Section 794 (Anti-Lock Brake System)
WARNING: This page is about a different car, the 2002 GMC Safari and 2002 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic & Routing Diagrams
- Component Locator
- Diagnostic Information & Procedures
- Diagnostic Starting Point - Anti-Lock Brake System
- Diagnostic System Check - ABS
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC C0221: RF Wheel Speed Sensor Circuit Open; C0222: RF Wheel Speed Signal Missing; C0223: RF Wheel Speed Signal Erratic; C0225: LF Wheel Speed Sensor Circuit Open; C0226: LF Wheel Speed Signal Missing; C0227: LF 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: 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; C0284: EBCM Malfunction
- DTC C0281: Brake Switch Circuit
- Symptoms - Anti-Lock Brake System
- ABS Indicator Always On
- ABS Indicator Inoperative
- Repair Instructions
- Description & Operation