Traction Control Indicator Malfunction

Traction Control Indicator Malfunction

Diagnostic Instructions

* 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.



Circuit Description

The instrument panel cluster (IPC) illuminates the traction control indicator during the IPC bulb check. The BCM receives a serial data message from the EBCM to illuminate the traction control indicator when a malfunction is detected. The IPC receives a serial data message from the BCM illuminate the traction control indicator.


Reference Information
Schematic Reference

Antilock Brake System Schematics ([1][2]Antilock Brakes / Traction Control Systems)
Connector End View Reference

Component Connector End Views
Description and Operation

ABS Description and Operation (Description and Operation)
Electrical Information Reference

* Circuit Testing
* Connector Repairs
* Testing for Intermittent Conditions and Poor Connections
* Wiring Repairs

Scan Tool Reference

Control Module References for Scan Tool Information


Circuit Verification

1. Ignition ON, observe the traction control indicator to turn ON then OFF during the IPC bulb test.
2. With a scan tool command the IPC display test ON and OFF. The traction control indicator should turn ON and OFF.

• If the traction control indicator does not turn ON and OFF, replace the IPC.




Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

* Electronic Traction Control Switch Replacement (Service and Repair)
* Control Module References for IPC replacement, setup, and programming