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.