Section 945 (Anti-Lock Brake System)
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. 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 - 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 C0279: Powertrain Configuration Not Valid
- DTC C0281: Brake Switch Circuit
- DTC C0283: Traction Switch Shorted To Ground (W/NW7)
- DTC C0287: Delivered Torque Circuit; P1644: Delivered Torque Output Circuit; P1689: Traction Control Delivered Torque Circuit
- DTC C0290: Lost Communications With PCM; C0292: Lost Communications With PCM
- DTC C0297: Powertrain Configuration Data Not Received
- DTC C0298: Powertrain Indicated Traction Control Malfunction; P1571: TCS PWM Circuit No Frequency
- 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
- Description and Operation
- ABS Description and Operation
- Special Tools and Equipment