Key In Ignition Reminder

Voltage is supplied at all times to the BCM through the following components:
^ The Underhood Fuse Block TBC fuse
^ CKT 1140 (ORN)

The chime sounds if all of the following conditions exist:
^ The key is in the ignition switch.
^ The vehicle is not running.
^ The left door is open.

When the door is open, the left front door jamb switch closes to ground. This action provides a ground to the BCM through the following components:
^ CKT 126 (TAN)
^ The LH Door Jamb Switch
^ CKT 1050 (BLK)
^ SP203
^ C203 cavity F12
^ G203

The chime or the buzzer will sound for as long as the door is open and the key is in the ignition switch.