AutoCodes – Chevrolet – B051C 2014 Chevrolet Silverado

B051C 2014 Chevrolet Silverado Code - Left 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 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
B051C 2014 Chevrolet Silverado indicates Left Side Assist Step Position Sensor 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 334
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 13, 2022
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Code B051C 2014 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 B051C 2014 Chevrolet Silverado - Left Side Assist Step Position Sensor Circuit - AutoCodes.com
B051C 2014 Chevrolet Silverado Code - Left Side Assist Step Position Sensor Circuit

What are the Possible Causes of the DTC B051C 2014 Chevrolet Silverado?

  • 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 B051C 2014 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 B051C 2014 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 B051C 2014 Chevrolet Silverado code?

Need more information on how to fix the B051C 2014 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 B051C 2014 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code B051C in a 2014 Chevrolet Silverado?

The common symptoms of OBDII code B051C in a 2014 Chevrolet Silverado include issues with the left side assist step, such as it not deploying or retracting properly.

2. What does the OBDII code B051C indicate in a 2014 Chevrolet Silverado?

OBDII code B051C in a 2014 Chevrolet Silverado specifically refers to a fault in the left side assist step position sensor circuit.

3. What are the possible causes of OBDII code B051C in a 2014 Chevrolet Silverado?

Possible causes of OBDII code B051C in a 2014 Chevrolet Silverado include a faulty left side assist step position sensor, damaged wiring or connectors in the circuit, or a malfunctioning control module.

4. How can I diagnose the issue related to OBDII code B051C in my 2014 Chevrolet Silverado?

To diagnose the issue related to OBDII code B051C in a 2014 Chevrolet Silverado, you may need to inspect the left side assist step position sensor, check the wiring and connectors for any damage, and use a diagnostic scanner to retrieve specific fault codes.

5. Is it safe to drive my 2014 Chevrolet Silverado with OBDII code B051C?

It is generally not recommended to drive your 2014 Chevrolet Silverado with OBDII code B051C, as issues with the left side assist step can impact safety and functionality.

6. Can I repair OBDII code B051C in my 2014 Chevrolet Silverado myself?

Repairing OBDII code B051C in a 2014 Chevrolet Silverado may require specialized knowledge and tools. It is recommended to consult a professional mechanic for proper diagnosis and repair.

7. How much does it cost to fix OBDII code B051C in a 2014 Chevrolet Silverado?

The cost of fixing OBDII code B051C in a 2014 Chevrolet Silverado can vary depending on the specific issue causing the fault. It is best to get a diagnostic from a mechanic to determine the exact repair cost.

8. Can resetting the OBDII system clear the B051C code in my 2014 Chevrolet Silverado?

Resetting the OBDII system may temporarily clear the B051C code in a 2014 Chevrolet Silverado, but if the underlying issue is not addressed, the code is likely to reappear.

9. What precautions should I take when working on the left side assist step position sensor circuit in my 2014 Chevrolet Silverado?

When working on the left side assist step position sensor circuit in a 2014 Chevrolet Silverado, it is important to disconnect the battery, follow proper safety procedures, and handle electrical components with care to avoid any risks.

10. Are there any recalls or technical service bulletins related to OBDII code B051C in a 2014 Chevrolet Silverado?

It is recommended to check with a Chevrolet dealership or online resources for any recalls or technical service bulletins related to OBDII code B051C in a 2014 Chevrolet Silverado to see if there are known issues or solutions provided by the manufacturer.

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