GMC · 1994-2004
Sonoma — second generation (1994–2004)
sonoma · sonoma luxury
360 option rows 360 RPO codes 7 model years
100% Factory-verified
- ✓ Factory-verified · 359
- ● Confirmed · 0
- ◑ Single-source · 0
- ⚠ Disputed · 1
Applicable options
Documented RPO codes
Model year
| Code | Option | Years | Notes & factory source | Confidence |
|---|---|---|---|---|
| Engines | ||||
| LF6 | Engine, 4.3 L V6, CPI | 1998–2000 | 2000 list adds gas, 6 cylinder and 90 degree; the 1998–1999 wording matches L35 (1998–1999 lists) | Factory-verified |
| LN2 | Engine, gas, 4 cylinder, 2.2 L, multiport fuel injection | 1998–2000, 2003–2004 | 1998–1999 lists read 2.2 liter L4; Wikipedia gives the second generation Sonoma a 2.2 L four-cylinder | Factory-verified |
| L35 | Engine, 4.3 L V6, CPI | 1998–2002 | 2000 list adds 90 degree and high output (HO); 2001 list reads gas, 6 cylinder. The 2002 list reads as the 2001 list. | Factory-verified |
| L43 | Engine, flexible fuel, 4 cylinder, 2.2 L, multiport fuel injection | 2001–2002 | Wikipedia names a 2.2 L four-cylinder for the Sonoma but does not mention a flexible fuel version | Factory-verified |
| LU3 | Engine, gas, 6 cylinder, 4.3 L V6, multiport fuel injection, 90 degree | 2003–2004 | Wikipedia gives the Sonoma a 4.3 L V6 | Factory-verified |
| Transmissions | ||||
| M30 | Transmission, automatic, 4 speed, Hydra-Matic 4L60-E | 1998–2004 | 2001 list adds electronic. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| M50 | Transmission, manual, 5 speed, 85 mm, NVG 3500, S4WD | 1998–2004 | 2000 list reads NVG, 3.49 first gear, overdrive and 2001 list drops NVG and S4WD; Wikipedia names a 5 speed NV3500 manual (V6) for the Sonoma. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| NP1 | Transfer case, two speed, electric shift | 1998–2004 | 1999 list reads selectable shift, push button control. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| NP4 | Transfer case, active | 1998, 2000–2002 | 2000 list adds active 4WD, all wheel drive (AWD). The 2002 list reads as the 2001 list. | Factory-verified |
| NP8 | Transfer case, active, two speed, push button control | 1999–2004 | 1999 list reads automatic transfer case. The 2002–2004 lists read as the 2000–2001 lists. | Factory-verified |
| Axles | ||||
| GT4 | Axle, rear, 3.73 ratio | 1998–2004 | | Factory-verified |
| GT5 | Axle, rear, 4.10 ratio | 1998–2004 | | Factory-verified |
| GU4 | Axle, rear, 3.08 ratio | 1998–2004 | | Factory-verified |
| GU6 | Axle, rear, 3.42 ratio | 1998–2004 | | Factory-verified |
| G80 | Axle, rear, Positraction, limited slip | 1998–2004 | 1998 and 1999 lists read Positraction only. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| Packages & Trims | ||||
| ANL | Sales package, air deflector and fog lamps | 1998–2004 | | Factory-verified |
| B4U | Performance package, sport | 1998–1999 | Factory-verified | |
| YC3 | Convenience package, decor level 3 | 1998–2004 | | Factory-verified |
| YC5 | Convenience package, decor level 5 | 1998–2004 | | Factory-verified |
| YC6 | Convenience package, decor level 6 | 1998–2002 | | Factory-verified |
| ZM5 | Sales package, underbody shield | 1998–2004 | 1998–1999 lists read package, underbody shield. The 2002–2004 lists read as the 2000–2001 lists. | Factory-verified |
| ZM6 | Chassis package, off-road suspension | 1998–2004 | | Factory-verified |
| ZN4 | Sales package, 1999 model year content | 1998 | Factory-verified | |
| ZQ1 | Chassis package, smooth ride | 1998–2000 | Factory-verified | |
| ZQ3 | Sales package, combination cruise control and tilt steering wheel | 1998–2002 | Later lists read driver convenience II. The 2002 list reads as the 2000–2001 lists. | Factory-verified |
| ZQ6 | Sales package, combination power door lock, window and mirror | 1998–2002 | 2000–2001 lists read driver convenience III. The 2002 list reads as the 2001 list. | Factory-verified |
| ZQ8 | Chassis package, sport | 1998–2004 | | Factory-verified |
| ZR2 | Chassis package, high rider performance, 4x4 sport | 1998–2004 | 1998–1999 lists read FWD sport; code comes from the shared lists (Blazer, S-10, Jimmy and Bravada); no source shows whether the Sonoma offered it. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| Z83 | Chassis package, solid smooth ride | 1998–2002 | | Factory-verified |
| Z85 | Chassis package, increased capacity | 1998–2004 | | Factory-verified |
| B94 | Ornamentation, exterior, body emblem | 2001–2004 | The 1999–2000 lists give B94 the Bravada gold appearance package, which is left out; the 2001 list prints Extgerior. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| ZQ2 | Sales package, driver convenience | 1999–2002 | 1999 and 2001 lists read driver convenience; 2000 list adds I. The 2002 list reads as the 1999, 2001 lists. | Factory-verified |
