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)
First diagnose B144A code
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 terminals.
Cost of diagnosing the B144A code
Labor: 1.0The 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.
B144A Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B144A MeaningThe 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 InformationNeed more information on how to fix the B144A code?
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