AutoCodes – Chevrolet – B144A Chevrolet

B144A Chevrolet Code - Run Power Relay Circuit

Quick Answer

The Body Control Module (BCM) feeds the ignition circuit by applying voltage when the ignition is in the ON position. Common causes include Faulty Ignition Main Relay, Ignition Main Relay harness is open or shorted, Ignition Main Relay circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B144A Chevrolet indicates Run Power Relay Circuit.
Common causes: Common causes include Faulty Ignition Main Relay, Ignition Main Relay harness is open or shorted, Ignition Main Relay circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 8,236

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 19, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B144A Chevrolet Description

The Body Control Module (BCM) feeds the ignition circuit by applying voltage when the ignition is in the ON position. The Diagnostic Trouble Code (DTC) will be set when the BCM detects a fault in the ignition run relay coil control circuit.

OBDII Code B144A Chevrolet - Run Power Relay Circuit - AutoCodes.com — B144A Chevrolet Code - Run Power Relay Circuit

What does this mean?

What are the Possible Causes of the DTC B144A Chevrolet?

Faulty Ignition Main Relay
Ignition Main Relay harness is open or shorted
Ignition Main Relay circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B144A Chevrolet?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B144A Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B144A Chevrolet code?

Need more information on how to fix the B144A Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B144A Chevrolet code diagnosed by a professional: Find a repair shop in your area

Information for Specific Chevrolet Models

B144A 2014 Chevrolet Silverado — Run Power Relay Circuit
B144A 2015 Chevrolet Silverado — Run Power Relay Circuit
B144A 2016 Chevrolet Silverado — Run Power Relay Circuit
B144A 2017 Chevrolet Silverado — Run Power Relay Circuit
B144A 2018 Chevrolet Silverado — Run Power Relay Circuit

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B144A Chevrolet Code

1. What are the common symptoms of OBDII code B144A in a Chevrolet related to the Run Power Relay Circuit?

The common symptoms include issues with starting the vehicle, sporadic stalling, and potential loss of power while driving.

2. What can cause the OBDII code B144A related to the Run Power Relay Circuit in a Chevrolet?

Possible causes include a faulty run power relay, damaged wiring or connectors in the circuit, or a malfunctioning powertrain control module (PCM).

3. How can I diagnose the OBDII code B144A in my Chevrolet?

You can diagnose the code by performing a thorough inspection of the run power relay, checking the wiring and connectors for any damage, and using a diagnostic scanner to retrieve specific trouble codes.

4. Can I still drive my Chevrolet with the OBDII code B144A related to the Run Power Relay Circuit?

It is not recommended to drive the vehicle with this code present, as it can lead to potential safety hazards or further damage to the vehicle's components.

5. What are some possible repair tips for fixing the OBDII code B144A in a Chevrolet?

Repair tips include replacing the run power relay if faulty, repairing any damaged wiring or connectors, and resetting the PCM to clear the trouble code.

6. Will resetting the PCM clear the OBDII code B144A related to the Run Power Relay Circuit in my Chevrolet?

Resetting the PCM may temporarily clear the code, but it is essential to address the underlying issue causing the code to prevent it from reoccurring.

7. How much does it typically cost to repair the OBDII code B144A in a Chevrolet?

The cost of repair can vary depending on the specific cause of the code, but it may range from $100 to $300 for parts and labor.

8. Can a DIY enthusiast fix the OBDII code B144A related to the Run Power Relay Circuit in a Chevrolet?

While some repairs may be feasible for DIY enthusiasts, diagnosing and fixing electrical issues like this code may require specialized knowledge and tools, so professional assistance is recommended.

9. Is it common for the OBDII code B144A related to the Run Power Relay Circuit to reoccur in a Chevrolet?

If the underlying issue causing the code is not properly addressed during repair, there is a possibility that the code may reoccur in the future.

10. Will driving my Chevrolet with the OBDII code B144A cause any long-term damage to the vehicle?

Continued driving with this code can potentially lead to long-term damage to the vehicle's electrical system or other related components, so it is best to address the issue promptly.