B144B 2015 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 2015 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.
Code B144B 2015 Chevrolet Silverado Description
The Diagnostic Trouble Code (DTC) will be set when there is a fault in the Ignition Main Relay Circuit.
What are the Possible Causes of the DTC B144B 2015 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 2015 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 2015 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 2015 Chevrolet Silverado code?
Need more information on how to fix the B144B 2015 Chevrolet Silverado code? Get Access to Factory Service Manuals
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Frequently Asked Questions about B144B 2015 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code B144B on a 2015 Chevrolet Silverado?
- Common symptoms include issues with the run/crank power relay circuit, such as difficulty starting the vehicle or intermittent power loss.
2. What could cause the OBDII code B144B to appear on a 2015 Chevrolet Silverado?
- The code B144B may be triggered by a faulty run/crank power relay, damaged wiring in the circuit, or a malfunctioning powertrain control module (PCM).
3. How can I diagnose the run/crank power relay circuit issue on my 2015 Chevrolet Silverado?
- To diagnose the problem, you can use a diagnostic scanner to read the OBDII code B144B, check the run/crank power relay for proper functioning, and inspect the circuit for any visible damage.
4. Can I still drive my 2015 Chevrolet Silverado with the OBDII code B144B present?
- It is not recommended to drive the vehicle with the B144B code active, as it can lead to potential starting or power issues while on the road.
5. What are some repair tips for fixing the run/crank power relay circuit on a 2015 Chevrolet Silverado?
- Repair tips include replacing the faulty run/crank power relay, repairing any damaged wiring in the circuit, and ensuring proper connections to the PCM.
6. How much does it typically cost to repair the OBDII code B144B on a 2015 Chevrolet Silverado?
- The cost of repairing the B144B code can vary depending on the specific issue, but it may range from $100 to $300 for parts and labor.
7. Can a DIY enthusiast fix the OBDII code B144B issue on a 2015 Chevrolet Silverado?
- While some DIY enthusiasts may be able to diagnose and repair the run/crank power relay circuit problem, it is recommended to consult a professional mechanic for accurate diagnosis and repair.
8. Will resetting the OBDII code B144B on a 2015 Chevrolet Silverado make it go away permanently?
- Resetting the code may temporarily clear the error, but if the underlying issue with the run/crank power relay circuit is not fixed, the code is likely to reappear.
9. How urgent is it to address the OBDII code B144B on a 2015 Chevrolet Silverado?
- It is advisable to address the B144B code promptly to prevent potential starting or power-related issues that could affect the vehicle's performance and safety.
10. Are there any recalls or technical service bulletins related to the OBDII code B144B on a 2015 Chevrolet Silverado?
- To check for any recalls or technical service bulletins related to the B144B code, it is recommended to contact a Chevrolet dealership or visit the manufacturer's website for the latest information.
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