| K42 | Air cleaner, off road package | 2000–2002 | Factory-verified | |
| YE2 | Convenience package, decor level 2, low trim | 2000–2002 | 2000 list marks it export. The 2002 list reads as the 2001 list. | Factory-verified |
| YE3 | Convenience package, decor level 3, high trim | 2000–2002 | 2000 list marks it export. The 2002 list reads as the 2001 list. | Factory-verified |
| ZA6 | Canadian sales package, price leader | 2000 | Factory-verified | |
| ZA7 | Canadian sales package, value leader | 2000 | Factory-verified | |
| 1SH | Diamond Edition, standard equipment package | 2000 | Factory-verified | |
| 1SJ | Diamond Edition, luxury equipment package | 2000 | Factory-verified | |
| 1SK | Diamond Edition, special equipment package | 2000 | Factory-verified | |
| Z87 | Chassis package, low rider performance | 2001–2002 | Code comes from the shared lists (Blazer, S-10, Jimmy and Bravada); no source shows whether the Sonoma offered it | Factory-verified |
| ZR5 | Appearance package, sport crew | 2003–2004 | Factory-verified | |
| Equipment | ||||
| AA3 | Windows, deep tint quarter window and light tint rear window | 1998–2004 | 2001 list reads deep tint window. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| AG1 | Seat adjuster, power, 6 way, driver | 1998–2004 | 1998–1999 lists do not say driver. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| AJ1 | Windows, deep tint, all except windshield and driver doors | 1998–2004 | | Factory-verified |
| AM6 | Seat, front split, 3 passenger, center armrest | 1998–2004 | | Factory-verified |
| AN3 | Seat, adjustable lumbar support | 1998–2004 | 2000 list reads driver and passenger electric body support; 2001 reads front bucket seat. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| AU0 | Remote keyless entry system | 1998–2004 | | Factory-verified |
| AU3 | Lock, side door, electric | 1998–2004 | | Factory-verified |
| AV5 | Seat, front bucket, high back | 1998–2004 | | Factory-verified |
| A28 | Window, sliding rear, full width | 1998–2004 | 1998 list reads sliding rear. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| A31 | Window, power operated, side doors | 1998–2004 | | Factory-verified |
| A52 | Seat, front bench | 1998–2002 | | Factory-verified |
| A78 | Seat back adjuster, manual, driver and passenger, reclining | 1998 | Factory-verified | |
| BG9 | Floor covering, rubber | 1998–2004 | | Factory-verified |
| B30 | Floor covering, carpet | 1998–2004 | | Factory-verified |
| B32 | Floor mats, front | 1998–2004 | 2000–2001 lists read front auxiliary. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| B84 | Molding, body side, exterior | 1998–2004 | | Factory-verified |
| CF5 | Sunroof, glass, sliding, electric | 1998–2004 | 1998 and 1999 lists read sliding sunroof. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| C3A | GVW rating, 4400 pounds | 1998–2004 | | Factory-verified |
| C3G | GVW rating, 4450 pounds | 1998–2004 | | Factory-verified |
| C42 | Heater, deluxe, outside air | 1998–2004 | HVAC system in the 2000–2001 lists. The 2002–2004 lists read as the 2000–2001 lists. | Factory-verified |
| C5A | GVW rating, 4900 pounds | 1998–2004 | | Factory-verified |
| C5C | GVW rating, 5000 pounds | 1998–2004 | | Factory-verified |
| C5D | GVW rating, 4600 pounds | 1998–2004 | | Factory-verified |
| C5T | GVW rating, 4200 pounds | 1998–2004 | | Factory-verified |
| C5X | GVW rating, 4650 pounds | 1998–2000 | Factory-verified | |
| C6F | GVW rating, 5150 pounds | 1998–2004 | | Factory-verified |
| C6I | GVW rating, 4850 pounds | 1998–2004 | | Factory-verified |
| C60 | Air conditioning, front, manual controls | 1998–2004 | | Factory-verified |
| C68 | Air conditioning, front, automatic electronic controls | 1998–2002 | The 1998–2000 lists read automatic controls; the 2001 list reads manual controls, electronic. The 2002 list reads as the 2001 list. | Disputed |
| DC4 | Mirror, inside rearview, tilt, with dual reading lamps | 1998–1999, 2001–2002 | Factory-verified | |
| DD6 | Mirror, inside rearview, light sensitive, with dual reading lamps | 1998–1999 | Factory-verified | |
| DD8 | Mirror, inside rearview, light sensitive, requires roof console and DK2 | 1998–1999, 2001–2004 | The 2001 list drops the requirement wording. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| DH2 | Mirror, inside, sunshades with dual blades, illuminated, left-hand and right-hand | 1998–1999 | Factory-verified | |
| DH6 | Mirror, inside, sunshade, illuminated, left-hand and right-hand | 1998–2004 | | Factory-verified |
