE1	Emissions, state requirements (Colorado, Maryland, Massachusetts, New Jersey, New York, Oregon, Rhode Island, Vermont and Washington in 2026)	2025–2026	internal code the 2025 guide's state list is longer (it adds Connecticut, Delaware, Maine, Minnesota, Nevada, Pennsylvania and Virginia). 2025: O in 1SF, 1SG; 2026: O in 3VL, 1SF, 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.24 · 2026 gmc hummer ev suv fleet order guide, p.29	confirmed
NF6	Emission system, zero emission vehicle (ZEV)	2025–2026	internal code ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.6 · 2026 gmc hummer ev suv fleet order guide, p.6	confirmed
VSX	Trailering information label	2025–2026	internal code SUV guide wording: Trailering Information Label, provides maximum trailer ratings for tongue weight and conventional towing. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.5 · 2026 gmc hummer ev suv fleet order guide, p.6	confirmed
YF5	Emissions, California	2025–2026	internal code 2025: O in 1SF, 1SG; 2026: O in 3VL, 1SF, 1SG. ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.24 · 2026 gmc hummer ev suv fleet order guide, p.29	confirmed

Sources

Factory documents (T1)

gmc/2025-gmc-hummer-ev-suv-fleet-order-guide.txt — 2025 GMC HUMMER EV SUV, GM Fleet Order Guide (Print All), published March 20, 2026 (pages 1-24 equipment, p.25 color and trim)
gmc/2026-gmc-hummer-ev-suv-fleet-order-guide.txt — 2026 GMC HUMMER EV SUV, GM Fleet Order Guide (Print All), published June 12, 2026 (p.30 color and trim)

Other sources

NICB VIN manual 2024, docs/reference/nicb/nicb2024-gm.txt p.166 (Hummer EV SUV series 0N, 0P, 0R, 0S; MY2024 column only, the 2023 column is blank)
NICB VIN manual 2025, docs/reference/nicb/nicb2025-gm.txt p.158 (same SUV series for 2025)
NICB VIN manual 2026, docs/reference/nicb/nicb2026-gm.txt p.154 (2026 SUV series EH, EN, EP, ER, ES: 3VL 2X, 2X, 2X Carbon Fiber Package, 3X, 3X Carbon Fiber Package)
https://gmauthority.com/blog/2026/05/heres-when-2027-gmc-hummer-ev-production-is-scheduled-to-start/ (2026-10-07; direct fetch is blocked with HTTP 403 for this host, read with the Firecrawl CLI under the owner's 2026-10-07 allowance, one request; 2027 start of regular production December 14, 2026, tentative; BT1 platform; no block, login wall or CAPTCHA seen)
https://gmauthority.com/blog/2025/05/2026-gmc-hummer-ev-to-offer-three-new-paint-colors/ (2026-10-07; Firecrawl CLI, one request, 12 s after the previous; paint codes GBL, G42, GAI, GAG, GXN, GAZ, GNO, GBA, G7X)
https://gmauthority.com/blog/2025/05/limited-run-2026-gmc-hummer-ev-carbon-fiber-edition-debuts/ (2026-10-07; Firecrawl CLI, one request; Carbon Fiber Edition contents)
https://gmauthority.com/blog/2025/05/heres-a-sneak-peek-of-the-three-new-2026-gmc-hummer-ev-interior-colorways/ (2026-10-07; Firecrawl CLI, one request; Granite Drift and Stealth Eclipse colorways)