Engine-Codes - Gmc - B144A GMC

B144A GMC Code - Run Power Relay Circuit

- Code Popularity: 475 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the B144A GMC Code?

  • 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 to Fix the B144A GMC Code?

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: 1.0

The cost to diagnose the B144A GMC code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are B144A GMC code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What Does the B144A GMC Code Mean?

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.

Run Power Relay Circuit

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