B051A 2017 GMC Sierra Code - Left Side Assist Step Motor Control Circuit
Quick Answer
The B051A diagnostic trouble code (DTC) for a 2017 GMC Sierra relates to the Left Side Assist Step Motor Control Circuit. Common causes include Damaged wiring in the assist step motor circuit, Loose or corroded electrical connections, Faulty left side assist step motor. 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 2017 GMC Sierra indicates Left Side Assist Step Motor Control Circuit.
- Common causes
- Common causes include Damaged wiring in the assist step motor circuit, Loose or corroded electrical connections, Faulty left side assist step motor.
- 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 2017 GMC Sierra Description
The B051A diagnostic trouble code (DTC) for a 2017 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 is a component that extends and retracts the step to assist passengers in entering and exiting the vehicle. When this circuit malfunctions, it can lead to issues with the operation of the assist step, potentially causing inconvenience and safety concerns for passengers.
Common Causes of B051A 2017 GMC Sierra
- Damaged wiring in the assist step motor circuit
- Loose or corroded electrical connections
- Faulty left side assist step motor
- Malfunctioning control module
- Water or debris intrusion affecting the circuit
Symptoms of B051A 2017 GMC Sierra
- Inoperable left side assist step
- Assist step extends or retracts intermittently
- Unusual noises coming from the assist step motor
- Warning light on the dashboard related to the assist step
How to Fix B051A 2017 GMC Sierra
- Begin by inspecting the wiring and connectors in the left side assist step motor circuit for any damage or corrosion.
- Test the left side assist step motor to determine if it is functioning properly or needs replacement.
- Check the control module for any faults or errors that may be causing the circuit malfunction.
- Clear any debris or water intrusion that may be affecting the circuit.
- Repair or replace any damaged components as needed, then clear the DTC and test the assist step operation.
Cost to Fix B051A 2017 GMC Sierra
The typical repair costs for addressing the B051A code on a 2017 GMC Sierra can vary depending on the specific cause of the issue. In general, the cost of parts for this repair, including a new assist step motor or control module, can range from $200 to $500. Labor costs at an auto repair shop can add an additional $100 to $300 to the total repair bill. It's important to note that diagnosis time and labor rates can vary based on factors such as location, vehicle make and model, and the expertise of the technician. It's advisable to check with local auto repair shops for a more accurate estimate based on your specific circumstances.
Tech Notes for B051A 2017 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 2017 GMC Sierra Code
1. What are the common symptoms of OBDII code B051A in a 2017 GMC Sierra related to the Left Side Assist Step Motor Control Circuit?
The common symptoms include malfunctioning left side assist step, difficulty deploying or retracting the step, and potential warning lights on the dashboard.
2. What are the typical causes of OBDII code B051A in a 2017 GMC Sierra?
Common causes of this code can include wiring issues, a faulty assist step motor, damaged connectors, or a malfunctioning control module.
3. How can I diagnose the Left Side Assist Step Motor Control Circuit issue causing OBDII code B051A in my 2017 GMC Sierra?
Diagnosis involves checking the wiring for any damage, testing the motor for proper functionality, inspecting connectors for corrosion or looseness, and using a diagnostic scanner to read the code.
4. Is it safe to continue driving my 2017 GMC Sierra with OBDII code B051A related to the Left Side Assist Step Motor Control Circuit?
It is not recommended to drive the vehicle with this issue, as it can affect the functionality of the assist step and potentially lead to further damage.
5. Can I repair OBDII code B051A in my 2017 GMC Sierra related to the Left Side Assist Step Motor Control Circuit myself?
Depending on your expertise, you may be able to repair the issue yourself by addressing wiring issues, replacing the motor or control module, or fixing connector problems. However, professional assistance is recommended for accurate diagnosis and repair.
6. How much does it typically cost to repair OBDII code B051A in a 2017 GMC Sierra involving the Left Side Assist Step Motor Control Circuit?
The cost of repair can vary depending on the exact cause of the issue, but it may involve parts replacement, labor costs, and diagnostic fees. It's advisable to obtain quotes from different repair shops for a more accurate estimate.
7. Are there any preventative maintenance tips to avoid OBDII code B051A related to the Left Side Assist Step Motor Control Circuit in a 2017 GMC Sierra?
Regularly inspecting the wiring, connectors, and functionality of the assist step can help prevent this code from occurring. Keeping the components clean and free of debris can also contribute to avoiding issues.
8. Can a low battery voltage trigger OBDII code B051A in a 2017 GMC Sierra linked to the Left Side Assist Step Motor Control Circuit?
Yes, low battery voltage can potentially impact the operation of the assist step motor and trigger this code. Ensuring the battery is properly charged and in good condition is essential for optimal performance.
9. Will resetting the OBDII code B051A related to the Left Side Assist Step Motor Control Circuit in my 2017 GMC Sierra resolve the issue?
Simply resetting the code may clear the warning light temporarily, but it will not fix the underlying problem causing the code. Proper diagnosis and repair are necessary to address the issue effectively.
10. How long does it typically take to repair OBDII code B051A in a 2017 GMC Sierra tied to the Left Side Assist Step Motor Control Circuit?
The repair time can vary based on the exact cause of the problem and the complexity of the fix. It could range from a few hours to a full day, depending on the extent of the repair needed and the availability of parts.
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