C3500: owner reports and bulletins
Got C3500 on your scanner? Tell the mechanic your year, make, model and any symptoms and you'll get the likely cause and what to check first. Ask about this code.
What owners report to NHTSA
26 complaints filed with NHTSA mention C3500, across 13 different models. The component owners most often filed it under: tires.
Most-reported models
| Vehicle | Complaints | Model years reported |
|---|---|---|
| CHEVROLET SILVERADO 3500 | 9 | 1997, 1999, 2000, 2001, 2002 |
| CHEVROLET C3500 | 5 | 1993, 1995, 1996 |
Sources: NHTSA Office of Defects Investigation complaint database and manufacturer communications file, snapshots September 2026. A complaint or bulletin that mentions a code is a report about that vehicle, not a statement that the code has one cause.