Traction Control/Stability Control Indicator Malfunction

Traction Control/Stability Control Indicator Malfunction

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis Strategy Based Diagnosis for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions Diagnostic Procedure Instructions provides an overview of each diagnostic category.

Circuit Description

The instrument cluster illuminates the Stabilitrak indicator during the instrument cluster bulb check or when the electronic brake control module detects a fault and sends a serial data message to the instrument cluster commanding the indicator ON.

Reference Information
Schematic Reference

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

Component Connector End Views Hybrid/EV Battery Pack X1
Description and Operation

ABS Description and Operation Description and Operation
Electrical Information Reference

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

Scan Tool Reference

Control Module References Programming and Relearning for scan tool information

Circuit/System Verification

When the ignition is turned ON, the stabilitrak indicator lamp should illuminate, then after 5 seconds it should turn OFF.

1. Vehicle in Service Mode.
2. Verify the instrument cluster traction control/stability control-active indicator turns ON and OFF when commanding the All Indicators ON and OFF with a scan tool.

• If the indicator does not turn ON and OFF
Replace the P16 instrument cluster.

• If the indicator turns ON and OFF

3. All OK.

Repair Instructions

Perform the Diagnostic Repair Verification Verification Tests after completing the repair.

Control Module References Programming and Relearning for instrument cluster replacement, programming and setup