GM Service Manual Online
For 1990-2009 cars only

Description

Module

DTC B3127 LF Door Only Unlock Circuit Low

BCM

DTC B3128 LF Door Only Unlock Circuit High

BCM

DTC B3137 All Door Lock Circuit Low

BCM

DTC B3138 All Door Lock Circuit High

BCM

DTC B3147 Passenger Unlock Switch Circuit Low

BCM

DTC B3148 Passenger Door Unlock Circuit High

BCM