B144B 2016 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 2016 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 2016 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 2016 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 2016 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 2016 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 2016 Chevrolet Silverado code?
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Frequently Asked Questions about B144B 2016 Chevrolet Silverado Code
1. What does the OBDII code B144B mean on a 2016 Chevrolet Silverado?
The B144B code indicates a fault in the Run/Crank Power Relay Circuit, which is responsible for providing power to key systems during the start and run phases.
2. What are the symptoms of the B144B code on a 2016 Chevrolet Silverado?
Common symptoms include the engine not starting, intermittent starting issues, or electrical components not functioning properly during ignition.
3. What causes the B144B code to appear on a 2016 Chevrolet Silverado?
Possible causes include a faulty Run/Crank Power Relay, damaged wiring or connectors in the relay circuit, or a malfunctioning Body Control Module (BCM).
4. How do I diagnose the B144B code on a 2016 Chevrolet Silverado?
Start by checking the Run/Crank Power Relay for proper operation, inspect wiring and connectors for damage or corrosion, and test the BCM for faults.
5. Can a bad battery cause the B144B code on a 2016 Chevrolet Silverado?
Yes, a weak or failing battery can lead to insufficient power delivery, potentially triggering this code.
6. How do I fix the B144B code on a 2016 Chevrolet Silverado?
The fix may involve replacing the Run/Crank Power Relay, repairing damaged wiring, or reprogramming or replacing the BCM if necessary.
7. Is the B144B code related to the starter motor on a 2016 Chevrolet Silverado?
While the starter motor itself is not directly related, issues in the Run/Crank Power Relay Circuit can prevent power from reaching the starter motor, causing starting issues.
8. Can I drive with the B144B code on my 2016 Chevrolet Silverado?
Driving may be possible if the issue is intermittent, but it’s not recommended as the problem could worsen and leave you stranded.
9. How much does it cost to repair the B144B code on a 2016 Chevrolet Silverado?
Repair costs can vary, but replacing a relay typically costs $20-$50 for parts, while BCM repairs or replacements can range from $300-$800, depending on labor and programming fees.
10. How do I prevent the B144B code from recurring on my 2016 Chevrolet Silverado?
Regularly inspect and maintain the vehicle’s electrical system, including the relay, wiring, and battery, to prevent future issues.
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