Run Power Relay Circuit
Table of contents
B144A CADILLAC Possible Causes
- Faulty Run Power Relay
- Run Power Relay harness is open or shorted
- Run Power Relay circuit poor electrical connection
- Faulty Body Control Module (BCM)
How do I fix code B144A CADILLAC?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the B144A CADILLAC code
The cost of diagnosing the B144A CADILLAC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B144A CADILLAC Description
The Body Control Module (BCM) controls the trailer ignition power relay through the control circuit by applying voltage to the run relay coil control circuit. The trailer ignition power relay is energized when the ignition is in the ON position.