Diagnostic Trouble Code (DTC) List
WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE (DTC) DEFINITION
| DTC | Description |
|---|---|
| C0221 | Right Front Wheel Speed Sensor Circuit Open |
| C0222 | Right Front Wheel Speed Signal Missing |
| C0223 | Right Front Wheel Speed Signal Erratic |
| C0225 | Left Front Wheel Speed Sensor Circuit Open |
| C0226 | Left Front Wheel Speed Signal Missing |
| C0227 | Left Front Wheel Speed Signal Erratic |
| C0229 | Drop Out Of Front Wheel Speed Signals |
| C0235 | Rear Wheel Speed Signal Circuit Open |
| C0236 | Rear Wheel Speed Signal Circuit Missing |
| C0237 | Rear Wheel Speed Signal Erratic |
| P1504 | Vehicle Speed Output Circuit |
| C0238 | Wheel Speed Mismatch |
| C0241 | EBCM Control Valve Circuit |
| C0245 | Wheel Speed Sensor Frequency Error |
| C0254 | EBCM Control Valve Circuit |
| C0265 | EBCM Relay Circuit |
| C0266 | EBCM Relay Circuit |
| C0267 | Pump Motor Circuit Open/Shorted |
| C0268 | Pump Motor Circuit Open/Shorted |
| C0269 | Excessive Dump/Isolation Time |
| C0274 | Excessive Dump/Isolation Time |
| C0271 | EBCM Malfunction |
| C0272 | EBCM Malfunction |
| C0273 | EBCM Malfunction |
| C0281 | Brake Switch Circuit |
| C0286 | ABS Indicator Lamp Circuit Shorted To B+ (Export Models) |
| C0286 | ABS Indicator Lamp Circuit Shorted To B+ (Domestic Models) |
| C0288 | Brake Warning Lamp Circuit Shorted to B+ |