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 PASSENGER EXTENDED, 5.0 MREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 945 (ANTI-LOCK BRAKE SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC TROUBLE CODE (DTC) LIST
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 M
Diagnostic Trouble Code (DTC) List
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 MSECTION Diagnostic Trouble Code (DTC) List
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2001 GMC Yukon XL, 2001 GMC Yukon, 2001 GMC Sierra, 2001 GMC Cab & Chassis Sierra, and 2001 GMC C3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Trouble Code (DTC) List
| DTC | Diagnostic Procedure | Definition | Module(s) |
|---|---|---|---|
| C0221 | DTC C0221-C0227 or C021 | Front Wheel Speed Sensor Circuit | EBCM |
| C0222 | DTC C0221-C0227 or C021 | Front Wheel Speed Sensor Circuit | EBCM |
| C0223 | DTC C0221-C0227 or C021 | Front Wheel Speed Sensor Circuit | EBCM |
| C0225 | DTC C0221-C0227 or C021 | Front Wheel Speed Sensor Circuit | EBCM |
| C0226 | DTC C0221-C0227 or C021 | Front Wheel Speed Sensor Circuit | EBCM |
| C0227 | DTC C0221-C0227 or C021 | Front Wheel Speed Sensor Circuit | EBCM |
| C0229 | DTC C0229 or C029 | Drop Out of Front Wheel Speed Signals | EBCM |
| C0235 | DTC C0235-C0237, C035-C037, or P1504 | Rear Wheel Speed Sensor Circuit | EBCM |
| C0236 | DTC C0235-C0237, C035-C037, or P1504 | Rear Wheel Speed Sensor Circuit | EBCM |
| C0237 | DTC C0235-C0237, C035-C037, or P1504 | Rear Wheel Speed Sensor Circuit | EBCM |
| C0238 | DTC C0238 or C038 | Wheel Speed Mismatch | EBCM |
| C0241 | DTC C0241-C0254 or C041-C054 | EBCM Control Valve Circuit | EBCM |
| C0242 | DTC C0241-C0254 or C041-C054 | EBCM Control Valve Circuit | EBCM |
| C0243 | DTC C0241-C0254 or C041-C054 | EBCM Control Valve Circuit | EBCM |
| C0244 | DTC C0241-C0254 or C041-C054 | EBCM Control Valve Circuit | EBCM |
| C0245 | DTC C0241-C0254 or C041-C054 | EBCM Control Valve Circuit | EBCM |
| C0246 | DTC C0241-C0254 or C041-C054 | EBCM Control Valve Circuit | EBCM |
| C0247 | DTC C0241-C0254 or C041-C054 | EBCM Control Valve Circuit | EBCM |
| C0248 | DTC C0241-C0254 or C041-C054 | EBCM Control Valve Circuit | EBCM |
| C0251 | DTC C0241-C0254 or C041-C054 | EBCM Control Valve Circuit | EBCM |
| C0252 | DTC C0241-C0254 or C041-C054 | EBCM Control Valve Circuit | EBCM |
| C0253 | DTC C0241-C0254 or C041-C054 | EBCM Control Valve Circuit | EBCM |
| C0254 | DTC C0241-C0254 or C041-C054 | EBCM Control Valve Circuit | EBCM |
| C0265 | DTC C0265 or C0266 and C065 or C066 | EBCM Relay Circuit | EBCM |
| C0266 | DTC C0265 or C0266 and C065 or C066 | EBCM Relay Circuit | EBCM |
| C0267 | DTC C0267 or C0268 and C067 or C068 | Pump Motor Circuit Open/Shorted | EBCM |
| C0268 | DTC C0267 or C0268 and C067 or C068 | Pump Motor Circuit Open/Shorted | EBCM |
| C0269 | DTC C0269 or C0274 and C069 or C074 | Excessive Dump/Isolation Time | EBCM |
| C0271 | DTC C0271-C0273, C0284 | EBCM Malfunction | EBCM |
| C0272 | DTC C0271-C0273, C0284 | EBCM Malfunction | EBCM |
| C0273 | DTC C0271-C0273, C0284 | EBCM Malfunction | EBCM |
| C0274 | DTC C0269 or C0274 and C069 or C074 | Excessive Dump/Isolation Time | EBCM |
| C0279 | DTC C0279 | Powertrain Configuration Not Valid | EBCM, PCM |
| C0281 | DTC C0281 or C081 | Brake Switch Circuit | EBCM |
| C0283 | DTC C0283 (w/NW7) | Traction Switch Shorted to Ground | EBCM |
| C0284 | DTC C0271-C0273, C0284 | EBCM Malfunction | EBCM |
| C0287 | DTC C0287, P1644, or P1689 | Delivered Torque Circuit | EBCM, PCM |
| C0290 | DTC C0290 or C0292 | Lost Communications With PCM | EBCM, PCM |
| C0292 | DTC C0290 or C0292 | Lost Communications With PCM | EBCM, PCM |
| C0297 | DTC C0297 | Powertrain Configuration Data Not Received | EBCM, PCM |
| C0298 | DTC C0298 or P1571 | Powertrain Indicated Traction Control Malfunction | EBCM, PCM |
| P1571 | DTC C0298 or P1571 | Powertrain Indicated Traction Control Malfunction | EBCM, PCM |
| P1644 | DTC C0287, P1644, or P1689 | Delivered Torque Circuit | EBCM, PCM |
| P1689 | DTC C0287, P1644, or P1689 | Delivered Torque Circuit | EBCM, 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.