GM Service Manual Online
For 1990-2009 cars only

Description

Module

DTC B3137 DTC B3137 All Door Lock Circuit Low

BCM

DTC B3138 DTC B3138 All Door Lock Circuit High

BCM

DTC B3147 DTC B3147 RF Unlock Switch Circuit Low

BCM

DTC B3148 DTC B3148 RF Unlock Switch Circuit High

BCM