B051A 2016 GMC Sierra Code - Left Side Assist Step Motor Control Circuit
Quick Answer
The B051A diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to the Left Side Assist Step Motor Control Circuit. Common causes include Faulty left side assist step motor, Damaged wiring or connectors in the control circuit, Corrosion or poor connections in the circuit components. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- B051A 2016 GMC Sierra indicates Left Side Assist Step Motor Control Circuit.
- Common causes
- Common causes include Faulty left side assist step motor, Damaged wiring or connectors in the control circuit, Corrosion or poor connections in the circuit components.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
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Code B051A 2016 GMC Sierra Description
The B051A diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to the Left Side Assist Step Motor Control Circuit. This code indicates that there is a malfunction in the circuit responsible for controlling the motor that operates the left side assist step on the vehicle. The assist step motor allows for the automatic extension and retraction of the step, aiding in easier access to the vehicle for passengers. When this circuit malfunctions, it can lead to issues with the operation of the left side assist step, potentially causing inconvenience and safety concerns for passengers entering and exiting the vehicle.
Common Causes of B051A 2016 GMC Sierra
- Faulty left side assist step motor.
- Damaged wiring or connectors in the control circuit.
- Corrosion or poor connections in the circuit components.
- Issues with the control module responsible for the assist step motor.
- Electrical system malfunctions affecting the left side assist step circuit.
Symptoms of B051A 2016 GMC Sierra
- Left side assist step not extending or retracting properly.
- Unusual noises coming from the left side assist step motor.
- Warning light on the dashboard related to the assist step system.
- Inability to activate the left side assist step using the vehicle's controls.
How to Fix B051A 2016 GMC Sierra
- Begin by conducting a thorough inspection of the left side assist step motor control circuit, checking for any visible damage or loose connections.
- Use a multimeter to test the continuity of the wiring in the circuit, ensuring that there are no breaks or shorts.
- Inspect the left side assist step motor itself for any signs of malfunction, such as unusual noises or resistance when manually operating the step.
- If necessary, replace the left side assist step motor or any damaged wiring or connectors in the control circuit.
- Clear the DTC from the PCM memory using a diagnostic scan tool and test the left side assist step to ensure proper operation.
Cost to Fix B051A 2016 GMC Sierra
The cost of repairing the Left Side Assist Step Motor Control Circuit can vary depending on the specific issue causing the B051A DTC. In general, the parts required for this repair, such as a new assist step motor or wiring components, can range from $100 to $300. Labor costs at an auto repair shop typically range from $80 to $150 per hour, with the total repair time depending on the complexity of the issue. Therefore, the total repair cost for addressing the B051A code may range from $200 to $600 or more, including parts and labor. It's recommended to consult with a qualified mechanic or dealership for a more accurate estimate based on your vehicle's specific needs and location.
Tech Notes for B051A 2016 GMC Sierra
B051A:01 Left Side Assist Step Motor Control Circuit Short to Battery
B051A:02 Left Side Assist Step Motor Control Circuit Short to Ground
B051A:04 Left Side Assist Step Motor Control Circuit Open Circuit
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Frequently Asked Questions about B051A 2016 GMC Sierra Code
1. What are the common symptoms of OBDII code B051A in a 2016 GMC Sierra related to the Left Side Assist Step Motor Control Circuit?
- The common symptoms include inoperative left side assist step, erratic movement of the assist step, and illuminated warning lights on the dashboard.
2. What can cause the OBDII code B051A to appear in a 2016 GMC Sierra?
- The code B051A usually appears due to issues with the left side assist step motor or its control circuit, such as wiring faults, motor malfunctions, or control module failures.
3. How can I diagnose the cause of OBDII code B051A in my 2016 GMC Sierra?
- A thorough inspection of the left side assist step motor, wiring harness, and control module is recommended. Using a scan tool to retrieve specific error codes and testing the components for proper functionality can help pinpoint the issue.
4. Is it safe to drive my 2016 GMC Sierra with OBDII code B051A triggered?
- It is generally safe to drive the vehicle with this code, but the left side assist step may not function correctly. It is advisable to address the issue promptly to ensure proper operation of the assist step.
5. Can I repair OBDII code B051A in my 2016 GMC Sierra myself?
- Depending on your mechanical skills and access to tools, you may be able to repair the issue yourself by replacing faulty components like the left side assist step motor, wiring, or control module.
6. How much does it cost to repair OBDII code B051A in a 2016 GMC Sierra at a repair shop?
- The cost of repairing OBDII code B051A can vary depending on the exact cause of the issue and the labor rates of the repair shop. It is recommended to obtain quotes from different shops for an accurate estimate.
7. Are there any preventative maintenance tips to avoid OBDII code B051A in a 2016 GMC Sierra?
- Regularly inspecting the left side assist step components for any signs of wear or damage, ensuring proper wiring connections, and keeping the area clean can help prevent issues leading to code B051A.
8. Can the OBDII code B051A in a 2016 GMC Sierra be intermittent?
- Yes, the code B051A related to the Left Side Assist Step Motor Control Circuit can sometimes be intermittent, especially if the issue is wiring-related or due to loose connections.
9. Will resetting the OBDII system clear the B051A code in a 2016 GMC Sierra?
- Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the B051A code is not addressed, it is likely to reappear upon the next self-test cycle.
10. How long does it typically take to repair OBDII code B051A in a 2016 GMC Sierra?
- The repair time for addressing OBDII code B051A can vary depending on the exact cause of the issue, accessibility of components, and the technician's experience. In some cases, it may be resolved within a few hours, while more complex issues may take longer to diagnose and repair.
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