| DK2 | Mirrors, outside, remote control, electric, heated, color | 1998–2004 | 1998 list reads heated, left-hand and right-hand; 1999 adds auxiliary wide angle. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| DK6 | Console, roof, interior | 1998 | Factory-verified | |
| D07 | Console, front compartment floor, custom | 1998–2004 | 1998 list reads floor interior console, 1999 floor interior custom. The 2002–2004 lists read as the 2000–2001 lists. | Factory-verified |
| D34 | Mirror, inside, sunshade | 1998–2004 | | Factory-verified |
| D44 | Mirrors, outside, color | 1998–2004 | 1998 list reads painted outside mirror; 1999 and 2000 add manual control; 1999 adds auxiliary wide angle. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| D48 | Mirror, outside, electric, remote control | 1998 | Factory-verified | |
| D55 | Console, front compartment floor | 1998–2004 | | Factory-verified |
| D88 | Stripe, decal, sport | 1998–2000 | Factory-verified | |
| D96 | Body stripe, side, upper | 1998–2002 | | Factory-verified |
| D98 | Stripe, accent | 1998–1999, 2003–2004 | Factory-verified | |
| E24 | Door, side cargo | 1998–2002 | Code comes from the shared lists (Blazer, S-10, Jimmy and Bravada); no source shows whether the Sonoma offered it. The 2002 list reads as the 2000–2001 lists. | Factory-verified |
| E55 | Body equipment, end gate | 1998–2004 | Code comes from the shared lists (Blazer, S-10, Jimmy and Bravada); no source shows whether the Sonoma offered it | Factory-verified |
| E62 | Body equipment, stepside | 1998–2004 | 2000 list adds PUBX; pickup box code | Factory-verified |
| E63 | Pickup box, fleetside | 1998–2004 | 1998–1999 lists read pickup box, fleetside; 2000 list adds PUBX; 2001–2004 lists read body equipment, fleetside, PUBX | Factory-verified |
| F46 | Chassis, all wheel drive | 1998–2000 | Factory-verified | |
| G67 | Level control, automatic, air | 1998–2002 | 1998–1999 lists read automatic level control. The 2002 list reads as the 2001 list. | Factory-verified |
| JM3 | Brake booster, 260 mm, tandem, high flow | 1998–2004 | 2001 list reads 240 mm. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| KA1 | Heater, seat | 1998–2004 | | Factory-verified |
| K05 | Heater, engine block | 1998–2004 | 1998–1999 lists read engine coolant heater. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| K34 | Cruise control, automatic, electronic | 1998–2004 | | Factory-verified |
| K60 | Generator, 100 amp | 1998–2004 | | Factory-verified |
| NP5 | Steering wheel, leather wrapped | 1998–2004 | | Factory-verified |
| N33 | Steering column, tilt type | 1998–2004 | | Factory-verified |
| N40 | Steering, power, non-variable ratio | 1998–2004 | | Factory-verified |
| N60 | Wheel, aluminum, painted | 1998–2004 | | Factory-verified |
| N90 | Wheel, 15 x 7, aluminum cast, 4.75 inch bolt circle | 1998–2004 | 1998 list omits the bolt circle. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| N96 | Wheel, 16 x 8, cast aluminum | 1998–2004 | 1998–1999 lists read aluminum. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| PF2 | Wheel, 15 x 7, aluminum | 1998–2002 | | Factory-verified |
| PH1 | Wheel, 15 x 7, steel | 1998–2004 | | Factory-verified |
| P06 | Wheel trim discs | 1998–1999 | Factory-verified | |
| QBF | Tires, all, P235/70R15, black wall | 1998–2004 | 2001 list adds all season. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| QBG | Tires, all, P235/70R15, white outline letters | 1998–2004 | 2001 list reads white wall, all season. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| QCA | Tires, all, P205/75R15, white outline letters | 1998–2004 | 2001 list reads white wall, all season. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| QCB | Tires, all, P235/55R16, black wall | 1998–2004 | 2001 list adds AL2. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| QCE | Tires, all, P205/75R15, black wall | 1998–2004 | 1998–2000 lists print BL; 2001 list reads P205/75R15/N, all season. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| QEB | Tires, all, P235/75R15, white outline letters | 1998–2004 | 2001 list reads P235/75R15/N white wall, all season. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| QEG | Tires, all, P205/75R15, black wall | 1998–1999 | Factory-verified | |
| QJJ | Tires, all, 31X10.50R15LT/C, black wall | 1998–2004 | Lists print 31 multiplied by 10.5; 2001 list adds OOR. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| UA1 | Battery, high capacity, wet | 1998–2004 | 1998 list reads heavy duty. The 2002–2004 lists read as the 1999–2001 lists. | Factory-verified |
| UG1 | Garage door opener, universal | 1998–1999 | Factory-verified | |
| UL0 | Radio, AM/FM, seek/scan, auto reverse music search cassette | 1998–2002 | 2000–2001 lists add stereo; 2001 also auto tone and clock. The 2002 list reads as the 2001 list. | Factory-verified |
