• | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
• | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
• | Diagnostic Procedure Instructions provides an overview of each diagnostic category. |
The electronic brake control module (EBCM) receives serial data messages from the steering wheel position sensor identifying the position and direction of the steering wheel rotation.
Ignition ON.
The calculated steering angle from the steering wheel position sensor does not correlate with the steering angle calculated from the yaw rate.
One or more of the following actions may occur:
• | The EBCM disables the antilock brake system (ABS)/traction control system (TCS) and vehicle stability enhancement system (VSES) for the duration of the ignition cycle. |
• | The ABS indicator illuminates. |
• | The Stabilitrak indicator illuminates. |
• | The driver information center (DIC) displays All Wheel Drive Off/ Service Traction Control / Service Stabilitrak message. |
• | The condition for the DTC is no longer present. |
• | The EBCM clears the history DTC when a current DTC is not detected in 100 consecutive drive cycles. |
Antilock Brake System Schematics
Control Module References for scan tool information
⇒ | If any of the DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle |
⇒ | If the DTC sets, replace the EBCM. |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for EBCM replacement, setup, and programming