B051A 2017 GMC Sierra Code - Left Side Assist Step Motor Control Circuit
Quick Answer
The Assist Step Control (ASC) Module controls the running board actuators to extend or retract the running boards. Common causes include Faulty Left Side Assist Step Motor, Left Side Assist Step Motor harness is open or shorted, Left Side Assist Step Motor circuit poor electrical connection. 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 Faulty Left Side Assist Step Motor, Left Side Assist Step Motor harness is open or shorted, Left Side Assist Step Motor circuit poor electrical connection.
- 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.
Code B051A 2017 GMC Sierra Description
What are the Possible Causes of the DTC B051A 2017 GMC Sierra?
- Faulty Left Side Assist Step Motor
- Left Side Assist Step Motor harness is open or shorted
- Left Side Assist Step Motor circuit poor electrical connection
- Faulty Assist Step Control (ASC) Module
How to Fix the DTC B051A 2017 GMC Sierra?
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.
Code Tech Notes
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
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B051A 2017 GMC Sierra 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.
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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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