| UL5 | Radio, delete | 1998–2000, 2003–2004 | | Factory-verified |
| UM6 | Radio, AM/FM stereo, seek/scan, auto reverse cassette, clock, ETR | 1998–2002 | | Factory-verified |
| UM7 | Radio, AM/FM stereo, seek/scan, clock, ETR | 1998–2004 | | Factory-verified |
| UN0 | Radio, AM/FM, seek/scan, compact disc, auto tone, clock | 1998–2004 | | Factory-verified |
| UP0 | Radio, AM/FM stereo, seek/scan, auto reverse music search cassette | 1998–2004 | 2000–2001 lists add compact disc, auto tone and clock. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| UP8 | Radio provisions, stereo | 1998–2002 | 2001 list reads provisions for stereo instrumentation. The 2002 list reads as the 2001 list. | Factory-verified |
| UQ3 | Speaker system, performance enhanced audio | 1998–2002 | | Factory-verified |
| UV8 | Provisions for mobile telephone | 1998 | Factory-verified | |
| UY7 | Wiring harness, heavy duty, trailer, seven wire | 1998–2004 | | Factory-verified |
| U1C | Radio, AM/FM stereo, seek/scan, compact disc, clock, ETR | 1998 | Factory-verified | |
| U1Z | Multiple compact disc player | 1998–2002 | | Factory-verified |
| U16 | Tachometer, engine | 1998–2004 | | Factory-verified |
| U73 | Antenna, fixed, radio | 1998–2004 | The 2000 list is shifted by one line here (it prints U73 as the speedometer, which GM's other lists give U19); the 1998–1999 lists read fixed mast. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| U89 | Wiring harness, light duty, trailer, five wire | 1998–2004 | 2001 list reads car trailer; the 2000 list prints the trailer-harness line as UB1 and has no U89 line. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| VF6 | Bumper, rear step | 1998–2004 | | Factory-verified |
| VF7 | Bumper, rear step, delete | 1998–2002 | | Factory-verified |
| VR4 | Trailer hitch, weight distributing platform | 1998–2004 | | Factory-verified |
| V10 | Provisions, cold climate | 1998–2000, 2003–2004 | | Factory-verified |
| V37 | Bumpers, front and rear, chrome | 1998, 2000–2004 | | Factory-verified |
| YG4 | Optional seats not desired | 1998–2000 | Factory-verified | |
| ZW7 | Chassis package, premium smooth ride | 1998–2004 | | Factory-verified |
| Z82 | Trailering provisions, special equipment, receiver type hitch | 1998–2004 | 2000–2001 lists read heavy duty. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| 11A | Stripe, accent, two tone, Light Royal Blue and Garnet Red | 1998–1999 | The 2000 list gives 11A another meaning (next row) | Factory-verified |
| 11A | Stripe, color accent, Pewter | 2000 | 1998–1999 lists give 11A another meaning (previous row) | Factory-verified |
| 41A | Stripe, accent, Black | 1998–1999 | Factory-verified | |
| 5P2 | Wheel, aluminum, special | 1998–1999, 2001–2002 | Factory-verified | |
| 54A | Stripe, accent, Bright Gold | 1998–2000 | Factory-verified | |
| 55A | Stripe, accent, Light Autumnwood Metallic | 1998–2000 | Lists print Autumwood | Factory-verified |
| 69A | Stripe, color accent, Copper Metallic | 1998–1999 | Factory-verified | |
| 72A | Stripe, color accent, Medium Garnet Red | 1998 | Factory-verified | |
| 87A | Stripe, color accent, Gunmetal Metallic | 1998 | Factory-verified | |
| 90A | Stripe, color accent, Gray Metallic | 1998–2000 | 2000 list reads medium gray; 1998 reads medium gray metallic | Factory-verified |
| 91A | Stripe, color accent, Spectre Gray Metallic | 1998–2000 | Factory-verified | |
| 96A | Stripe, color accent, Silver | 1998–2000 | Factory-verified | |
| AA0 | Seat adjuster, power, memory, 8 way, 2 position | 1999 | Factory-verified | |
| AG2 | Seat adjuster, power, 6 way, passenger | 1999–2004 | | Factory-verified |
| AH8 | Seat adjuster, power, 8 way, passenger | 1999–2004 | | Factory-verified |
| C3T | GVW rating, 5350 pounds | 1999–2004 | | Factory-verified |
| DD0 | Mirrors, outside left-hand and right-hand, remote control, heated, light sensitive, color | 1999–2004 | 1999 adds auxiliary wide angle; 1999 and 2000 read left-hand light sensitive. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| DK7 | Console, roof, interior, custom | 1999–2004 | | Factory-verified |
| DK8 | Console, roof, interior, deluxe | 1999–2004 | | Factory-verified |
| DR4 | Mirrors, outside left-hand and right-hand, remote control, electric, heated, light sensitive, dual power folding, color | 1999–2002 | 1999 adds auxiliary wide angle. The 2002 list reads as the 2001 list. | Factory-verified |
| D81 | Spoiler, aero wing | 1999 | Factory-verified | |
| JC1 | Brake, vacuum power, 4 wheel disc, 5500 pounds | 1999–2004 | | Factory-verified |
