Test Description

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 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 Always On

Step	Action	Yes	No
Schematic Reference: ABS Schematics Connector End View Reference: ABS Connector End Views or Instrument Panel, Gages and Console Connector End Views in Instrument Panel, Gages and Console
1	Did you perform the Diagnostic System Check - Vehicle?	Go to Step 2	Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
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 OFF. Does the ABS indicator turn OFF?	Go to Step 5	Go to Step 4
4	Replace the IPC. Refer to Control Module References in Computer/Integrating Systems 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 in Computer/Integrating Systems 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