AutoCodes – Chevrolet – B144A 2018 Chevrolet Silverado

B144A 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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 331

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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado - Run Power Relay Circuit - AutoCodes.com — B144A 2018 Chevrolet Silverado Code - Run Power Relay Circuit

What does this mean?

What are the Possible Causes of the DTC B144A 2018 Chevrolet Silverado?

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 2018 Chevrolet Silverado?

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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado code?

Need more information on how to fix the B144A 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B144A 2018 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

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 2018 Chevrolet Silverado Code

1. What does OBDII code B144A indicate in a 2018 Chevrolet Silverado?

The B144A code in a 2018 Chevrolet Silverado refers to a problem in the Run Power Relay Circuit.

2. What are the common symptoms of OBDII code B144A in a 2018 Chevrolet Silverado?

Common symptoms of OBDII code B144A in a 2018 Chevrolet Silverado may include engine stalling, difficulty starting the vehicle, or intermittent power loss.

3. What are the possible causes of OBDII code B144A in a 2018 Chevrolet Silverado?

Possible causes of OBDII code B144A in a 2018 Chevrolet Silverado include a faulty relay, wiring issues, or a malfunctioning control module.

4. How can I diagnose the issue related to OBDII code B144A in my 2018 Chevrolet Silverado?

To diagnose the problem associated with OBDII code B144A in a 2018 Chevrolet Silverado, it is recommended to perform a thorough inspection of the relay, check the wiring for any damages, and use a diagnostic scanner to identify the exact cause.

5. Can I drive my 2018 Chevrolet Silverado with OBDII code B144A?

It is not advisable to drive your 2018 Chevrolet Silverado with OBDII code B144A, as it may lead to potential safety hazards or further damage to the vehicle.

6. How can I repair OBDII code B144A in my 2018 Chevrolet Silverado?

Repairing OBDII code B144A in a 2018 Chevrolet Silverado typically involves replacing the faulty relay, repairing any damaged wiring, or resetting the control module after addressing the underlying issue.

7. Is it necessary to reset the OBDII system after fixing OBDII code B144A in a 2018 Chevrolet Silverado?

Yes, it is recommended to reset the OBDII system after resolving OBDII code B144A in a 2018 Chevrolet Silverado to clear the error code and ensure that the issue has been successfully addressed.

8. Can a DIY enthusiast fix OBDII code B144A in a 2018 Chevrolet Silverado?

While some DIY enthusiasts may be able to tackle the repairs related to OBDII code B144A in a 2018 Chevrolet Silverado, it is advisable to seek professional help if you are not familiar with automotive electrical systems.

9. How much does it cost to repair OBDII code B144A in a 2018 Chevrolet Silverado?

The cost of repairing OBDII code B144A in a 2018 Chevrolet Silverado can vary depending on the exact cause of the issue, the extent of the repairs needed, and the labor rates at the repair facility.

10. What should I do if OBDII code B144A keeps coming back in my 2018 Chevrolet Silverado?

If OBDII code B144A keeps recurring in a 2018 Chevrolet Silverado after being reset or repaired, it may indicate a persistent issue that requires further diagnosis by a qualified mechanic to ensure a proper and lasting solution.