| K18 | Reactor system, air injection, electric | 1999–2004 | | Factory-verified |
| PA3 | Wheel, 15 x 7, aluminum, styled | 1999–2004 | | Factory-verified |
| PB4 | Wheel lock control | 1999 | Factory-verified | |
| QLN | Tires, all, P235/70R15, black wall, TL HWY | 1999–2004 | 2001 list reads 235/70R15-103H, all season. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| T37 | Fog lamps, deluxe | 2000–2002 | the 1999 list reads "Foglamps: Deluxe-Envoy and Oldsmobile", so 1999 is not claimed. The 2002 list reads as the 2001 list. | Factory-verified |
| T61 | Daytime running lamps | 1999–2004 | | Factory-verified |
| UK3 | Steering wheel radio controls | 1999–2004 | | Factory-verified |
| U1F | Radio, AM/FM stereo, seek/scan, auto reverse music search cassette, compact disc, HPS, clock | 1999–2002 | 1999 list reads compact disc, clock, ETR with no cassette. The 2002 list reads as the 2001 list. | Factory-verified |
| VP6 | Geographic noise restrictions | 1999, 2001–2002 | Factory-verified | |
| WXS | Provisions, wiring, for communications system | 1999–2000 | 1999 list reads wiring for dealer installation of OnStar | Factory-verified |
| ZAA | Tire, spare, compact | 1999–2004 | | Factory-verified |
| 61A | Stripe, accent, Gold Metallic | 1999–2000 | Factory-verified | |
| 74A | Stripe, color accent, Victory Red | 1999 | Factory-verified | |
| AG0 | Seat adjuster, power, memory, 8 way, 2 position, driver | 2000–2004 | 2000 wording; the 2001 list reads front seat power adjuster. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| AX4 | Restraint conversion seat, manual, European | 2000–2002 | Factory-verified | |
| A26 | Window, European glazing, all | 2000–2002 | Factory-verified | |
| BNB | Ornamentation, exterior, unpainted | 2000–2004 | 2000 list marks it export. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| CE4 | Washer, headlamp, high pressure | 2000–2002 | 2000 list marks it export. The 2002 list reads as the 2001 list. | Factory-verified |
| CR0 | Lamp, interior engine compartment courtesy, delete | 2000 | Factory-verified | |
| C49 | Defogger, rear window, electric | 2000–2004 | | Factory-verified |
| E09 | Equipment, country, Europe | 2000 | Factory-verified | |
| K53 | Fuel sender assembly, robust fuel system | 2000–2004 | | Factory-verified |
| K55 | Fuel sender assembly, low lubricity | 2000 | Factory-verified | |
| NM8 | Leaded fuel system compatible | 2000–2002 | Factory-verified | |
| NP6 | Provisions, transfer case, export | 2000–2004 | | Factory-verified |
| N12 | Exhaust system, rear exit | 2000–2004 | | Factory-verified |
| TR6 | Headlamp control, leveling system, manual | 2000–2002 | Factory-verified | |
| T62 | Daytime running lamps, delete | 2000, 2003–2004 | Factory-verified | |
| T84 | Headlamps, right-hand rule of road, E mark, rectangular | 2000–2002 | Factory-verified | |
| T89 | Lamps, tail and stop, export | 2000–2002 | Factory-verified | |
| T90 | Lamps, signaling and marker, export | 2000–2002 | Factory-verified | |
| UC2 | Speedometer, kilometer and miles, kilometer odometer, positive bias | 2000–2004 | 2001 list omits positive bias. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| UC4 | Speedometer, kilometer and miles, miles odometer, positive bias | 2000–2002 | 2001 list omits positive bias. The 2002 list reads as the 2001 list. | Factory-verified |
| UD4 | Alarm, vehicle speed, 120 km/h | 2000–2004 | | Factory-verified |
| UL2 | European frequencies | 2000–2004 | | Factory-verified |
| UW3 | Radio, AM/FM stereo, seek/scan, auto reverse music search cassette, data system, clock | 2000–2004 | 2000 list omits the data system and clock. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| U19 | Instrument cluster, metric scale | 2000–2002 | The 2000 list is shifted by one line here (it prints U16 and U19 both as tachometer and puts the speedometer on U73); the 2001 list reads metric scale instrument cluster. The 2002 list reads as the 2001 list. | Factory-verified |
| U75 | Antenna, power, radio | 2000–2002 | The 2000 list is shifted by one line here (it prints U75 as the fixed antenna, which GM's other lists give U73). The 2002 list reads as the 2001 list. | Factory-verified |
| VL4 | License plate package, front mounting | 2000–2002 | Factory-verified | |
| WX7 | Provisions, wiring, export | 2000–2002 | Factory-verified | |
| Z5X | Mirror provisions, Arabic language | 2000 | Factory-verified | |
| 8E1 | Fuel, additional three gallons | 2000 | Factory-verified | |
| AU5 | Lock control, remote entry, specific frequency | 2001–2002 | Factory-verified | |
| AU8 | Lock control, remote entry, specific frequency | 2001–2002 | Factory-verified | |
| BZY | Liner, PUBX | 2001–2004 | pickup box code | Factory-verified |
