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 below refers to the step number on the diagnostic table:

3. This step checks the keyless entry serial data circuit for voltage supplied by the body control module (BCM).

Fig 1: DTC B3102 Diagnostic Table (1 Of 2)

Courtesy of GENERAL MOTORS CORP.

Fig 2: DTC B3102 Diagnostic Table (2 Of 2)

Courtesy of GENERAL MOTORS CORP.