Yes | GO to F5 | |
|---|---|---|
No | REPAIR the affected connectors or terminals. Refer to Wiring Diagrams Cell 5 for schematic and connector information. | |
F5 CHECK FOR CORRECT ABS (ANTI-LOCK BRAKE SYSTEM) MODULE OPERATION
Connect ABS module C135. Make sure it seats and latches correctly. Operate the system and determine if the concern is still present.
Is the concern still present?
Yes | CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new ABS module. REFER to: Anti-Lock Brake System (ABS) Module (206-09 Anti-Lock Brake System (ABS) and Stability Control, Removal and Installation). | |
|---|---|---|
No | The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues. | |
Stability Control Sensor Signal Faults
Refer to Wiring Diagrams Cell 42 for schematic and connector information.
Normal Operation and Fault Conditions
The ABS module receives vehicle yaw rate, lateral acceleration, longitudinal acceleration and roll rate from RCM over the HS-CAN2. The yaw rate sensor, lateral accelerometer and longitudinal accelerometer are contained in the RCM. A failure of the HS-CAN2, an incorrectly installed RCM, an internal failure of the RCM or the internal sensors causes the ABS to set one or more Diagnostic Trouble Codes (DTCs).
DTC Fault Trigger Conditions
DTC | Description | Fault Trigger Conditions |
|---|---|---|
C0061:28, C0062:28, C0063:28, C0064:28 | Lateral Acceleration Sensor, Longitudinal Acceleration Sensor, Yaw Rate Sensor, Roll Rate Sensor: Signal Bias Level Out of Range / Zero Adjustment Failure | These Diagnostic Trouble Codes (DTCs) set in continuous memory and on-demand if the sensor signal is greater than the programmed maximum plausible sensor signal. |
C0061:2F, C0063:2F | Lateral Acceleration Sensor, Yaw Rate Sensor: Signal Erratic | These Diagnostic Trouble Codes (DTCs) set in continuous memory and on-demand if the lateral acceleration sensor signal is out of range when the vehicle is standing still. |
C0061:64, C0062:64, C0063:64, C0064:64 | Lateral Acceleration Sensor, Longitudinal Acceleration Sensor, Yaw Rate Sensor, Roll Rate Sensor: Signal Plausibility Failure | These Diagnostic Trouble Codes (DTCs) set in continuous memory and on-demand if the sensor signal does not match the other stability sensor signals. |
Possible Causes
Underinflated tires Incorrect or mismatched tires
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