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 MANUALSCHEVROLET2003CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 6.0 UREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLANTILOCK BRAKE SYSTEM
2003 Chevrolet Chevy Express G2500, Van Cargo Extended, 6.0 U
Antilock Brake System
2003 Chevrolet Chevy Express G2500, Van Cargo Extended, 6.0 USECTION Antilock Brake System
- Intermittents
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Anti-Lock Brake System
- Diagnostic System Check - ABS (W/O JL4)
- Scan Tool Output Controls (W/O JL4)
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC C0035 Or C0040: EBCM Detects The Absence Of A Wheel Speed Sensor Signal
- DTC C0055 Or P0609: Vehicle Speed Signal
- DTC C0110: EBCM Detects An Open/Shorted Pump Motor Circuit Or Seized Pump Motor Or Abs Pump
- DTC C0161: TCC Brake Switch Signal Circuit
- DTC C0201: Voltage To Valve Solenoids
- DTC C0220-C0229: EBCM Has Not Received A Wheel Speed Signal From The Corresponding Wheel
- DTC C0245: At Least One Wheel Speed Sensor Signal Is Less Than Or Greater Than Other Wheel Speed Sensor Signals
- DTC C0550: EBCM Detects An Internal Malfunction
- Symptoms - Anti-Lock Brake System
- ABS Indicator Always On
- ABS Indicator Inoperative
- Repair Instructions
- Description and Operation
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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.