AutoCodes – Chevrolet – B144B 2014 Chevrolet Silverado

B144B 2014 Chevrolet Silverado Code - Run/Crank Power Relay Circuit

Quick Answer

The Body Control Module (BCM) controls the Ignition Main Relay (underhood) and the Ignition Main Relay (instrument panel left) through their control circuits by applying a voltage to the ignition run/crank relay coil control circuit. 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: B144B 2014 Chevrolet Silverado indicates Run/Crank 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 433

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 20, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B144B 2014 Chevrolet Silverado Description

The Body Control Module (BCM) controls the Ignition Main Relay (underhood) and the Ignition Main Relay (instrument panel left) through their control circuits by applying a voltage to the ignition run/crank relay coil control circuit. The Ignition Main Relay (underhood) and Ignition Main Relay (instrument panel left) are energized when the ignition switch is in the RUN or the CRANK position, or when a remote start is requested.
The Diagnostic Trouble Code (DTC) will be set when there is a fault in the Ignition Main Relay Circuit.

OBDII Code B144B 2014 Chevrolet Silverado - Run/Crank Power Relay Circuit - AutoCodes.com — B144B 2014 Chevrolet Silverado Code - Run/Crank Power Relay Circuit

What does this mean?

What are the Possible Causes of the DTC B144B 2014 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 B144B 2014 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 B144B 2014 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 B144B 2014 Chevrolet Silverado code?

Need more information on how to fix the B144B 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B144B 2014 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 B144B 2014 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code B144B on a 2014 Chevrolet Silverado?

The common symptoms of OBDII code B144B on a 2014 Chevrolet Silverado include issues with the run/crank power relay circuit, such as difficulty starting the vehicle, intermittent stalling, or the engine not turning over.

2. What causes the OBDII code B144B to appear on a 2014 Chevrolet Silverado?

The OBDII code B144B on a 2014 Chevrolet Silverado is typically triggered by faults in the run/crank power relay circuit, such as a malfunctioning relay, wiring issues, or a faulty powertrain control module (PCM).

3. How can I diagnose the run/crank power relay circuit issue causing OBDII code B144B on my 2014 Chevrolet Silverado?

To diagnose the run/crank power relay circuit issue causing OBDII code B144B on a 2014 Chevrolet Silverado, you can use a diagnostic scanner to check for trouble codes, inspect the relay and related wiring for damage, and perform continuity tests to identify any electrical faults.

4. Can I still drive my 2014 Chevrolet Silverado with OBDII code B144B present?

It is not recommended to drive your 2014 Chevrolet Silverado with OBDII code B144B present, as the run/crank power relay circuit issue can affect the vehicle's starting and running capabilities, potentially leading to unsafe driving conditions or further damage.

5. How do I repair the run/crank power relay circuit issue causing OBDII code B144B on my 2014 Chevrolet Silverado?

To repair the run/crank power relay circuit issue causing OBDII code B144B on a 2014 Chevrolet Silverado, you may need to replace the faulty relay, repair any damaged wiring, or reprogram the PCM if necessary. It is recommended to consult a professional mechanic for proper diagnosis and repair.

6. Is the OBDII code B144B a serious issue on a 2014 Chevrolet Silverado?

The OBDII code B144B indicating a run/crank power relay circuit issue on a 2014 Chevrolet Silverado should be addressed promptly to ensure the vehicle's proper functioning. Ignoring this issue can lead to starting problems and potential engine stalling.

7. How much does it typically cost to repair the run/crank power relay circuit issue causing OBDII code B144B on a 2014 Chevrolet Silverado?

The cost of repairing the run/crank power relay circuit issue causing OBDII code B144B on a 2014 Chevrolet Silverado can vary depending on the extent of the problem, parts needed for replacement, and labor charges. It is advisable to obtain quotes from reputable mechanics for an accurate estimate.

8. Can a DIY enthusiast fix the run/crank power relay circuit issue causing OBDII code B144B on a 2014 Chevrolet Silverado?

While some DIY enthusiasts may have the skills to diagnose and repair basic electrical issues like the run/crank power relay circuit problem causing OBDII code B144B on a 2014 Chevrolet Silverado, it is recommended to seek professional assistance for complex repairs to ensure proper resolution and safety.

9. Will resetting the OBDII system clear the B144B code on my 2014 Chevrolet Silverado?

Resetting the OBDII system may temporarily clear the B144B code on a 2014 Chevrolet Silverado, but if the underlying issue in the run/crank power relay circuit is not addressed, the code is likely to reappear. It is important to diagnose and fix the root cause of the problem for a permanent solution.

10. How can I prevent the recurrence of OBDII code B144B on my 2014 Chevrolet Silverado?

To prevent the recurrence of OBDII code B144B on a 2014 Chevrolet Silverado, regular maintenance checks, timely repairs of electrical components, and addressing any starting or stalling issues promptly can help maintain the health of the run/crank power relay circuit and prevent future occurrences of the code.