Cadillac · 2003-2007

CTS — Sigma / GMX320 (2003–2007)

cts · cts-v · cts high feature v6

234 option rows 234 RPO codes 5 model years

100% Factory-verified

✓ Factory-verified · 234
● Confirmed · 0
◑ Single-source · 0
⚠ Disputed · 0

Applicable options

Documented RPO codes

Have a VIN? Decode it at DecodeThis

Model year

Show internal codes (41)

CTS — Sigma / GMX320 (2003–2007) RPO codes
Code	Option	Years	Notes & factory source	Confidence
Engines
LA3	Engine, gas, 6 cylinder, 3.2L, multiport fuel injection, DOHC, Opel	2003–2004	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2004 cadillac cts rpo code list, p.1.	Factory-verified
LCT	Engine, gas, 8 cylinder, 5.7L, sequential fuel injection, aluminum, ER, GM	2004	The 2004 list prints "9 CYL"; no 5.7L has nine cylinders, so it is read as 8 cylinder. Appears on one list only. GM factory document — 2004 cadillac cts rpo code list, p.1.	Factory-verified
LP1	Engine, gas, 6 cylinder, 2.8L, sequential fuel injection, V6, DOHC, aluminum, 60 degrees, GM	2005–2007	The 2005 list adds high output to the wording. GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
LS2	Engine, gas, 8 cylinder, 6.0L, sequential fuel injection, aluminum, high output, GM	2006–2007	only in: CTS-V (Wikipedia). The 2006 list prints LS2 as a 2.8L V6 DOHC engine; the 2007 list and GM's other lists read it as the 6.0L V8, which is used here. GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
LS6	Engine, gas, 8 cylinder, 5.7L, sequential fuel injection, aluminum, high output, GM	2005	only in: CTS-V (Wikipedia). GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
LY7	Engine, gas, 6 cylinder, 3.6L, sequential fuel injection, V6, aluminum, 60 degrees, GM	2004–2007	GM factory document — 2004 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
LY9	Engine, gas, 6 cylinder, 2.6L, multiport fuel injection, V6, DOHC, Opel	2003–2004	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2004 cadillac cts rpo code list, p.1.	Factory-verified
Transmissions
M12	Transmission, manual 6 speed, Tremec, 85 mm, 2.97 1st, 0.57 6th, O/D	2004–2007	only in: CTS-V (Wikipedia). The 2007 list adds a 0.84 5th gear ratio. GM factory document — 2004 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
M22	Transmission, automatic 5 speed, HMD, 5L50-E, electronic, O/D	2005	2005 list only; also on the 2005 STS list. Pairs with the dropped LH2. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
M35	Transmission, manual 5 speed, Getrag, 76 mm, 3.83 1st, 0.81 5th	2003–2004	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2004 cadillac cts rpo code list, p.1.	Factory-verified
M82	Transmission, automatic 5 speed, HMD, 5L40-E, electronic	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
MM5	Merchandised transmission, manual 5 speed, provisions	2003–2004	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2004 cadillac cts rpo code list, p.1.	Factory-verified
MN6	Merchandised transmission, manual 6 speed, provisions	2004, 2006–2007	GM factory document — 2004 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
MV1	Transmission, manual 6 speed, Aisin, 85 mm, 4.17 1st, 0.79 6th, O/D	2005–2007	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
MV3	Transmission, automatic 5 speed, HMD, 5L50-E PTU, electronic, O/D	2005	2005 list only; also on the 2005 STS list. Pairs with the dropped LH2. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
MX0	Merchandised transmission, automatic, provisions, O/D	2003–2004, 2006–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
Axles
G80	Axle, Positraction limited slip	2005–2007	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
GT4	Axle, rear, 3.73 ratio	2003–2007	The 2003-2006 lists print "Ration, DUP with 5 x 1"; the 2007 list prints "Ratio". GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
GU2	Axle, rear, 2.73 ratio	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
GU5	Axle, rear, 3.23 ratio	2005–2007	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
GU6	Axle, rear, 3.42 ratio	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
GW1	Axle, rear, 3.91 ratio	2003–2004	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2004 cadillac cts rpo code list, p.1.	Factory-verified
Packages & Trims
1SA	Option package 01	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
1SB	Option package 02	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
1SC	Option package 03	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
1SJ	Option package 09	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
1SK	Option package 10	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
1SL	Option package 11	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
1SS	Option package 17	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
1ST	Option package 18	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
R1Y	Merchandised package, CTS Sport	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
TY6	Equipment package, bad road	2006–2007	GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
Y40	Sales package, Cadillac, luxury level 001	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
Y41	Sales package, Cadillac, luxury level 002	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
Y42	Sales package, Cadillac, performance 001	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
Y43	Sales package, Cadillac, performance 002	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
Y47	Sales package, Cadillac, international luxury 001	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
Y48	Sales package, Cadillac, international luxury 002	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
Y49	Sales package, Cadillac, international performance 001	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
Y50	Sales package, Cadillac, international performance 002	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
