AutoCodes – GMC – B052D 2016 GMC Sierra

B052D 2016 GMC Sierra Code - Right Assist Step Switch Circuit

Quick Answer

The Assist Step Control (ASC) Module monitors the left and right signal circuit to the left and right assist step kick switch. Common causes include Faulty Right Assist Step Kick Switch, Right Assist Step Kick Switch harness is open or shorted, Right Assist Step Kick Switch 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: B052D 2016 GMC Sierra indicates Right Assist Step Switch Circuit.
Common causes: Common causes include Faulty Right Assist Step Kick Switch, Right Assist Step Kick Switch harness is open or shorted, Right Assist Step Kick Switch 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.

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Code Popularity 252

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 18, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B052D 2016 GMC Sierra Description

The Assist Step Control (ASC) Module monitors the left and right signal circuit to the left and right assist step kick switch. When the left or right kick switch is pressed, a ground path is provided to the signal circuit. The Diagnostic Trouble Code (DTC) will be set when the signal circuit is shorted to ground for longer than 40 s or the switch was pressed for longer than 40 s.

OBDII Code B052D 2016 GMC Sierra - Right Assist Step Switch Circuit - AutoCodes.com — B052D 2016 GMC Sierra Code - Right Assist Step Switch Circuit

What does this mean?

What are the Possible Causes of the DTC B052D 2016 GMC Sierra?

Faulty Right Assist Step Kick Switch
Right Assist Step Kick Switch harness is open or shorted
Right Assist Step Kick Switch circuit poor electrical connection
Faulty Assist Step Control (ASC) Module

How to Fix the DTC B052D 2016 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B052D 2016 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.

Need more information about the B052D 2016 GMC Sierra code?

Need more information on how to fix the B052D 2016 GMC Sierra code? Get Access to Factory Service Manuals

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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 B052D 2016 GMC Sierra Code

1. What does the OBDII code B052D mean on a 2016 GMC Sierra?

The B052D code indicates an issue with the right assist step switch circuit, which controls the power-retractable running boards.

2. What are the common symptoms of the B052D code in a GMC Sierra?

Symptoms include the right assist step not deploying or retracting properly, intermittent operation, or no response when the switch is activated.

3. What causes the B052D code to appear?

Common causes include a faulty assist step switch, damaged wiring or connectors in the circuit, or a malfunctioning control module.

4. Can a dirty or obstructed running board cause the B052D code?

No, physical obstructions or debris can affect running board movement but will not trigger the B052D code, which is solely related to the electrical circuit.

5. How do I diagnose the B052D code on my 2016 GMC Sierra?

Start by visually inspecting the wiring and connectors for damage or corrosion, then test the assist step switch and related circuits for continuity or voltage issues.

6. Is the B052D code a serious issue?

While it does not typically affect vehicle drivability, it can hinder the convenience and functionality of the retractable running boards.

7. Can I still use my GMC Sierra if the B052D code is active?

Yes, the truck is safe to drive, but the right assist step may not operate as intended, reducing accessibility.

8. How do you fix a B052D code on a GMC Sierra?

Repairs may involve replacing the right assist step switch, repairing damaged wiring, or updating/replacing the control module if necessary.

9. Can I clear the B052D code without fixing the issue?

You can clear the code with an OBDII scanner, but it will likely return if the underlying issue is not addressed.

10. How much does it cost to repair the B052D code on a GMC Sierra?

The cost varies depending on the specific issue but typically ranges from $50 to $300 for parts and labor, depending on whether the switch, wiring, or control module needs repair or replacement.