| FF4 | Torsion bar spring adjustment arm (C) | 2001–2004 | Factory-verified | |
| FF5 | Torsion bar spring adjustment arm (D) | 2001–2004 | Factory-verified | |
| FF6 | Torsion bar spring adjustment arm (E) | 2001–2004 | Factory-verified | |
| FF7 | Torsion bar spring adjustment arm (F) | 2001–2004 | Factory-verified | |
| FK2 | Torsion bar spring adjustment arm (A) | 2001–2004 | Factory-verified | |
| FK3 | Torsion bar spring adjustment arm (B) | 2001–2004 | Factory-verified | |
| JNG | Propeller shaft, painted | 2001–2002 | Factory-verified | |
| PW1 | Wheel, 15 x 7, aluminum, diamond finish | 2001–2002 | Factory-verified | |
| P01 | Wheel trim discs, variation 1 | 2001–2002 | Factory-verified | |
| QES | Tires, all, P235/75R15-105S, black wall, all season | 2001–2002 | Factory-verified | |
| QQX | Tires, all, P235/60R16, BW R/PE ST TL AL3 | 2001–2002 | Factory-verified | |
| RSA | Restraint, front seat, automatic, passive | 2001–2002 | Factory-verified | |
| TU6 | Headlamp control, flash to pass | 2001–2002 | Factory-verified | |
| T85 | Headlamps, left-hand rule of road, E mark, rectangular | 2001–2002 | Factory-verified | |
| UE1 | Communication system, vehicle, GPS 1 | 2001–2002 | Factory-verified | |
| VK3 | License plate package, front mounting | 2001–2002 | Factory-verified | |
| VL6 | License plate package, front mounting, Japanese | 2001–2002 | Factory-verified | |
| V21 | Radiator guard, grille, painted | 2001–2002 | Factory-verified | |
| XBF | Tire, front, P235/70R15, black wall | 2001–2004 | Factory-verified | |
| XBG | Tire, front, P235/70R15, white wall | 2001–2004 | Factory-verified | |
| XCA | Tire, front, P205/75R15, white wall | 2001–2004 | Factory-verified | |
| XCB | Tire, front, P235/55R16, black wall | 2001–2004 | Factory-verified | |
| XCE | Tire, front, P205/75R15/N, black wall | 2001–2004 | Factory-verified | |
| XEB | Tire, front, P235/75R15/N, white wall | 2001–2004 | Factory-verified | |
| XES | Tire, front, P235/75R15-105S, black wall | 2001–2002 | Factory-verified | |
| XJJ | Tire, front, 31X10.50R15LT/C, black wall | 2001–2004 | Factory-verified | |
| XLN | Tire, front, 235/70R15-103H, black wall | 2001–2004 | Factory-verified | |
| XQX | Tire, front, P235/60R16-99H BW R/PE ST TL AL3 | 2001–2002 | Factory-verified | |
| YBF | Tire, rear, P235/70R15, black | 2001–2004 | Factory-verified | |
| YBG | Tire, rear, P235/70R15, white | 2001–2004 | Factory-verified | |
| YCA | Tire, rear, P205/75R15, white | 2001–2004 | Factory-verified | |
| YCB | Tire, rear, P235/55R16, black | 2001–2004 | Factory-verified | |
| YCE | Tire, rear, P205/75R15/N, black | 2001–2004 | Factory-verified | |
| YD5 | Spring, front, base equipment | 2001–2002 | Factory-verified | |
| YD6 | Spring, rear, base equipment | 2001–2002 | Factory-verified | |
| YEB | Tire, rear, P235/75R15/N, white wall | 2001–2004 | Factory-verified | |
| YES | Tire, rear, P235/75R15-105S, black wall | 2001–2002 | Factory-verified | |
| YJJ | Tire, rear, 31X10.50R15LT/C, black wall | 2001–2004 | Factory-verified | |
| YLN | Tire, rear, 235/70R15-103H, black wall | 2001–2004 | Factory-verified | |
| YQX | Tire, rear, P235/60R16-99H BW R/PE ST TL AL3 | 2001–2002 | Factory-verified | |
| ZBF | Tire, spare, P235/70R15, black wall | 2001–2004 | Factory-verified | |
| ZBG | Tire, spare, P235/70R15, white wall | 2001–2004 | Factory-verified | |
| ZCA | Tire, spare, P205/75R15, white wall | 2001–2004 | Factory-verified | |
| ZCE | Tire, spare, P205/75R15/N, black wall | 2001–2004 | Factory-verified | |
| ZEB | Tire, spare, P235/75R15/N, white wall | 2001–2004 | Factory-verified | |
| ZES | Tire, spare, P235/75R15-105S, black wall | 2001–2002 | Factory-verified | |
| ZJJ | Tire, spare, 31X10.50R15LT/C, black wall | 2001–2004 | Factory-verified | |
| ZLN | Tire, spare, 235/70R15-103H, black wall | 2001–2004 | Factory-verified | |
| 8A0 | Lock, spare tire, keyed, two piece hoist shaft | 2001–2002 | Factory-verified | |
| 8P2 | Window, tinted deep, all except windshield and doors (SEO) | 2001–2002 | Factory-verified | |
| 8U4 | Heater, engine block (SEO) | 2001–2002 | Factory-verified | |
| 9J6 | Steering column, tilt type (SEO) | 2001–2002 | Factory-verified | |
| RAE | Equipment, cargo management system | 2003–2004 | Factory-verified | |
| UC6 | Radio, AM/FM stereo, seek/scan, RDS, multiple compact disc, auto tone control, clock, ETR | 2003–2004 | Factory-verified | |
| Paint | ||||
| ZY1 | Color combination, solid | 1998–2000, 2003–2004 | | Factory-verified |
| ZY2 | Color combination, two tone, GMC only | 1998–2000 | Factory-verified | |
| ZY3 | Paint, special two tone, GMC only | 1998–1999 | Factory-verified | |
| ZY7 | Color combination, lower accent, two tone | 1998–2000 | Factory-verified | |