Equipment
A26	Window, European glazing, all	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
A45	Memory, seat adjuster and mirror, power, driver and personalization	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
A82	Restraint, head	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
AH8	Adjuster, passenger seat, power, 8 way	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
AL0	Sensor indicator, inflatable restraint, front passenger/child presence detector	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
AL2	Control, seat, power lumbar	2004–2007	GM factory document — 2004 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
AM9	Seat, rear, split back, folding	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
AQ9	Seat, front, bucket, luxury	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
AT8	Restraint provisions, child, rear seat, rear facing	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
AU5	Lock control, entry, remote entry, low power	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
AU8	Lock control, entry, remote entry, specific frequency	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
AX4	Restraint conversion, seat, manual, European	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
AY0	Restraint system, seat, inflatable, driver and passenger, front, side, roof side	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
B18	Ornamentation, interior, deluxe	2006–2007	GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
B19	Ornamentation, interior, customs	2003–2005	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
B20	Ornamentation, interior, luxury	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
B37	Covering, floor mat, front and rear, auxiliary	2006–2007	GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
B56	Molding, rocker, body color	2006–2007	GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
B57	Ornamentation, exterior, deluxe	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
CE1	Wiper system, windshield, pulse, moisture sensitive	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
CE4	Washer, headlamp, high pressure	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
CF5	Roof, sun, glass, sliding, electric	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
CFN	Roof, sun, glass, sliding, electric, not installed	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
CJ2	HVAC system, air conditioner, front, automatic temperature control, auxiliary temperature control	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
D26	Mirror, outside left-hand and right-hand, remote control, electric, heated, power folding	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
DD7	Mirror, inside rearview, light sensitive, compass	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
DD8	Mirror, inside rearview, light sensitive	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
DL7	Mirror, outside left-hand and right-hand, remote control, electric, heated, power folding, color	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
DR2	Mirror, outside left-hand and right-hand, remote control, electric, heated, light sensitive, manual folding, color	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
DR5	Mirror, outside left-hand and right-hand, remote control, electric, heated, manual folding, color	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
DT4	Ashtray, cigarette lighter	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
E5A	Chassis, retuned	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
F55	Chassis, continuously variable real time damping, magneto rheological	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
FCN	Frequencies, China	2006–2007	GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
FE1	Suspension system, soft ride	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
FE2	Suspension system, ride, handling	2005–2007	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
FE3	Suspension system, soft ride	2003–2005	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
FE4	Suspension system, special ride and handling	2004–2007	GM factory document — 2004 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
FE5	Suspension system, ride, handling, performance	2006–2007	GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
FG2	Shock absorbers, front and rear, firm ride	2006–2007	GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
GME	Ornamentation, exterior, GM Mark of Excellence	2006	GM factory document — 2006 cadillac cts rpo code list, p.1.	Factory-verified
J56	Brake system, power, front and rear disc, antilock, front and rear wheel, heavy duty	2004–2007	GM's lists for other platforms give J56 other brake wordings; the CTS lists agree on this one. GM factory document — 2004 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
JE2	Brake lining, performance driving	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
JE5	Brake system, power, antilock, front and rear wheel	2005–2007	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
JL4	Control, active brake	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
JL9	Brake system, power, front and rear disc, antilock, front and rear wheel	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
JNG	Shaft, propeller, painted	2005–2007	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
K02	Fan, radiator booster	2004	GM factory document — 2004 cadillac cts rpo code list, p.1.	Factory-verified
K05	Heater, engine block	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
K14	Filter, air, automatic recirculating	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
K29	Module, powertrain control	2003	GM factory document — 2003 cadillac cts rpo code list, p.1.	Factory-verified
