For OBD information for all GM vehicles please see our GM OBD / OBD2 page.
If you cannot find your model below and it is newer than 1996, please refer to our list of all Chevy OBD2 codes. NOTE: A model specific code list like those below will be the most accurate source for manufacturer specific OBD / OBD2 codes of your vehicle.
| Model | Year | Engine information | System |
|---|---|---|---|
| Astro 4.3L | 1996·05 | VIN position 8 =W/X | GM |
| Avalanche 5.3/6.0/8.1 L | 2002·09 | VIN position 8 =3/0/G/KfTIY | GM |
| Aveo 1.6L | 2004-09 | VIN position 8 =6 | GM |
| Beretta/Corsica 2.2L | 1996 | VIN position 8 =M/4 | GM |
| Beretta/Corsica 3.1 L | 1996 | VIN position 8 =M/4 | GM |
| Blazer 4.3L | 1996·05 | VIN position 8 =W/X | GM |
| C/K Pickup 4.3L | 1996·00 | VIN position 8 =W | GM |
| C/K Pickup 5.0L | 1996·00 | VIN position 8 =M | GM |
| C/K Pickup 5.7L | 1996·00 | VIN position 8 =R | GM |
| C/K Pickup 7.4L | 1996·00 | VIN position 8 =J | GM |
| Camaro 3.4L | 1993·95 | VIN pOSition 8 =S | GM |
| Camaro 3.8L | 1995·02 | VIN position 8 =K | GM |
| Camaro 5.7L | 1993·94 | VIN pOSition 8 =P | GM |
| Camaro 5.7L | 1995·02 | VIN position 8 =G/P | GM |
| Caprice 5.7L | 1993·95 | VIN position 8 =P | GM |
| Caprice 5.7L | 1995·96 | VIN position 8 =P | GM |
| Caprice Wagon 4.3L | 1993·95 | VIN position 8 =W | GM |
| Cavalier 2.2L | 1996·04 | VIN position 8 =F/4 | GM |
| Cavalier 2.3/2.4L | 1992·02 | VIN position 8 =OfT | GM |
| Chevy Van/Express 4.3/5.0L | 1996·0S | VIN position 8 =M/XIW | GM |
| Chevy Van/Express 5.7/7.4/8.1L | 1996·07 | VIN position 8 =G/J/R | GM |
| Cobalt 2.0/2.2/2.4L | 200S-09 | VIN position 8 =B/F/P | GM |
| Colorado 2.8U3.SL | 2004-06 | VIN position 8 =8/6 | GM |
| Colorado 2.9U3.6/S.7L | 2007-09 | VIN position 8 =9/E/l | GM |
| Corvette 5.7L (OBD-I) | 1994 | VIN position 8 =P | GM |
| Corvette 5.7L (OBD-II) | 1994-04 | VIN position 8 =G/P/S | GM |
| Corvette 6.0/6.2/7.0L | 200S-09 | VIN position 8 =E/RlUIWIY | GM |
| Equinox 3.4/3.6L | 200S-09 | VIN position 8 =7/F | GM |
| Express 4.3/5.0/5.7/7.4/8.1 L | 1996-07 | VIN postion 8 =G/J/M/RIWIX | GM |
| Express 4.8/S.3/6.0/6.6L | 2003-09 | VIN position 8 =2/4/C/KfT/UN | GM |
| HHR 2.0/2.2/2.4L | 2006-09 | VIN position 8 =51NB/F/M | GM |
| Impala 3.4/3.8L | 2000-0S | VIN position 8 =E/Kl1 | GM |
| Impala 3.S/3.9/S.3L | 2006-09 | VIN position 8 =1/3/8/C/KlN | GM |
| Lumina 3.1L | 1996-01 | VIN position 8 =T/M/J | GM |
| Lumina 3.4L | 1994-96 | VIN position 8 =X | GM |
| Lumina APV/Minivan 3.4L | 1996 | VIN position 8 =E | GM |
| Lumina APV/Minivan 3.5L | 1994-95 | VIN position 8 =l | GM |
| Malibu 2.2/2.4/3.5/3.6L | 2004-09 | VIN position 8 =5/7/B/F/N/8 | GM |
| Malibu 2.4/3.1 L | 1997-03 | VIN position 8 =J/MIT | GM |
| Malibu 3.9L | 2006-07 | VIN position 8 =1 | GM |
| Metro 1.0/1.3L | 1995-01 | VIN position 8 =2/6 | GM |
| Monte Carlo 3.1L | 1996-99 | VIN position 8 =M | GM |
| Monte Carlo 3.4L | 2000-05 | VIN position 8 =E | GM |
| Monte Carlo 3.5/3.9/5.3L | 2006-07 | VIN position 8 =1/8/C | GM |
| Monte Carlo 3.8L | 1998-0S | VIN position 8 =I/Kl1 | GM |
| Monte Carlo/Z34 3.4L | 1995-97 | VIN position 8 =X | GM |
| Prizm 1.SL | 1998-02 | VIN position 8 =8 | GM |
| S10 Pickup 2.2/4.3L | 1996-05 | VIN position 8 =WIXJ4/5 | GM |
| Silverado 6.6L Turbo Diesel | 2001-09 | VIN position 8 =1/2 | GM |
| Silverado/Suburban 4.3/4.8L | 1996-09 | VIN position 8 =CN/X | GM |
| Silverado/Suburban 5.3/5.7L | 1996-09 | VIN position 8 =O/3/J/M/RITIZ | GM |
| Silverado/Suburban 6.0/7.4/8.1 L | 1996-09 | VIN position 8 =5/G/J/N/U | GM |
| SSR 5.3/6.0L | 2003-07 | VIN position 8 =HIP | GM |
| Tahoe 4.S/5.3/5.7L | 1996-06 | VIN position 8 =RlTN/Z | GM |
| Tahoe 4.8/5.3/6.0L | 2007-09 | VIN position 8 =5/C/J/O | GM |
| Tracker 1.6/2.0/2.SL | 1998-04 | VIN position 8 =1/6/C | GM |
| Trailblazer 4.2U5.3/6.0L | 2002-09 | VIN position 8 =H/M/P/S | GM |
| Uplander 3.5/3.9L | 200S-0S | VIN position 8 =1/L | GM |
| Venture 3.4L | 1997-04 | VIN position 8 =E | GM |