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B051B 2016 Chevrolet Silverado Code - Right Side Assist Step Motor Control Circuit

Quick Answer

The B051B diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado relates to the right side assist step motor control circuit. Common causes include Faulty right side assist step motor, Wiring issues in the control circuit, Malfunctioning control module. 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
B051B 2016 Chevrolet Silverado indicates Right Side Assist Step Motor Control Circuit.
Common causes
Common causes include Faulty right side assist step motor, Wiring issues in the control circuit, Malfunctioning control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code B051B 2016 Chevrolet Silverado Description

The B051B diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado relates to the right 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 right side assist step on the vehicle. The assist step motor is a component that extends or retracts the step to assist passengers in entering or exiting the vehicle more easily. When this circuit malfunctions, it can lead to issues with the proper operation of the assist step, potentially causing inconvenience and safety concerns for passengers.

OBDII Code B051B 2016 Chevrolet Silverado - Right Side Assist Step Motor Control Circuit
B051B 2016 Chevrolet Silverado Code - Right Side Assist Step Motor Control Circuit

Common Causes of B051B 2016 Chevrolet Silverado

  1. Faulty right side assist step motor
  2. Wiring issues in the control circuit
  3. Malfunctioning control module
  4. Poor electrical connections
  5. Water or debris intrusion affecting the circuit

Symptoms of B051B 2016 Chevrolet Silverado

  1. Inoperable right side assist step
  2. Unusual noises coming from the assist step motor
  3. Warning light on the dashboard indicating a problem with the assist step
  4. Difficulty in entering or exiting the vehicle due to the non-functioning assist step

How to Fix B051B 2016 Chevrolet Silverado

  1. Begin by conducting a visual inspection of the wiring and connections related to the right side assist step motor control circuit.
  2. Use a multimeter to test the voltage and resistance in the circuit to pinpoint the source of the issue.
  3. Replace the right side assist step motor if it is found to be faulty.
  4. Repair or replace any damaged wiring or connectors in the circuit.
  5. Reset the PCM and clear the DTC to see if the issue has been resolved.

Cost to Fix B051B 2016 Chevrolet Silverado

The cost of repairing the right side assist step motor control circuit can vary depending on the specific cause of the issue and the labor rates in your area. Generally, you can expect to pay anywhere from $150 to $500 for parts and labor. Keep in mind that rates at auto repair shops can fluctuate based on location, vehicle make and model, and the expertise of the technicians. It's recommended to obtain quotes from multiple shops to ensure you receive a fair price for the repair.

What does this mean?

Tech Notes for B051B 2016 Chevrolet Silverado

B051B:0B Right Side Assist Step Motor Control Circuit Current Above Threshold

B051B:01 Right Side Assist Step Motor Control Circuit Short to Battery

B051B:02 Right Side Assist Step Motor Control Circuit Short to Ground

B051B:04 Right Side Assist Step Motor Control Circuit Open Circuit

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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 B051B 2016 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code B051B in a 2016 Chevrolet Silverado?

- Common symptoms include malfunctioning or non-operational right-side assist step motor, difficulty extending or retracting the assist step, and potential warning lights on the dashboard.

2. What can cause the OBDII code B051B to trigger in a 2016 Chevrolet Silverado?

- The code B051B typically triggers due to issues with the right side assist step motor control circuit, such as wiring faults, a malfunctioning control module, or a defective assist step motor.

3. How can I diagnose the cause of OBDII code B051B in my 2016 Chevrolet Silverado?

- Diagnosis involves inspecting the wiring harness for damage, testing the control module and motor for proper functionality, and checking for any loose connections or corrosion in the circuit.

4. Can I still drive my 2016 Chevrolet Silverado with the OBDII code B051B present?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to ensure the proper functioning of the right-side assist step.

5. What are some repair tips for fixing OBDII code B051B in a 2016 Chevrolet Silverado?

- Repair tips include repairing or replacing damaged wiring, testing and replacing the control module or motor if necessary, and resetting the system after the repairs have been made.

6. How much does it typically cost to repair OBDII code B051B in a 2016 Chevrolet Silverado?

- The cost of repairs can vary depending on the specific issue causing the code, but it may involve labor costs for diagnosis and repair, as well as potential expenses for replacement parts.

7. Is the OBDII code B051B a common issue in 2016 Chevrolet Silverado vehicles?

- While not extremely common, issues with the right side assist step motor control circuit can occur in some 2016 Chevrolet Silverado vehicles, leading to the triggering of code B051B.

8. Can I reset the OBDII code B051B in my 2016 Chevrolet Silverado myself?

- You can attempt to reset the code using an OBDII scanner, but it is important to address the underlying issue causing the code to prevent it from reoccurring.

9. Will fixing OBDII code B051B improve the overall performance of my 2016 Chevrolet Silverado?

- Fixing the code B051B will restore the proper functioning of the right side assist step system, which can improve convenience and safety when entering or exiting the vehicle.

10. How can I prevent OBDII code B051B from occurring in my 2016 Chevrolet Silverado in the future?

- Regularly inspecting the assist step system, ensuring proper maintenance, and addressing any issues promptly can help prevent the recurrence of code B051B in your vehicle.

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