K59	Cruise control, automatic, adaptive	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
KA1	Heater, seat, front	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
KA3	Heater, engine block, 220V	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
KA6	Heater, seat, rear	2005–2006	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2006 cadillac cts rpo code list, p.1.	Factory-verified
KB6	Heater, seat, cooling, front	2005–2006	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2006 cadillac cts rpo code list, p.1.	Factory-verified
KG4	Generator, 150 amp	2004–2007	GM factory document — 2004 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
KG9	Generator, 140 amp	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
MTF	Provision, fire extinguisher mounting	2004–2007	GM factory document — 2004 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
N05	Lock control, fuel filler cap	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
N30	Steering wheel, deluxe	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
N31	Steering wheel, heated	2005–2006	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2006 cadillac cts rpo code list, p.1.	Factory-verified
N34	Steering wheel, leather, 3 spokes	2004–2007	GM factory document — 2004 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
N81	Tire, spare, full size	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
N87	Wheel, 18 x 8, aluminum	2005–2007	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
N88	Wheel, 17 x 7.5, aluminum, premium	2005–2006	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2006 cadillac cts rpo code list, p.1.	Factory-verified
N93	Wheel, 17 x 7.5, aluminum	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
NDA	Navigation disc data, not installed	2006–2007	GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
NDB	Exhaust, dual, round, chrome, visible	2006–2007	GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
NP5	Steering wheel, leather wrapped	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
NR7	Steering wheel, leather wrapped, heated	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
NV7	Steering, power, variable effort	2005–2006	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2006 cadillac cts rpo code list, p.1.	Factory-verified
P32	Wheel, 18 x 8.5, aluminum, painted	2004–2007	GM factory document — 2004 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
P40	Wheel, 18 x 8, aluminum, sport	2006–2007	GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
PB4	Lock control, wheel	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
PF4	Wheel, 16 x 7, aluminum	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
PX0	Wheel, 16 x 7, aluminum, styled	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
Q11	Tire, all, P235/50R17 front and P255/45R17 rear	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
Q12	Tire, all, P235/50R18 front and P255/45R18 rear	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
Q13	Wheel, 17 x 7.5 front and 17 x 8 rear, polished	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
Q14	Wheel, 17 x 7.5 front and 17 x 8 rear, painted	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
QF7	Wheel, 17 x 7.5, aluminum, deluxe	2004–2007	GM factory document — 2004 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
QGQ	Tire, all, P225/50R18-94W BW TL HW4	2006–2007	The 2006 list prints a space in "R 18". GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
QJL	Tire, all, P245/45R18-96V BW R/ST TL RF3	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
QKP	Tire, all, P235/50R17-95S BW R/PE ST TL ALS	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
QKR	Tire, all, P245/45R18-96W BW R/PE ST TL AL3	2004–2007	The 2004-2006 lists print "R1896W" without the hyphen; the 2007 list prints the hyphen. GM factory document — 2004 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
QOH	Tire, all, 225/55R16-95W BW R/PRST TL HWY	2003–2007	The 2007 list prints R/ST in place of R/PRST. GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
QSM	Tire, all, P225/55R16-94V BW R/PE ST TL AL3	2003–2004	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2004 cadillac cts rpo code list, p.1.	Factory-verified
QWJ	Tire, all, P225/55R16-94H BW R/PE ST TL AL3	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
QWN	Tire, all, 225/50R17-93V BW R/PE ST TL AL3	2003	GM factory document — 2003 cadillac cts rpo code list, p.1.	Factory-verified
QWW	Tire, all, P225/50R17-93W BW R/PE ST TL AL3	2004–2007	The 2004-2006 lists print "225/50R17-93 R/PE ST TL AL3" without BW or the W. GM factory document — 2004 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
T2H	Ornamentation, exterior, export unique requirements	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
T43	Spoiler, rear	2005–2007	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
T62	Lighting, daytime running	2005–2006	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2006 cadillac cts rpo code list, p.1.	Factory-verified
T62	Lamp system, daytime running, delete	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
T65	Lamp system, daytime running, export	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
T79	Lamp, fog, rear	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
T84	Headlamps, right-hand rule of the road, E mark	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
T90	Lamp, signaling and marker, export	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
TL4	Grille, painted	2006–2007	GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
TQ5	Control, intelligent high beam	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
TR7	Headlamps, control, leveling system, automatic	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
TT6	Headlamps, high intensity discharge	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