| 01L | Secondary exterior color, Special | 1998–2000 | Factory-verified | |
| 01U | Primary exterior color, Special | 1998–2000 | Factory-verified | |
| 11L | Secondary exterior color, Pewter Metallic | 1998–2000 | Factory-verified | |
| 11U | Primary exterior color, Pewter Metallic | 1998–2000 | Factory-verified | |
| 41L | Secondary exterior color, Black | 1998–2000 | Factory-verified | |
| 41U | Primary exterior color, Black | 1998–2000 | Factory-verified | |
| 43L | Secondary exterior color, Emerald Green | 1998 | Factory-verified | |
| 43U | Primary exterior color, Emerald Green | 1998 | Factory-verified | |
| 50U | Primary exterior color, Olympic White | 1998–2000 | Factory-verified | |
| 65L | Secondary exterior color, Smokey Carmel | 1998–1999 | Factory-verified | |
| 65U | Primary exterior color, Smokey Carmel | 1998–2000 | Factory-verified | |
| 69U | Primary exterior color, Copper Metallic | 1998–1999 | Factory-verified | |
| 72U | Primary exterior color, Standard Red | 1998 | Factory-verified | |
| 87U | Primary exterior color, Fairway Green | 1998 | Factory-verified | |
| 90L | Secondary exterior color, Gray Metallic | 1998–2000 | Factory-verified | |
| 94U | Primary exterior color, Cherry Red Metallic | 1998–2000 | Factory-verified | |
| 39L | Secondary exterior color, Indigo Metallic | 1999–2000 | Factory-verified | |
| 39U | Primary exterior color, Indigo Metallic | 1999–2000 | Factory-verified | |
| 60L | Secondary exterior color, Gold Metallic | 1999–2000 | Factory-verified | |
| 60U | Primary exterior color, Gold Metallic | 1999–2000 | Factory-verified | |
| 68U | Primary exterior color, Meadow Green Metallic | 1999 | Factory-verified | |
| 68U | Primary exterior color, Copper Metallic | 2000 | GM reused 68U in 2000 for copper | Factory-verified |
| 74U | Primary exterior color, Victory Red | 1999–2000 | Factory-verified | |
| 23U | Primary exterior color, Space Blue Metallic | 2000 | Factory-verified | |
| 37U | Primary exterior color, Green Tintcoat Metallic | 2000 | Factory-verified | |
| 44U | Primary exterior color, Medium Red Metallic | 2000 | Factory-verified | |
| Interior Trim | ||||
| 12D | Trim combination, cloth, Graphite (D) | 1998–2000 | Factory-verified | |
| 12H | Trim combination, cloth, Graphite (H) | 1998–2000 | Factory-verified | |
| 12I | Interior trim, Graphite | 1998–2000 | Factory-verified | |
| 122 | Trim combination, leather, Graphite | 1998–2000 | Factory-verified | |
| 64D | Trim combination, cloth, beige | 1998–2000 | Light beige in 1998 and 2000, medium beige in 1999 | Factory-verified |
| 64H | Trim combination, cloth, beige | 1998–2000 | 1998 list reads beige, 1999 medium beige, 2000 light beige | Factory-verified |
| 64I | Interior trim, light beige | 1998, 2000 | Factory-verified | |
| 642 | Trim combination, leather, Smokey Carmel Tin | 2000 | The 2000 list prints Tin; the 1998–1999 lists give beige (previous row) | Factory-verified |
| 642 | Trim combination, leather, beige | 1998–1999 | Light beige in 1998, medium beige in 1999; the 2000 list gives 642 another color (next row) | Factory-verified |
| 92D | Trim combination, cloth, Medium Dark Pewter (D) | 1998–2000 | Factory-verified | |
| 92H | Trim combination, cloth, Medium Dark Pewter (H) | 1998–2000 | Factory-verified | |
| 92I | Interior trim, Medium Dark Pewter | 1998–2000 | Factory-verified | |
| 92W | Trim combination, vinyl, Medium Dark Pewter | 1998–2000 | Factory-verified | |
| 922 | Trim combination, leather, Medium Dark Pewter | 1998–2000 | Factory-verified | |
| 61I | Interior trim, medium beige | 1999 | Factory-verified | |
| Internal / Process | ||||
| DAY internal | Plant code, Moraine, OH, GM T&B | 1998–1999 | Factory-verified | |
| FE9 internal | Certification, emission, federal | 1998–2000 | Factory-verified | |
| LIN internal | Plant code, Linden, NJ | 1998–1999, 2003–2004 | Factory-verified | |
| NB6 internal | Emission system, California, Tier 1 | 1998 | Factory-verified | |
| NB7 internal | Emission system, California, TLEV | 1998–2000 | Factory-verified | |
| SLA internal | Plant code, Shreveport, LA, GM T&B | 1998–1999, 2003–2004 | Factory-verified | |
| VGC internal | Protector film, paint etch preventive, geographically controlled | 1998–2004 | 1998 list reads geographically controlled only. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| VG8 internal | Vehicle label, notice to buyer | 1998–1999, 2003–2004 | Factory-verified | |
| V73 internal | Vehicle statement, US and Canada | 1998–1999, 2003–2004 | Factory-verified | |
| Z49 internal | Base equipment, Canadian mandatory | 1998–2000, 2003–2004 | The 2003–2004 lists read export Canadian modified, mandatory base equipment. | Factory-verified |
