Circuit Description
DTC sets when Body Control Module (BCM) detects an open or a short to ground in Black wire between BCM and horn relay for more than 3 minutes. System voltage must be 9-16 volts and horn is activated.
DTC sets when Body Control Module (BCM) detects an open or a short to ground in Black wire between BCM and horn relay for more than 3 minutes. System voltage must be 9-16 volts and horn is activated.