Section 603 (Anti-Lock Brake System)
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. 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 (w/JL4)
- Scan Tool Data List (w/o JL4)
- Scan Tool Data Definitions (w/JL4)
- Scan Tool Data Definitions (w/o JL4)
- Diagnostic Trouble Code (DTC) List
- DTC C0201, C0202, C0203, C0204: Master Cylinder Pressure Sensor
- DTC C0205, C0206, C0207, C0208: Steering Wheel Position - (PWM) Signals
- DTC C0209, C0210, C0211, C0212: Yaw Rate Sensor Signals & Voltage
- DTC C0213, C0214, C0215, C0216: Lateral Accelerometer Signals
- DTC C0217, C0218, C0219, C0220: Longitudinal Accelerometer Signal Voltage
- DTC C0221, C0222, C0223, C0225, C0226, C0227: EBCM Detects Open Or Shorted Wheel Speed Sensor
- DTC C0229: EBCM Detects Erratic Signal From Wheel Speed Sensors
- DTC C0235, C0236, C0237 or P1504: EBCM (Erratic) Wheel Speed Signal & PCM (Low Voltage) Vehicle Speed Signal
- DTC C0238: EBCM Detects Erratic Wheel Speed Input
- DTC C0240-C0259: EBCM Detects Internal Malfunctions
- DTC C0263: Brake Switch (Closed)
- DTC C0265 or C0266 (w/JL4): EBCM (Internal Malfunction Detected)
- DTC C0265 or C0266 (w/o JL4): EBCM (Internal Malfunction Detected)
- DTC C0267 or C0268: EBCM Detects Open, Shorted, or Seized Pump Motor or Driver Circuit
- DTC C0269 or C0274: EBCM Is Commanding the Dump & Isolation Solenoids (ON)
- DTC C0271, C0272, C0273, C0284: EBCM Detects Internal Malfunction
- DTC C0275 or C0276: EBCM Detects Internal Malfunction
- DTC C0279: EBCM Receives Invalid Information From PCM
- DTC C0281: EBCM Detects Open or Shorted Brake Switch or Circuit
- DTC C0282, C0285, or C0286: MPA Switch Remains Closed, Open, or MPA Intermittent
- DTC C0283 (w/JL4): VSES Mode Switch Signal Detected as Excessively Low/High, or Detected as Pressed for 60 Sec.
- DTC C0283 (w/NW7): EBCM Detects Low Voltage on TCS Signal Circuit
- DTC C0287, P1644, or P1689: EBCM Receives Invalid Torque Signals & PCM Detects Invalid Torque Signal Voltage Delivered
- DTC C0288: EBCM Detects Sensor Supply Voltage Fluctuating
- DTC C0290 or C0292: EBCM Failed to Receive Serial Data from PCM
- DTC C0297: EBCM Failed to Receive Correct Serial Data from PCM
- DTC C0298 or P1571: PCM Receives Invalid Requested Torque Signal and PCM Lost Ability to Perform Traction Control
- Symptoms - Anti-lock Brake System
- ABS Indicator Always On
- ABS Indicator Inoperative
- Low Traction Indicator Always On (Except Escalade)
- Low Traction Indicator Always On (Escalade)
- Low Traction Indicator Inoperative (Except Escalade)
- Low Traction Indicator Inoperative (Escalade)
- Stability System Disabled Indicator Always On
- Traction Off Indicator Always On (Escalade)
- Traction Off Indicator Always On (Except Escalade)
- Traction Off Indicator Inoperative (Escalade)
- Traction Off Indicator Inoperative (Except Escalade)
- Repair Instructions
- ABS Automated Bleed Procedure (w/JL4)
- ABS Automated Bleed Procedure (w/o JL4)
- Electronic Brake Control Module (EBCM) Replacement (w/JL4)
- Electronic Brake Control Module (EBCM) Replacement (w/o JL4)
- Brake Pressure Modulator Valve (BPMV) Replacement (w/JL4)
- Brake Pressure Modulator Valve (BPMV) Replacement (w/o JL4)
- Brake Fluid Pressure Sensor Replacement
- Pressure Accumulator Switch Replacement
- Wheel Speed Sensor Replacement (2WD)
- Wheel Speed Sensor Replacement (4WD)
- Traction Control Switch Replacement (StabiliTrak)
- Traction Control Switch Replacement (Traction Control)
- Yaw Rate Sensor/Lateral Accelerometer Replacement
- Description & Operation
- ABS Description & Operation
- Notes
- Initialization Sequence
- Anti-lock Brake System
- Pressure Hold
- Pressure Decrease
- Pressure Increase
- Dynamic Rear Proportioning (DRP)
- Traction Control System (TCS)
- Vehicle Stability Enhancement System (VSES)
- Brake Warning Indicator
- ABS Indicator
- Traction Control Indicators (w/NW7)
- Stability System Indicators (JL4)
- ABS Description & Operation
- Special Tools & Equipment