Test Description

WARNING: This page is about a different car, the 2007 Pontiac Montana SV6, 2007 Chevrolet Uplander, and 2007 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

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

3: This step tests if the instrument panel cluster (IPC) is able to turn OFF the ABS indicator.

ABS Indicator Inoperative

Step	Action	Yes	No
Schematic Reference: Antilock Brake System Schematics Connector End View Reference: Antilock Brake System Connector End Views or Displays and Gages Connector End Views
1	Did you perform the Diagnostic System Check - Vehicle?	Go to Step 2	Go to Diagnostic System Check - Vehicle
2	Turn OFF the ignition for 5 seconds. Turn ON the ignition while observing the ABS indicator. Does the ABS indicator illuminate for 2 seconds and then turn OFF?	Go to Diagnostic Aids	Go to Step 3
3	Install a scan tool. Select the Instrument Panel Cluster Special Functions menu on the scan tool. Command the instrument panel cluster (IPC) lamps ON. Does the ABS indicator turn ON?	Go to Step 5	Go to Step 4
4	Replace the IPC. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement?	Go to Step 6	-
5	Replace the electronic brake control module (EBCM). Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement?	Go to Step 6	-
6	Turn OFF the ignition for 5 seconds. Turn ON the ignition while observing the ABS indicator. Does the ABS indicator illuminate for 2 seconds and then turn OFF?	System OK	Go to Step 3