GM Service Manual Online
For 1990-2009 cars only

Description

Module

DTC B1000 ECU Malfunction

BCM, Radio, DIC

DTC B1004 Keep Alive Memory (KAM)

Radio

DTC B1339 Device Power #3 Circuit Open

BCM

DTC B1349 Device Gnd #1 (Chassis Gnd #1) CKT Open

BCM

DTC B1440 Power Mode Master Input Circuits Mismatch

BCM

DTC B1482 Battery Rundown Protection CKT Low

BCM

DTC B1483 Battery Rundown Protection CKT High

BCM