B144A GMC - Run Power Relay Circuit
B144A GMC 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 is the B144A GMC code repair?Start by checking 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.
What is the cost to diagnose the B144A GMC code
Labor: 1.0The cost to diagnose the B144A GMC 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.
- Engine Light ON (or Service Engine Soon Warning Light)
B144A GMC 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.
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