DTC B2618: Courtesy Light Circuit High: Notes
Body Control Module (BCM) monitors circuit No. 690 (Gray/Black wire) to determine when courtesy lights are on. See WIRING DIAGRAMS . If circuit is shorted to battery voltage, DTC will set. BCM performs a self-test on power up.
Conditions for setting DTC:
- Any courtesy light input displays ACTIVE on scan tool.
- Circuit No. 690 (Gray/Black wire) is shorted to battery voltage.
- System voltage 9-16 volts.
- Conditions met for .5 second.