TT7	Headlamps, high intensity discharge, left-hand rule of road	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
TT8	Headlamps, high intensity discharge, right-hand rule of road	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
U19	Speedometer, instrument, kilometers and miles, kilometer odometer	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
U2J	Digital audio system, S-band, not installed	2006–2007	GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
U2K	Digital audio system, S-band	2004–2007	GM factory document — 2004 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
U2L	Digital audio system, L-band	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
U2R	AVEC system, AM/FM radio, cassette, CD, RDS	2003–2007	The 2007 list calls it Infotainment System 001. GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
U2S	AVEC system, AM/FM radio, cassette, ICDX, RDS	2003–2007	The 2007 list calls it Infotainment System 002. GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
U2V	AVEC system, AM/FM radio, cassette, CD, RDS	2003	GM factory document — 2003 cadillac cts rpo code list, p.1.	Factory-verified
U2X	AVEC system, AM/FM radio, MCD, DVD, navigation, TV	2003–2007	The 2006 list prints both this wording and Infotainment System 007; the 2007 list prints only the latter. GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1. GM factory document — 2006 cadillac cts rpo code list, p.1.	Factory-verified
U2Y	AVEC system, AM/FM radio, ICDX, navigation, CDROM, TV	2003–2007	The 2007 list calls it Infotainment System 008. GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
U30	Cluster, instrument, tachometer, clock	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
U57	Speaker system 8, dual F/D pillar, dual front door mounted, dual rear door mounted, subwoofer package shelf, I/P center, amplifier, Bose	2003–2007	The 2003-2006 lists print "RR DR MD" for the rear door mounting. GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
U66	Speaker system 7, custom	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
UA2	Theft deterrent system, export specific	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
UA6	Theft deterrent system	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
UAV	Infotainment system 005.1	2004–2007	GM factory document — 2004 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
UC2	Speedometer, instrument, kilometers and miles, kilometer odometer, positive bias	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
UD4	Alarm, vehicle speed, 120 km/h	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
UD7	Sensor indicator, rear parking assist	2005–2006	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2006 cadillac cts rpo code list, p.1.	Factory-verified
UE1	Communication system, vehicle, GPS 1	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
UG1	Garage door opener, universal	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
UH3	Indicator, low tire pressure, variation 2	2005–2006	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2006 cadillac cts rpo code list, p.1.	Factory-verified
UJ6	Indicator, low tire pressure	2005–2007	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
UJ9	Indicator, low tire pressure, variation 1	2005–2007	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
UK1	Frequencies, Japanese	2005–2007	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
UQ7	Speaker system, premium performance, enhanced audio, Bose	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
UV6	Display, head up	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
UX8	Speaker system 8, deluxe	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
UY5	Speaker system 15, deluxe	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
V03	Cooling system, extra capacity	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
V08	Cooling system, heavy duty	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
V76	Hook, tow	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
V92	Trailer provisions	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
VGE	Fascia, rear, custom, body color	2006–2007	GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
VJ1	License plate, rear mounting package, Japanese	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
VL4	License plate, front mounting package, EEC	2005, 2007	The 2007 list prints "Front, Front Mounting Package". The code has another meaning in 2005: the 2005 list also prints it as the export child seat location label (separate row). GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
VL6	License plate, front mounting package, Japanese	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
VLF	License plate, front mounting package, China	2006–2007	GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
VMA	License plate, front mounting package, Korea	2005	2005 list only; also on the 2005 STS list. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
VP6	Noise control	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
VPM	Modification, noise control, Mexico	2006–2007	GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
VR5	Provisions, slow vehicle warning triangle mounting	2005–2007	The 2005 list prints "Provosions". GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
VU9	Flashlight, mounting provisions	2003–2004	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2004 cadillac cts rpo code list, p.1.	Factory-verified
W11	Navigation disc data, nav data 1	2006–2007	GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
W12	Navigation disc data, nav data 2	2006–2007	GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
WD6	Window, rear, antenna specific	2003–2004, 2006–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
