Lights On Warning
The fast-pulsed lamps-on chime sounds when all of the following conditions are met:^ The left front door is open.
^ The body control module (MALL) does not detect voltage at the lamps off input at one of the following circuits:
- CKT 1785 (LT BLU) (Oldsmobile)
- CKT 549 (PPL/WHT) (Buick)
^ No voltage is detected at CKT 39 (PNK).