AutoCodes – Chevrolet – B051D 2018 Chevrolet Silverado

B051D 2018 Chevrolet Silverado Code - Right Side Assist Step Position Sensor 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 Right Side Assist Step Motor, Right Side Assist Step Motor harness is open or shorted, Right 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
B051D 2018 Chevrolet Silverado indicates Right Side Assist Step Position Sensor Circuit.
Common causes
Common causes include Faulty Right Side Assist Step Motor, Right Side Assist Step Motor harness is open or shorted, Right 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 263
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 18, 2024
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Code B051D 2018 Chevrolet Silverado Description

The Assist Step Control (ASC) Module controls the running board actuators to extend or retract the running boards. Each actuator consists of an electric motor and a potentiometer. The module supplies a low reference and 10-volt reference source voltage to the potentiometer. The ASC control module monitors the voltage drop across the potentiometer on the position signal circuit. When the actuator shaft rotates, the voltage on the position signal circuit changes. The ASC control module supplies the actuator motor with a 12-volt control circuit and a ground control circuit. The ASC module controls the direction of the actuator by changing the polarity of the control circuits.
OBDII Code B051D 2018 Chevrolet Silverado - Right Side Assist Step Position Sensor Circuit - AutoCodes.com
B051D 2018 Chevrolet Silverado Code - Right Side Assist Step Position Sensor Circuit

What are the Possible Causes of the DTC B051D 2018 Chevrolet Silverado?

  • Faulty Right Side Assist Step Motor
  • Right Side Assist Step Motor harness is open or shorted
  • Right Side Assist Step Motor circuit poor electrical connection
  • Faulty Assist Step Control (ASC) Module

How to Fix the DTC B051D 2018 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B051D 2018 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 B051D 2018 Chevrolet Silverado code?

Need more information on how to fix the B051D 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B051D 2018 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code B051D on a 2018 Chevrolet Silverado?

The common symptoms of OBDII code B051D on a 2018 Chevrolet Silverado include malfunctioning or inoperative right side assist step position sensor, warning lights on the dashboard, and potential issues with the power running boards.

2. What does the OBDII code B051D indicate on a 2018 Chevrolet Silverado?

OBDII code B051D on a 2018 Chevrolet Silverado indicates a fault in the right side assist step position sensor circuit.

3. What are the possible causes of OBDII code B051D on a 2018 Chevrolet Silverado?

Possible causes of OBDII code B051D on a 2018 Chevrolet Silverado include damaged wiring or connectors, a faulty right side assist step position sensor, or issues with the control module.

4. How can I diagnose OBDII code B051D on a 2018 Chevrolet Silverado?

To diagnose OBDII code B051D on a 2018 Chevrolet Silverado, a thorough inspection of the right side assist step position sensor circuit, wiring, connectors, and sensor itself is recommended. Using a diagnostic scanner to read the trouble codes and test the components can help pinpoint the issue.

5. How can I repair OBDII code B051D on a 2018 Chevrolet Silverado?

Repairing OBDII code B051D on a 2018 Chevrolet Silverado may involve repairing or replacing damaged wiring or connectors, replacing the faulty right side assist step position sensor, or addressing any issues with the control module. It is recommended to follow the manufacturer's repair procedures.

6. Can I still drive my 2018 Chevrolet Silverado with OBDII code B051D present?

While it may be possible to drive the vehicle with OBDII code B051D present, it is not recommended as it can lead to further issues with the right side assist step system. It is best to address the problem promptly to ensure proper functioning of the system.

7. How important is it to fix OBDII code B051D on a 2018 Chevrolet Silverado?

It is important to fix OBDII code B051D on a 2018 Chevrolet Silverado to ensure the proper operation of the right side assist step system. Ignoring the issue can lead to safety concerns and potential damage to other components.

8. Can weather conditions affect OBDII code B051D on a 2018 Chevrolet Silverado?

Weather conditions such as extreme cold or moisture can potentially impact the right side assist step position sensor circuit, leading to issues that trigger OBDII code B051D on a 2018 Chevrolet Silverado. It is important to keep the components protected and well-maintained.

9. How long does it typically take to repair OBDII code B051D on a 2018 Chevrolet Silverado?

The time it takes to repair OBDII code B051D on a 2018 Chevrolet Silverado can vary depending on the specific issue and the expertise of the person performing the repair. It is recommended to consult a professional technician for an accurate estimate.

10. Can I reset OBDII code B051D on a 2018 Chevrolet Silverado myself?

Resetting OBDII code B051D on a 2018 Chevrolet Silverado may be possible by using a diagnostic scanner to clear the trouble codes. However, it is important to address the underlying issue causing the code to prevent it from reoccurring.

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