Test Description

WARNING: This page is about a different car, the 2002 GMC Safari and 2002 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.

The number(s) below refer to the step number(s) on the diagnostic table.

2) - Helps determine if the transfer case speed sensors are working properly.
3) - Tests to see if the DTC will reset.
4) - Inspects for mismatches and whether speed sensors are wired correctly.
5) - Inspects the transfer case for mechanical failures.

Fig 1: DTC C0376 Diagnosis

Courtesy of GENERAL MOTORS CORP.