| • | 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 | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
Traction Control Switch Signal | 1 | 1 | -- | -- |
Ground | -- | 1 | -- | -- |
1. Traction Control Indicator Malfunction | ||||
The instrument panel cluster (IPC) illuminates the StabiliTrak indicator during the IPC bulb check or when the electronic brake control module (EBCM) detects a fault and sends a serial data message to the IPC commanding the indicator ON.
Antilock Brake System Schematics
Control Module References for scan tool information
| ⇒ | If the indicator does not turn ON and OFF, replace the IPC. |
| ⇒ | If greater than the specified range, test the ground circuit for an open/high resistance. |
| ⇒ | If not the specified value, test the signal circuit terminal C for a short to ground. If the circuit tests normal, replace the BCM. |
| ⇒ | If not the specified value, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the BCM. |
| ⇒ | If not the specified value, replace the traction control switch. |
| ⇒ | If greater than the specified range, replace the traction control switch. |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
| • | Control Module References for BCM replacement, setup, and programming |