C2500: owner reports and bulletins

Chassis. We haven't written the explanation for this code yet. Below is what owners and manufacturers have filed with NHTSA.

Got C2500 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

28 complaints filed with NHTSA mention C2500, 2 of them since 2015, across 15 different models. The component owners most often filed it under: tires.

Most-reported models

VehicleComplaintsModel years reported
CHEVROLET SILVERADO 250061997, 1999, 2002, 2003, 2004
CHEVROLET C250061989, 1991, 1992, 1994, 1995
GMC SIERRA 250041997, 1999, 2001

Manufacturer service bulletins that name C2500

2 technical service bulletins and manufacturer communications filed with NHTSA mention C2500, from 1 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • NISSAN ARIYA (2023), bulletin 10246446: ADAS DTC SERVICE INFORMATION SERVICE INFORMATION If one or more of the following ADAS (Advanced Driver Assistance System) DTCs are stored, but continue to be current after the vehicle is turned OFF (IGN OFF) and then bac…
  • NISSAN SENTRA (2020), bulletin 10179617: TRAFFIC SIGN RECOGNITION OR LANE DEPARTURE WARNING MALFUNCTION DISPLAYED AND MIL ON WITH DTC C2503-54 AND/OR C1F6B-54 STORED IF YOU CONFIRM The customer states that one of the following warnings is displayed on the vehic…

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.