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 MANUALSCHEVROLET2002CHEVY EXPRESS G3500, VAN PASSENGER EXTENDED, 8.1 GREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESANTI-LOCK BRAKESANTI-LOCK BRAKE SYSTEM
2002 Chevrolet Chevy Express G3500, Van Passenger Extended, 8.1 G
Anti-Lock Brake System
2002 Chevrolet Chevy Express G3500, Van Passenger Extended, 8.1 GSECTION Anti-Lock Brake System
- Specifications
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Anti-lock Brake System
- Diagnostic System Check - ABS
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC 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
- DTC C0229: Drop Out Of Front Wheel Speed Signals
- DTC 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
- DTC C0238: Wheel Speed Mismatch
- DTC C0241: EBCM Control Valve Circuit; C0245: Wheel Speed Sensor Frequency Error; C0254: EBCM Control Valve Circuit
- DTC C0265: EBCM Relay Circuit; C0266: EBCM Relay Circuit
- DTC C0267 or C0268 and C067 or C068: PUMP MOTOR CIRCUIT OPEN/SHORTED; C0268: PUMP MOTOR CIRCUIT OPEN/SHORTED
- DTC C0269: Excessive Dump/Isolation Time; C0274: Excessive Dump/Isolation Time
- DTC C0271: EBCM Malfunction; C0272: EBCM Malfunction; C0273: EBCM Malfunction
- DTC C0281: Brake Switch Circuit
- DTC C0286: Abs Indicator Lamp Circuit Shorted To B+ (Export Models)
- DTC C0286: Abs Indicator Lamp Circuit Shorted To B+ (Domestic Models)
- DTC C0288: Brake Warning Lamp Circuit Shorted To B+
- Symptoms - Anti-lock Brake System
- ABS Indicator Always On (Export)
- ABS Indicator Always On (Domestic)
- ABS Indicator Inoperative
- Repair Instructions
- Description and Operation
RENDER: 1.0x
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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.