Engine-Codes -
Generic -
B144A
B144A - Run Power Relay Circuit
B144A 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
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 code
Labor: 1.0
The cost of diagnosing the B144A code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B144A Meaning
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.B144A More Information
Need more information on how to fix the B144A code?Get Access to Factory Service Manuals
Information for specific makes
- B144A BUICK Run Power Relay Circuit
- B144A CADILLAC Run Power Relay Circuit
- B144A CHEVROLET Run Power Relay Circuit
- B144A GMC Run Power Relay Circuit