| Z88 internal | Conversion nameplate, GMC Truck | 1998–2004 | 2001 list reads GMC. The 2002–2004 lists read as the 2001 list. | Factory-verified |
| NB8 internal | Emission override, California system | 1999–2002 | Factory-verified | |
| NC1 internal | Emission system, California, LEV | 1999–2004 | | Factory-verified |
| NC7 internal | Emission override, federal system | 1999–2002 | Factory-verified | |
| NC9 internal | Emission system, California, ZEV | 1999 | Factory-verified | |
| NF2 internal | Emission system, federal, Tier 1 | 1999–2000 | Factory-verified | |
| NG1 internal | Certification, emission, geographically restricted registration | 1999–2000 | Factory-verified | |
| BAG internal | Parts package, export | 2000–2004 | | Factory-verified |
| CKD internal | Vehicle, completely knocked down | 2000–2004 | | Factory-verified |
| EXP internal | Export, I.E.S. | 2000 | Factory-verified | |
| NA7 internal | Emission system, European | 2000 | Factory-verified | |
| NN8 internal | Emission override, unleaded fuel, export | 2000–2002 | Factory-verified | |
| T98 internal | Stamping, vehicle identification number | 2000 | Factory-verified | |
| VR6 internal | Hook, tie down | 2000–2004 | | Factory-verified |
| VXS internal | Vehicle complete | 2000, 2003–2004 | Factory-verified | |
| EVA internal | Test DVT, evaporator emission requirement | 2001–2004 | Factory-verified | |
| NF4 internal | Emission system, clean fuel fleet | 2001–2004 | Factory-verified | |
| NF7 internal | Emission system, federal, NLEV | 2001–2004 | Factory-verified | |
| NT3 internal | Emission system, EEC 00 | 2001–2002 | Factory-verified | |
| T1J internal | Equipment, export material regulatory | 2001–2002 | Factory-verified | |
| YB5 internal | Buildout, C.O. | 2001–2002 | Factory-verified | |
| YD3 internal | Axle, base equipment, for scheduling GVW plate | 2001–2002 | Factory-verified | |
| YF5 internal | Certification, emission, California | 2001–2002 | Factory-verified | |
| ZL1 internal | Noise control, less than 8000 pound GVW | 2001–2002 | Factory-verified | |
| ZX8 internal | GVW override | 2001–2002 | Factory-verified | |
| CTF internal | Interim control | 2002 | 2002 list only; other GM lists give CTF other meanings (extra capacity fuel tank in the 2003 Envoy list) | Factory-verified |
| NF9 internal | Emission system, general unleaded | 2003–2004 | Factory-verified | |
| NT9 internal | Emission system, federal, Tier 2 phase-out | 2003–2004 | Factory-verified | |
| NU4 internal | Emission system, California, LEV2 plus | 2003–2004 | Factory-verified | |
| VC5 internal | Label, shipping, except US, US possessions, or Japan | 2003–2004 | Factory-verified | |
| VC7 internal | Label, price/fuel economy, Guam | 2003–2004 | Factory-verified | |
| VKB internal | Handling charge, Shreveport assembly to Tecstar, Inc., Shreveport, with final shipment through Shreveport | 2003–2004 | handling charge. | Factory-verified |
| VKC internal | Handling charge, Shreveport assembly to Centurion Vehicles, White Pigeon, MI, return to Fort Wayne for reshipment | 2003–2004 | handling charge; the list prints Pigeon as PIgeon. | Factory-verified |
| VKE internal | Handling charge, Linden assembly to Centurion Vehicles, White Pigeon, MI, return to Fort Wayne for reshipment | 2003–2004 | handling charge; the list prints Pigeon as PIgeon. | Factory-verified |
| VPH internal | Vehicle preparation, overseas delivery | 2003–2004 | Factory-verified | |
| V78 internal | Vehicle statement, delete | 2003–2004 | Factory-verified | |
| V87 internal | Vehicle statement, Gulf States Organization | 2003–2004 | Factory-verified | |
| V98 internal | Factory delivery processing | 2003–2004 | Factory-verified | |
| W84 internal | Equipment, miscellaneous, for Egypt (Egypt controlled) | 2003–2004 | Factory-verified | |
| W86 internal | Equipment, miscellaneous, for Venezuela (GMV controlled) | 2003–2004 | Factory-verified | |
| W87 internal | Parts, North American, sourced in Venezuela (GMV controlled) | 2003–2004 | Factory-verified | |
| W99 internal | Equipment, miscellaneous, for Venezuela (GM platform controlled) | 2003–2004 | Factory-verified | |
| X44 internal | Parts, North American, sourced and shipped to outside supplier and checked (GMCL controlled) | 2003–2004 | Factory-verified | |
| X52 internal | Miscellaneous equipment for Guam, Puerto Rico and US Virgin Islands | 2003–2004 | Factory-verified | |
| 1Q6 internal | Vehicle inspection, pre-delivery form | 2003–2004 | Factory-verified | |
Source document: gmc/sonoma-gen2.md. Rows marked — record an option the factory offered whose RPO code is not documented in the consulted sources.