← All owner tools · Decode your own SPID label with the GM RPO decoder
| Code | Meaning | Years | Sourcing |
|---|---|---|---|
| 001 | P RAT, M RATIO, 3.70 | 1991 | GM sourced |
| 001 | Rat, M Ratio, 3.70 | 1991 | GM dated |
| 002 | P RAT, M RATIO, 4.11 (4 1/9) | 1991 | GM sourced |
| 002 | Rat, M Ratio, 4.11 (4 1/9) | 1991 | GM dated |
| 003 | Rat, M Ratio, 4.33 | 1991 | GM dated |
| 003 | P RAT, M RATIO, 4.33 | 1991 | GM sourced |
| 004 | Rat, M Ratio, 4.78 | 1994 | GM dated |
| 004 | P RAT, M RATIO, 4.78 | 1994 | GM sourced |
| 005 | Rat, M Ratio, 4.56 (4 5/9) | 1991 | GM dated |
| 005 | P RAT, M RATIO, 4.56 (4 5/9) | 1991 | GM sourced |
| 006 | Rat, M Ratio, 4.63 (4 5/8) | 1996 | GM dated |
| 006 | P RAT, M RATIO, 4.63 (4 5/8) | 1996 | GM sourced |
| 007 | Rat, M Ratio, 3.07 | 1997 | GM dated |
| 007 | P RAT, M RATIO, 3.07 | 1997 | GM sourced |
| 008 | Rat, M Ratio, 4.88 | 1996 | GM dated |
| 008 | P RAT, M RATIO, 4.88 | 1996 | GM sourced |
| 009 | Rat, M Ratio, 5.29 | 1991 | GM dated |
| 009 | P RAT, M RATIO, 5.29 | 1991 | GM sourced |
| 00A | Spare wheel upgrade Chevrolet Silverado 1500 | 2022–2023 | GM sourced |
| 00A | Wheel Spare 17 X 8.0, J, Steel, Design 2 | — | Reference |
| 00D | Not Equipped with Climate Control Knob Digital Temperature Display Chevrolet Silverado 1500 | 2022 | Provisional |
| 00G | Not Equipped with Heated Steering Wheel, see dealer for details Chevrolet Silverado 1500 | 2022–2023 | Provisional |
| 00L | Ccl, R Secondary Color, Exterior, Prime | 1989 | GM dated |
| 00L | P CCL, R SECONDARY COLOR, EXTERIOR, PRIME | 1989 | GM sourced |
| 00L | Exterior Color,secondary,prime,union City Body | — | GM dated |
| 00R | Not Equipped with Heated Rear Outboard Seats, see dealer for details Chevrolet Silverado 1500 | 2022–2023 | Provisional |
| 00U | Ccu, M Primary Color, Exterior, Prime | 1989 | GM dated |
| 00U | P CCU, M PRIMARY COLOR, EXTERIOR, PRIME | 1989 | GM sourced |
| 00U | Exterior Color,primary,prime,upper,union City Body | — | GM dated |
| 00V | Not Equipped with Heated or Ventilated Front Seats, see dealer for details Chevrolet Silverado 1500 | 2022–2023 | Provisional |
| 00Y | Not Equipped with Rear Park Assist, see dealer for details Chevrolet Silverado 1500 | 2022–2023 | Provisional |
| 00Z | Not Equipped with Front and Rear Park Assist, see dealer for details Chevrolet Silverado 1500 | 2022–2023 | Provisional |
| 010 | Rat, M Ratio, 5.43 | 1991 | GM dated |
| 010 | P RAT, M RATIO, 5.43 | 1991 | GM sourced |
| 011 | Rat, M Ratio, 5.57 (5 4/7) | 1991 | GM dated |
| 011 | P RAT, M RATIO, 5.57 (5 4/7) | 1991 | GM sourced |
| 012 | Rat, M Ratio, 5.83 | 1991 | GM dated |
| 012 | P RAT, M RATIO, 5.83 | 1991 | GM sourced |
| 013 | Rat, M Ratio, 3.73 | 1995 | GM dated |
| 013 | P RAT, M RATIO, 3.73 | 1995 | GM sourced |
| 014 | Rat, M Ratio, 6.14 (6 1/7) | 1991 | GM dated |
| 014 | P RAT, M RATIO, 6.14 (6 1/7) | 1991 | GM sourced |
| 015 | Rat, M Ratio, 6.17 | 1991 | GM dated |
| 015 | P RAT, M RATIO, 6.17 | 1991 | GM sourced |
| 016 | Rat, M Ratio, 5.25 | 1991 | GM dated |
| 016 | P RAT, M RATIO, 5.25 | 1991 | GM sourced |
| 017 | Rat, M Ratio, 6.50 | 1991 | GM dated |
| 017 | P RAT, M RATIO, 6.50 | 1991 | GM sourced |
| 018 | Rat, M Ratio, 6.65 | 1989 | GM dated |
| 018 | P RAT, M RATIO, 6.65 | 1989 | GM sourced |
| 019 | Rat, M Ratio, 6.67 | 1989 | GM dated |
| 019 | P RAT, M RATIO, 6.67 | 1989 | GM sourced |
| 01A | Stc, R Stripe Color, Accent, Two Tone, Silver/gunmetal (1995) | 1998 | GM dated |
| 01A | P STC, R STRIPE COLOR, ACCENT, TWO TONE, SILVER/GUNMETAL (1995) | 1998 | GM sourced |
| 01A | Stripe Color Accent, Two Tone, Silver/gunmetal | — | GM dated |
| 01A | Trim Color Seat Jet Black | — | GM dated |
| 01B | Trim Color Seat LT Neutral | — | Reference |
| 01C | Trim Color Seat LT Titanium | — | Reference |
| 01D | Trim Color Seat LT Cashmere | — | Reference |
