AutoCodes – Chevrolet – B144A 2017 Chevrolet Silverado

B144A 2017 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 2017 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 251

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 2017 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 2017 Chevrolet Silverado - Run Power Relay Circuit - AutoCodes.com — B144A 2017 Chevrolet Silverado Code - Run Power Relay Circuit

What does this mean?

What are the Possible Causes of the DTC B144A 2017 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 2017 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 2017 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 2017 Chevrolet Silverado code?

Need more information on how to fix the B144A 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B144A 2017 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 2017 Chevrolet Silverado Code

1. What does OBDII code B144A mean on a 2017 Chevrolet Silverado?

Code B144A indicates an issue with the Run Power Relay Circuit, which controls power distribution to various systems when the ignition is in the "Run" position.

2. What are common symptoms of code B144A in a 2017 Chevrolet Silverado?

Symptoms may include electrical components like the radio, HVAC system, or instrument cluster not functioning properly, intermittent power loss, or failure to start.

3. What causes the B144A code to appear?

This code can be triggered by a faulty Run Power Relay, damaged wiring or connectors, a blown fuse, or an issue with the Body Control Module (BCM).

4. How can I diagnose a B144A code in my 2017 Chevrolet Silverado?

Start by checking the Run Power Relay, inspecting fuses, and examining wiring and connectors for damage or corrosion. Use a scan tool to verify the code and monitor live data for inconsistencies.

5. Can a bad Run Power Relay cause a no-start condition in a 2017 Silverado?

Yes, a malfunctioning Run Power Relay can prevent power from reaching critical systems needed for starting the vehicle.

6. How do I fix the B144A code on my 2017 Chevrolet Silverado?

Repair involves replacing a faulty Run Power Relay, repairing any damaged wiring or connectors, and ensuring all fuses are intact. In some cases, the BCM may need reprogramming or replacement.

7. Is it safe to drive with a B144A code in my Silverado?

Driving with this code may lead to intermittent power issues, system malfunctions, or a potential no-start condition. Itâ€™s recommended to address the issue promptly.

8. How much does it cost to repair a B144A code on a 2017 Chevrolet Silverado?

The cost can vary widely depending on the root cause. Relay replacements typically cost $20-$50 for parts, while BCM repairs or replacements can exceed $500.

9. Can I clear the B144A code without fixing the issue?

Clearing the code without addressing the underlying problem will only temporarily remove it. The code is likely to reappear until the issue is resolved.

10. Do I need a professional mechanic to fix a B144A code?

While basic checks like inspecting fuses and relays can be done at home, diagnosing and repairing wiring or BCM issues may require professional expertise and specialized tools.