Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 536 (ANTILOCK BRAKE SYSTEM, TRACTION CONTROL SYSTEM & STABILITY CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC TROUBLE CODE (DTC) LIST
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Diagnostic Trouble Code (DTC) List
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Diagnostic Trouble Code (DTC) List
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Trouble Code (DTC) List
| DTC | Description | Module(s) |
|---|---|---|
| DTC B2597 | Traction Control System Switch Circuit | BCM |
| DTC C1214 | System Relay Contact or Coil Circuit Open | EBCM |
| DTC C1217 | Pump Motor Shorted to Ground | EBCM |
| DTC C1218 | Pump Motor Circuit Shorted to Voltage or Motor Ground Open | EBCM |
| DTC C1221 | Left Front Wheel Speed Sensor Input Signal is 0 | EBCM |
| DTC C1222 | Right Front Wheel Speed Sensor Input Signal is 0 | EBCM |
| DTC C1223 | Left Rear Wheel Speed Sensor Input Signal is 0 | EBCM |
| DTC C1224 | Right Rear Wheel Speed Sensor Input Signal is 0 | EBCM |
| DTC C1225 | Left Front Excessive Wheel Speed Variation | EBCM |
| DTC C1226 | Right Front Excessive Wheel Speed Variation | EBCM |
| DTC C1227 | Left Rear Excessive Wheel Speed Variation | EBCM |
| DTC C1228 | Right Rear Excessive Wheel Speed Variation | EBCM |
| DTC C1232 | Left Front Wheel Speed Circuit Open or Shorted | EBCM |
| DTC C1233 | Right Front Wheel Speed Circuit Open or Shorted | EBCM |
| DTC C1234 | Left Rear Wheel Speed Circuit Open or Shorted | EBCM |
| DTC C1235 | Right Rear Wheel Speed Circuit Open or Shorted | EBCM |
| DTC C1236 | Low System Supply Voltage | EBCM |
| DTC C1237 | High System Supply Voltage | EBCM |
| DTC C1241 in Variable Effort Steering | Variable Effort Steering Circuit Malfunction | EBCM |
| DTC C1242 | Pump Motor Circuit Open | EBCM |
| DTC C1243 | BPMV Pump Motor Stalled | EBCM |
| DTC C1247 in Hydraulic Brakes | Brake Pressure Differential Switch Activated | EBCM |
| DTC C1248 | EBCM Turned the Red Brake Warning Indicator On | EBCM |
| DTC C1254 | Abnormal Shutdown Detected | EBCM |
| DTC C1255 | EBCM Internal Malfunction | EBCM |
| DTC C1256 | EBCM Internal Malfunction | EBCM |
| DTC C1261 | Left Front Inlet Valve Solenoid Malfunction | EBCM |
| DTC C1262 | Left Front Outlet Valve Solenoid Malfunction | EBCM |
| DTC C1263 | Right Front Inlet Valve Solenoid Malfunction | EBCM |
| DTC C1264 | Right Front Outlet Valve Solenoid Malfunction | EBCM |
| DTC C1265 | Left Rear Inlet Valve Solenoid Malfunction | EBCM |
| DTC C1266 | Left Rear Outlet Valve Solenoid Malfunction | EBCM |
| DTC C1267 | Right Rear Inlet Valve Solenoid Malfunction | EBCM |
| DTC C1268 | Right Rear Outlet Valve Solenoid Malfunction | EBCM |
| DTC C1271 | Left Front TCS Master Cylinder Isolation Valve Malfunction | EBCM |
| DTC C1272 | Left Front TCS Prime Valve Malfunction | EBCM |
| DTC C1273 | Right Front TCS Master Cylinder Isolation Valve Malfunction | EBCM |
| DTC C1274 | Right Front TCS Prime Valve Malfunction | EBCM |
| DTC C1276 | Delivered Torque Signal Circuit Malfunction | EBCM |
| DTC C1277 | Requested Torque Signal Circuit Malfunction | EBCM |
| DTC C1278 | TCS Temporarily Inhibited By PCM | EBCM |
| DTC C1281 | VSES Sensors Uncorrelated | EBCM |
| DTC C1282 | Yaw Rate Sensor Bias Circuit Malfunction | EBCM |
| DTC C1283 | Excessive Time to Center Steering | EBCM |
| DTC C1284 | Lateral Accelerometer Sensor Bias Malfunction | EBCM |
| DTC C1285 | Lateral Accelerometer Sensor Circuit Malfunction | EBCM |
| DTC C1286 | Steering Sensor Bias Malfunction | EBCM |
| DTC C1287 | Steering Sensor Rate Malfunction | EBCM |
| DTC C1288 | Steering Sensor Circuit Malfunction | EBCM |
| DTC C1291 | Open Brake Lamp Switch Contacts During Deceleration | EBCM |
| DTC C1292 | Brake Fluid Pressure Sensor Circuit | EBCM |
| DTC C1293 | Code C1291 Set in Previous Ignition Cycle | EBCM |
| DTC C1294 | Brake Lamp Switch Circuit Always Active | EBCM |
| DTC C1295 | Brake Lamp Switch Circuit Open | EBCM |
| DTC C1296 | Brake Fluid Pressure Sensor Circuit | EBCM |
| DTC P1571 | Traction Control Torque Request Circuit | PCM |
| DTC P1689 | Traction Control Delivered Torque Output Circuit | PCM |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.