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 MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 5.7 R, L31/KL8REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 328 (ANTI-LOCK BRAKE SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC TROUBLE CODE (DTC) LIST
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8
Diagnostic Trouble Code (DTC) List
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION Diagnostic Trouble Code (DTC) List
WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Definition |
|---|---|
| B2747 | Traction Control Switch Circuit Low |
| C1214 | Electronic Brake Control Relay Contact Circuit Open |
| C1216 | EBCM Commanded Pressure Release Is Too Long |
| C1217 | Pump Motor Shorted To Ground |
| C1218 | Pump Motor Circuit Short To Voltage Or Motor Ground Open |
| C1221 | LF Wheel Speed Sensor Input Signal Equals Zero |
| C1222 | RF Wheel Speed Sensor Input Signal Equals Zero |
| C1223 | LR Wheel Speed Sensor Input Signal Equals Zero |
| C1224 | RR Wheel Speed Sensor Input Signal Equals Zero |
| C1225 | LF Excessive Wheel Speed Variation |
| C1226 | RF Excessive Wheel Speed Variation |
| C1227 | LR Excessive Wheel Speed Variation |
| C1228 | RR Excessive Wheel Speed Variation |
| C1229 | Simultaneous Drop Out Of Front Wheel Speed Signals |
| C1232 | LF Wheel Speed Circuit Open Or Shorted |
| C1233 | RF Wheel Speed Circuit Open Or Shorted |
| C1234 | LR Wheel Speed Circuit Open Or Shorted |
| C1235 | RR Wheel Speed Circuit Open Or Shorted |
| C1236 | Low System Supply Voltage |
| C1237 | High System Voltage |
| C1238 | Brake Temp Status Temporarily Exceeded |
| C1242 | BPMV Pump Motor Ground Circuit Open |
| C1243 | BPMV Pump Motor Stalled |
| C1248 | DRP Disabled |
| C1254 | Abnormal Shutdown Detected |
| C1255 | EBTCM Internal Malfunction (ABS/TCS/ICCS Disabled) |
| C1256 | EBTCM Internal Malfunction |
| C1261 | LF Inlet Valve Solenoid Malfunction |
| C1262 | LF Outlet Valve Solenoid |
| C1263 | RF Inlet Valve Solenoid |
| C1264 | RF Outlet Valve Solenoid |
| C1265 | LR Inlet Valve Solenoid |
| C1266 | LR Outlet Valve Solenoid |
| C1267 | RR Inlet Valve Solenoid |
| C1268 | RR Outlet Valve Solenoid |
| C1269 | VCM/4WAL Voltage Low During ABS Stop |
| C1271 | LF TCS Master Cylinder Isolation Valve |
| C1272 | LF TCS Prime Valve |
| C1273 | RF TCS Master Cylinder Isolation Valve |
| C1274 | RF TCS Prime Valve |
| C1275 | PCM Serial Data Malfunction |
| C1276 | Delivered Torque Signal Malfunction |
| C1277 | Requested Torque Signal Circuit Malfunction |
| C1278 | TCS Temporarily Inhibited By PCM (TCS/ETS Only) |
| C1291 | Open Brake Lamp Switch Contacts During Deceleration |
| C1294 | Brake Lamp Switch Circuit Always Active |
| C1295 | Brake Light Switch Circuit Open |
| P1571 | Traction Control Desired Torque Signal |
| P1644 | Driver 1 Line 4 |
| P1689 | TCS Delivered Torque Control Circuit |
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.