Test Description
WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. 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).
Courtesy of GENERAL MOTORS CORP.