B144B 2017 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 2017 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 2017 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 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 B144B 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 B144B 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 B144B 2017 Chevrolet Silverado code?
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Frequently Asked Questions about B144B 2017 Chevrolet Silverado Code
1. What does OBDII code B144B for a 2017 Chevrolet Silverado indicate?
The B144B code specifically relates to the Run/Crank Power Relay Circuit in the vehicle.
2. What are some common symptoms of a Run/Crank Power Relay Circuit issue?
Common symptoms include difficulty starting the engine, stalling, or intermittent loss of power while driving.
3. What are the possible causes of the B144B trouble code in a 2017 Chevrolet Silverado?
Potential causes may include a faulty power relay, damaged wiring or connectors in the circuit, or a problem with the powertrain control module (PCM).
4. How can I diagnose a Run/Crank Power Relay Circuit problem in my Silverado?
Diagnosing this issue typically involves using a diagnostic scanner to retrieve the trouble codes, inspecting the relay and related components, and testing the circuit for proper voltage and continuity.
5. Can I continue driving my Silverado with the B144B trouble code present?
It is not recommended to drive the vehicle with this code active, as it can lead to potential safety hazards or further damage to the engine or electrical system.
6. Are there any simple repairs I can try for the Run/Crank Power Relay Circuit issue?
Simple repairs may include checking and tightening the relay connections, replacing a faulty relay, or repairing damaged wiring in the circuit.
7. Should I attempt to reset the B144B trouble code on my Silverado after making repairs?
After addressing the underlying issue causing the code, you can reset the code using an OBDII scanner to see if it reoccurs. This step helps verify if the repair was successful.
8. How much does it typically cost to repair a Run/Crank Power Relay Circuit problem in a Chevrolet Silverado?
The cost of repair can vary depending on the specific issue and whether you perform the repairs yourself or take your vehicle to a mechanic. Costs may range from a few dollars for a new relay to a couple of hundred dollars for more extensive repairs.
9. Can a DIY enthusiast fix a B144B code on a 2017 Chevrolet Silverado, or is it best left to professionals?
While some simple repairs can be done by a DIY enthusiast, diagnosing and fixing complex electrical issues like the Run/Crank Power Relay Circuit problem may be best left to experienced professionals.
10. How can I prevent the B144B code from appearing in my 2017 Chevrolet Silverado in the future?
Regular vehicle maintenance, including checking and replacing relays and inspecting wiring for damage, can help prevent issues like the Run/Crank Power Relay Circuit problem and potentially avoid triggering the B144B trouble code.
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