Engine-Codes - Generic - B144C

B144C - Inverted Run/Start Power Relay Circuit

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

B144C 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 is the B144C 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.

Tech Notes

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

What is the cost to diagnose the B144C code

Labor: 1.0

The cost to diagnose the B144C 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.
How much do you know about cars?

Take the AutoCodes.com automotive tests and turbo-charge your car repair knowledge

Play Now

Possible Symptoms

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

B144C 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.

More Information

Need more information on how to fix the B144C code?
Get Access to Factory Service Manuals

Information for specific makes

Need more help?

Get the B144c code diagnosed by a professional: Find a repair shop in your area