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 514 (ANTILOCK BRAKE SYSTEM AND TRACTION CONTROL SYSTEM)
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8
Section 514 (Antilock Brake System And Traction Control System)
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION Section 514 (Antilock Brake System And Traction Control System)
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Antilock Brake System
- Diagnostic System Check - ABS
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- Diagnostic Test Drive
- Enhanced Diagnostics
- DTC B2747: Signal Circuit Voltage Of The Traction Control Switch Is Low
- DTC C0035, C0036, C0037, C0038, C0039, C0040, C0041, C0042, C0043, C0044, C0045, C0046, C0047, C0048, C0049, C0050, C0051: ABS/TCS Brake Switch Circuit Malfunction
- DTC C0060, C0061, C0062, C0063, C0064, C0065, C0066, C0067, C0068, C0069, C0070, C0071, C0072, C0073, C0074, C0075, C0076, C0077, C0078, C0079, C0080, C0081, C0082, C0083, C0084, C0085, C0086, C0087, C0088, C0089, C0090, C0091, C0092, C0093, C0094, C0095: TCS RPM Signal Circuit Malfunction
- DTC C0110: PCM Traction Control Not Allowed
- DTC C0121: PCM Indicated Requested Torque Malfunction
- DTC C0141, C0142, C0143, C0144, C0145, C0146, C0147, C0148, C0149, C0150, C0151, C0152, C0153, C0154, C0155, C0156: PWM Delivered Torque Malfunction
- DTC C0161: Wheel Speed Sensor Frequency Error
- DTC C0236: ECU Malfunction
- DTC C0240: VIN Information Error
- DTC C0241 or P0856: Device Voltage Range Performance
- DTC C0244 or P1689: Low Tire Pressure Detected
- DTC C0245: Wheel Speed Comparison Deviation
- DTC C0565: Digit 5 Of The VIN Is Incorrect
- DTC C0896: EBCM Operating Voltage
- Symptoms - Antilock Brake System
- ABS Indicator Always On
- ABS Indicator Inoperative
- Low Traction Indicator Always On
- Low Traction Indicator Inoperative
- Traction Off Indicator Always On
- Traction Off Indicator Inoperative
- Repair Instructions
- ABS Automated Bleed Procedure
- Electronic Brake Control Module Replacement
- Brake Pressure Modulator Valve (BPMV) Replacement
- Wheel Speed Sensor Replacement - Front
- Wheel Speed Sensor Replacement - Rear (Rear)
- Wheel Speed Sensor Replacement - Rear (Rear (w/AWD))
- Wheel Speed Sensor Jumper Harness Replacement - Front
- Wheel Speed Sensor Jumper Harness Replacement - Rear
- Traction Control Switch Replacement
- Description and Operation
- Special Tools and Equipment
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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.