Anti-Lock Brake System
- 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
- Circuit Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Cc0240, C0249, C0250, C0255-C0259
- C0241, C0242, C0245, C0246, C0251-C0254
- C0243, C0244, C0247, C0248
- Conditions for Clearing the DTC
- Diagnostic Aids
- DTC C0240-C0259
- 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
- Description & Operation
- Special Tools & Equipment