Engine-Codes - Gmc - B144C GMC

B144C GMC - Inverted Run/Start Power Relay Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?

B144C GMC Possible Causes

  • Faulty Inverted Run/Start Power Relay
  • Inverted Run/Start Power Relay harness is open or shorted
  • Inverted Run/Start Power Relay circuit poor electrical connection
  • Faulty Steering Column Lock Module

How do I fix code B144C GMC

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.

Tech Notes

B144C 01 Inverted Run/Start Power Relay Circuit Short to Battery
B144C 06 Inverted Run/Start Power Relay Circuit Low Voltage/Open

Cost of diagnosing the B144C GMC code

Labor: 1.0

The cost of diagnosing the B144C 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.

Possible Symptoms

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

B144C GMC Meaning

The vehicle theft deterrent subsystem provides the capability to lock or unlock the steering column electrically. The Steering Column Lock Module is allowed to unlock when power mode transitions to a non off power mode and an authenticated driver identification device is present. Once the column is unlocked, a crank request can be allowed.

B144C GMC More Information

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