| 01E | Trim Color Seat DK Titanium | — | Reference |
The full list, A to Z
Showing 201–300 of 588 codes beginning with P. One meaning shown per code — the best-sourced one we hold. Search above for the rest.
| Code | Meaning | Years | Sourcing |
|---|---|---|---|
| PC5 | P, WHL, M, WHEEL, 15 X 7, STEEL, STYLED this code has more than one documented meaning — filter by year | 1992 | GM sourced |
| PC6 | P, WHL, M, WHEEL, 14 X 5.5, ALUMINUM (LMA) this code has more than one documented meaning — filter by year | 1997 | GM sourced |
| PC7 | P, WHL, M, WHEEL, 14 X 5.5, STEEL, STYLED | 1996 | GM sourced |
| PC8 | P, WHL, M, WHEEL, 225MM X 480MM FRT/235MM X 500MM RR, PAX, ALUM,, POLISHED, 10815 E, 1 | — | GM sourced |
| PC9 | P, WHL, M, WHEEL, 15 X 6.5, STEEL, STYLED | 1998 | Provisional |
| PCA | Trim Textile/leather | — | Reference |
| PCC | P, SALES PACKAGE, EQUIPMENT - N'JOY, 10912 E, 0 | — | Provisional |
| PCD | Family Code, Equipment Ckd | 1999 | GM dated |
| PCE | P, CONTROL, SEAT CUSHION, TILTABLE, RH, 10307 E, 0, 0, A | — | Provisional |
| PCF | Family Code, First Position | 1988 | GM dated |
| PCG | P, EQC, R, EQUIPMENT ADDITIONAL, SINGAPORE (FOR OPEL USE ONLY), 628 E, 0, 0, A | — | Provisional |
| PCH | Elevation Signature Package (LPO dealer-installed accessory) this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PCI | LS Custom Edition this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PCJ | RST True North Premium Package this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PCK | Ambulance / Fire / Rescue Package this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PCL | Super Cruise & Trailering Package this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PCM | Convenience Package II | 2026 | GM sourced |
| PCN | Denali Reserve Package this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PCO | BED UTILITY WALL PACKAGE | 2026 | GM sourced |
| PCP | Onyx Lite Package (LPO dealer-installed accessory) this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PCQ | SLE Convenience Package this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PCR | AT4 8-Passenger Premium Off-Road Package this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PCS | Family Code, Second Position | 1988 | GM dated |
| PCT | Family Code, Third Position | 1988 | GM dated |
| PCU | Sun and Tow Package | 2026 | GM sourced |
| PCV | WT Convenience Package | 2026 | GM sourced |
| PCW | TurboMax Blackout Package this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PCX | Custom Convenience Package | 2026 | GM sourced |
| PCY | SLT Convenience Package | 2026 | GM sourced |
| PCZ | LTZ Convenience Package | 2026 | GM sourced |
| PD0 | P, WHL, M, WHEEL, 20 X 8.5, ALUMINUM, CHROMED, 20913 | — | GM sourced |
| PD1 | P, WHL, M, WHEEL, 15 X 7, ALUMINUM, 6 SPOKES (LMA) | 1997 | Provisional |
| PD2 | P, WCV, R, COVER, WHEEL, FLUSH, VAR 8, 725 E, 5 | — | Provisional |
| PD3 | P, WCV, R, COVER, WHEEL, FLUSH, VAR 9, 725 E, 5 | — | Provisional |
| PD4 | P, WHL, M, WHEEL, 15 X 7, ALUMINUM, 5 SPOKES (LMA) this code has more than one documented meaning — filter by year | 1997 | GM sourced |
| PD5 | P, WHL, M, WHEEL, 18 X 8, ALUMINUM, CHROMED, 20913 | — | GM sourced |
| PD6 | P, WHL, M, WHEEL, 18 X 8, ALUMINUM, 3 SPOKE, 10814 | — | Provisional |
| PD7 | P, WHS, R, WHEEL SPARE, DELETE, 20306 this code has more than one documented meaning — filter by year | — | GM sourced |
| PD8 | P, WHL, M, WHEEL, 18 X 8, ALUMINUM, 5 SPOKE, 10814 this code has more than one documented meaning — filter by year | — | GM sourced |
| PD9 | P, WHL, M, WHEEL, 13 X 5, STEEL, MILD this code has more than one documented meaning — filter by year | 1996 | GM sourced |
| PDA | Texas Edition | 2026 | GM sourced |
