Circuit Description
WARNING: This page is about a different car, the 1999 Pontiac Grand Am and 1999 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.
DTC B1374 will set if IGNITION 1 is not active and IGNITION 3 is active for 20 seconds. When DTC is present, BCM will go to sleep. BCM will wake up after fault is cleared. DTC will clear from history after ignition switch is cycled on and off 100 times with no faults present. DTC can also be cleared using scan tool.