GM Service Manual Online
For 1990-2009 cars only

Left Front Wheel Speed Circuit Fault


Object Number: 909871  Size: MF

The ABS control module continually monitors all wheel speed circuit is open, grounded, or shorted to battery, ABS will be disabled and the antilock telltale lamp will be turned On.

Code Parameters

Code 32 sets if:

Left front wheel circuit is open,graounded, or shorted to battery.

This code can set anytime after the key is turned to the RUN position. The vehicle does not have to be moving.

Diagnostic Aids

Before proceeding with the trouble tree, make a thorough visual inspection of the wheel speed sensor circuitry. Closely inspect the inline connector(s) since this is the most likely area for opens or shorts.

When attempting to diagnose an intermittent problen, use the Scan tool to review supplemental diagnostic information. The supplemental data can be used to duplicate a problem.

Select Malf History from Scan tool ABS menu.

Intermittents or opens suspected to be at the connectors can be detected by using a diagnostic service probe.

Check the tightness of the female terminal grip with a spare male terminal


Object Number: 909825  Size: FP

Object Number: 909991  Size: FP