| PDB | Onyx Package (LPO dealer-installed accessory) this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PDC | Dark Essentials Plus Package (LPO dealer-installed accessory) this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PDD | True North Edition Plus this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PDE | Assist step and truck bed cover Value Package III (LPO dealer-installed accessory) | 2026 | GM sourced |
| Elevation Appearance Package (LPO dealer-installed accessory) this code has more than one documented meaning — filter by year | 2026 | GM sourced | |
| PDG | AT4 Premium Package this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PDH | Interior Protection Package (LPO dealer-installed accessory) this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PDI | Off-Road Appearance Package, (dealer-installed) (LPO dealer-installed accessory) this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PDJ | Realtree Appearance Package, (dealer-installed) (LPO dealer-installed accessory) this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PDK | Denali Sport Nightfall Edition (LPO dealer-installed accessory) this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PDL | LTZ Texas Edition this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PDM | High Country Deluxe | 2026 | GM sourced |
| PDN | Advanced Technology Package this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PDO | High Country Premium II Package this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PDP | Cargo Convenience Package (LPO dealer-installed accessory) this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PDQ | LINER PROTECTION PACKAGE this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PDR | Assist step and truck bed cover Value Package II (LPO dealer-installed accessory) this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PDT | High Country Premium II Super Cruise Package this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PDU | All Star Edition this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PDV | Chrome Package (LPO dealer-installed accessory) this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PDW | Assist step and truck bed cover Value Package I (LPO dealer-installed accessory) this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PDX | Custom Value Package | 2026 | GM sourced |
| PDY | LTZ Premium Texas Edition this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PDZ | Z71 Off-Road and Protection Package | 2026 | GM sourced |
| PE0 | Wheel,16x8,alum,lt Weight 30th Anniversary this code has more than one documented meaning — filter by year | — | Reference |
| PE1 | P, WHL, M, WHEEL, 14 X 5.5, ALUMINUM, 8 FLAT SPOKES | 1996 | GM sourced |
| PE2 | P, WHL, M, WHEEL, 14 X 5.5, ALUMINUM, 5 SPOKES | 1996 | Provisional |
| PE3 | P, WHL, M, WHEEL, 16 X 7, ALUMINUM, 5 ROUND SPOKES, CHROME | 1996 | Provisional |
| PE4 | P, WHL, M, WHEEL, 14 X 5.5, ALUMINUM, 3 TRIANGULAR SPOKES | 1997 | Provisional |
| PE5 | P, WHL, M, WHEEL, 14 X 5.5, ALUMINUM, 5 FLAT SPOKES | 1997 | GM sourced |
| PE6 | P, WHL, M, WHEEL, 13 X 5, TRIANGULAR HOLES | 1984 | GM sourced |
| PE7 | P, WHL, M, WHEEL, 13 X 5.5, TRIANGULAR HOLES this code has more than one documented meaning — filter by year | 1984 | GM sourced |
| PE8 | P, WHL, M, WHEEL, 13 X 5.5, ALUMINUM, 16 SPOKES (LMA) | 1997 | GM sourced |
| PE9 | P, WHL, M, WHEEL, 16 X 7, ALUMINUM, 6 ROUND SPOKES, CHROME, 316 E, 5 | — | Provisional |
| PEA | P, CONTROL, SALES ITEM NO. 143, 1020 | — | Provisional |
| PEB | WT VALUE PACKAGE this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PEC | Denali Reserve Package | 2026 | GM sourced |
| PED | Chevy Safety Assist this code has more than one documented meaning — filter by year | 2026 | GM sourced |
| PEE | P, CONTROL, SALES ITEM NO. 147, 1020 | — | Provisional |
| PEF | Premium Dark Essentials Package (LPO dealer-installed accessory) | 2026 | GM sourced |
