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.
Circuit No. 1459 (White wire) supplies voltage from BCM to Passlock(R) sensor. DTC B2947 will set when Passlock(R) power is active and Passlock(R) power feedback is not present for 1 second. When DTC is set, BCM will turn off Passlock(R) power as long as fault is set. When starting vehicle, it will immediately stall and SECURITY indicator will remain on. BCM will go to sleep and 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.