AutoCodes – Generic – B052D

B052D 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 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 354

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
Comments
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Code B052D 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 - Right Assist Step Switch Circuit - AutoCodes.com — B052D Code - Right Assist Step Switch Circuit

What does this mean?

What are the Possible Causes of the DTC B052D?

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?

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 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 code?

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Information for Specific Makes

B052D Buick — Right Assist Step Switch Circuit
B052D Cadillac — Right Assist Step Switch Circuit
B052D Chevrolet — Right Assist Step Switch Circuit
B052D GMC — Right Assist Step Switch Circuit

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.