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Home >> Pontiac >> 2007 >> Grand Prix Base >> Repair and Diagnosis >> Brakes >> Anti-Lock Brake System, Traction Control System & Stability Control System >> Diagnostic Information and Procedures >> ABS Indicator Always On >> Test Description

Test Description

The number below refers to step number on the diagnostic table.

  1. 2:  This step checks if the IPC has the ability to turn the ABS indicator OFF, or if the EBCM is sending an incorrect command to turn the ABS indicator ON.
ABS Indicator Always On

Step Action Yes No
Schematic Reference: Antilock Brake System Schematics 
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
Using a scan tool in the Instrument Panel Cluster (IPC) Special Functions, attempt to turn OFF the antilock brake system (ABS) indicator.
Did the ABS indicator turn OFF?
Go to Step 3  Go to Step 4 
3 Replace the electronic brake control module (EBCM). Refer to Control Module References for replacement, setup, and programming.
Is the replacement complete?
Go to Step 5  -
4 Replace the instrument panel cluster (IPC). Refer to Control Module References for replacement, setup, and programming.
Is the replacement complete?
Go to Step 5  -
5 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 2