| PEG | P, CONTROL, SALES ITEM NO. 149, 1020 | — | Provisional |
| PEH | AT4 Premium Plus Package | 2026 | GM sourced |
| PEJ | Wheel 20 X 7.5, Aluminum, Painted Spokes, Bright Rim | — | Reference |
| PEP | Wheel 20 X 7.5, J, Aluminum, Design # 3 | — | Reference |
| PEQ | P, IDT, M, TRIM, CLOTH, ELBA, 10104 E, 0 | — | Provisional |
| PEW | Wheel 20 X 7.5, J, Aluminum, Design # 4 | — | Reference |
| PF0 | P, WHL, M, WHEEL, 14 X 5, STEEL | 1986 | GM sourced |
| PF1 | P, WHL, M, WHEEL, 15 X 5.5, ALUMINUM, 6 SPOKES (LMA) | 1997 | GM sourced |
| PF2 | P, WHL, M, WHEEL, 15 X 7, ALUMINUM this code has more than one documented meaning — filter by year | 1984 | GM sourced |
| PF3 | P, WHL, M, WHEEL, 15 X 6.5, ALUMINUM this code has more than one documented meaning — filter by year | 1984 | GM sourced |
| PF4 | cast-aluminum wheels for K-series trucks | 1990 | GM sourced |
| PF5 | P, WHL, M, WHEEL, 16 X 7, ALUMINUM (LMA) this code has more than one documented meaning — filter by year | 1997 | GM sourced |
| PF6 | P, WHL, M, WHEEL, 15 X 6, STEEL, 6 SPOKES, 6 HOLES | 1993 | GM sourced |
| PF7 | P, WHL, M, WHEEL, 15 X 6, ALUMINUM CAST, STYLED | 1985 | GM sourced |
| PF8 | P, WHL, M, WHEEL, 225MM X 480MM FRT/235MM X 500MM RR, PAX, ALUM, 10621 E, 1 | — | GM sourced |
| PF9 | P, WHL, M, WHEEL, 16 X 7, ALUMINUM CAST this code has more than one documented meaning — filter by year | 1993 | GM sourced |
| PFA | P, WHL, M, WHEEL, 14 X 4.5, ALUMINUM, 7 SPOKES, 10110 E, 0 | — | Provisional |
| PFB | Trim Equipment Cloth, Flocking | — | Reference |
| PFC | P, WHL, M, WHEEL, 16 X 6, ALUMINUM, CHROME, 1220 E, 3 | — | GM sourced |
Using the master list
This is the full GM RPO code list we hold — every Regular Production Option code in the database, searchable by code or by description and filterable to a single model year. Most RPO lists on the internet run to a couple of hundred codes copied from one service manual. This one holds 24,366, and tells you where each meaning came from.
What an RPO code is
RPO stands for Regular Production Option. Every piece of factory equipment on a GM vehicle carries a three-character code, and the ones fitted to your truck are printed on the Service Parts Identification label in the glove box or on the door jamb. G80 is a locking differential, Z71 is an off-road suspension package, K05 is a block heater.
They matter because they are what the factory actually built, not what a listing claims. If you are buying a truck, the label settles the argument. If you are ordering parts, the axle and transmission codes decide which part fits.
Why the same code means different things
GM has reused these codes for decades and across every division. A code that means one thing on a 1978 pickup can mean something unrelated on a 2015 SUV, and plenty of entries in circulation come from bulk listings with no year and no document behind them.
So every entry here is labelled with where it came from. GM sourced means we hold an actual GM document for it. GM dated means it comes from the option master with a date attached. Reference means it is in general circulation with nothing dated behind it — still useful, but treat it as a lead rather than a fact. Filtering by your model year is the single best way to get an answer you can rely on.
Read the codes off your own label
If you have the sticker in front of you, the RPO decoder will read a photo of it and decode every code at once, checked against your model year.
FullSizeChevy.com is not affiliated with, endorsed by, or sponsored by General Motors. Chevrolet, GMC, Cadillac, Silverado, Sierra and related marks are trademarks of General Motors LLC and are used here only to identify applicable vehicles. RPO meanings vary by model year, platform and configuration — verify against your own label before buying parts.