XA7	Washer nozzles, heated, windshield	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
Z5X	Mirror provisions, Arabic language	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
Z5Y	Mirror provisions, outside, etched warning	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
Internal / Process
AXM internal	VIN identification, export special, modified composition	2006–2007	GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
B3V internal	Test, extended water	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
BAG internal	Parts package, export	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
DL5 internal	Decal, roadside service information	2004–2007	GM factory document — 2004 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
EXP internal	Export	2006–2007	GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
FE9 internal	Certification, emission, federal	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
JJA internal	PT dress subassembly installed (modular optimization method only)	2005–2007	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
KJ1 internal	Language label, Chinese/English	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
LAL internal	Plant code, Lansing, MI, USA, Grand River	2003–2005	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
NA3 internal	Emission system, Japan	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
NC1 internal	Emission system, California, LEV	2003–2006	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2006 cadillac cts rpo code list, p.1.	Factory-verified
NF7 internal	Emission system, federal, NLEV	2003	GM factory document — 2003 cadillac cts rpo code list, p.1.	Factory-verified
NF9 internal	Emission system, general, unleaded	2004–2006	GM factory document — 2004 cadillac cts rpo code list, p.1. GM factory document — 2006 cadillac cts rpo code list, p.1.	Factory-verified
NF9 internal	Emission system, general, OBD MIL suppression	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
NT3 internal	Emission system, EEC 00	2003–2005	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2005 cadillac cts rpo code list, p.1.	Factory-verified
NT4 internal	Emission system, EEC 05	2005–2007	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
NT7 internal	Emission system, federal, Tier 2	2004–2007	GM factory document — 2004 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
NT9 internal	Emission system, federal, Tier 2 phase-out	2004–2006	GM factory document — 2004 cadillac cts rpo code list, p.1. GM factory document — 2006 cadillac cts rpo code list, p.1.	Factory-verified
NU1 internal	Emission system, California, LEV2	2004–2007	GM factory document — 2004 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
NU4 internal	Emission system, California, LEV2 plus	2004–2006	GM factory document — 2004 cadillac cts rpo code list, p.1. GM factory document — 2006 cadillac cts rpo code list, p.1.	Factory-verified
V4W internal	Model conversion, GMX320, CTS HFV6	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
V73 internal	Vehicle statement, USA/Canada	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
V78 internal	Vehicle statement, delete	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
V87 internal	Vehicle statement, Gulf States Organization	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
VA7 internal	Language label, French	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
VB1 internal	Label, shipping, Japan	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
VBX internal	Language label, Arabic	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
VC4 internal	Label, price/fuel economy, Puerto Rico and Virgin Islands	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
VC5 internal	Label, shipping, except US, US possessions, or Japan	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
VC7 internal	Label, price/fuel economy, Guam	2003–2004	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2004 cadillac cts rpo code list, p.1.	Factory-verified
VG1 internal	Protector, underhood compound, corrosion preventive, water based, clear	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
VG8 internal	Vehicle label, notice to buyer	2003–2006	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2006 cadillac cts rpo code list, p.1.	Factory-verified
VG9 internal	Protector, wax, exterior body	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
VH5 internal	Plate, vehicle identification	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
VJ2 internal	Label, export headlamp adjust	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
VJ4 internal	Label, export child seat location	2005–2006	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2006 cadillac cts rpo code list, p.1.	Factory-verified
VL2 internal	Label, spare caution, compact spare	2005–2007	GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
VL4 internal	Label, export child seat location	2003–2006	The code has another meaning in 2005: the 2005 list also prints it as a front license plate mounting package (separate row). GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2005 cadillac cts rpo code list, p.1. GM factory document — 2006 cadillac cts rpo code list, p.1.	Factory-verified
VZ3 internal	Label, mercury disposal notification	2006–2007	GM factory document — 2006 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
YF5 internal	Certification, emission, California	2007	GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified
Z49 internal	Export Canadian modification, mandatory base equipment	2003–2007	GM factory document — 2003 cadillac cts rpo code list, p.1. GM factory document — 2007 cadillac cts rpo code list, p.1.	Factory-verified

Source document: cadillac/cts-sigma.md. Rows marked — record an option the factory offered whose RPO code is not documented in the consulted sources.