Engine-Codes - Generic - B144A

B144A - Run Power Relay Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

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 is the B144A 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 code

Labor: 1.0

The cost to diagnose 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.
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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.

More Information

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Information for specific makes

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