AutoCodes – Generic – B2852

B2852 Code - Telescoping Column In Switch Shorted To Ground

Quick Answer

The Telescoping Steering Column Switch circuit provides an input to the Left (LH) Seat Control Module (SCM) when the switch is held closed in the in, button pressed toward driver, or out, button pressed toward I/P, position. Common causes include Faulty Telescoping Steering Column Switch, Telescoping Steering Column Switch harness is open or shorted, Telescoping Steering Column Switch circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B2852 indicates Telescoping Column In Switch Shorted To Ground.
Common causes: Common causes include Faulty Telescoping Steering Column Switch, Telescoping Steering Column Switch harness is open or shorted, Telescoping Steering Column Switch circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 602

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Feb 17, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2852 Description

The Telescoping Steering Column Switch circuit provides an input to the Left (LH) Seat Control Module (SCM) when the switch is held closed in the in, button pressed toward driver, or out, button pressed toward I/P, position. The SCM monitors a 12 volt signal applied to the steering column switch circuit. When the steering column switch is closed in the position, the column in 12 volt signal is grounded and pulled low within the SCM, indicating a column out request. The Diagnostic Trouble Code (DTC) sets when the steering column switch input, to the SCM, is active for more than 20 seconds.

OBDII Code B2852 - Telescoping Column In Switch Shorted To Ground - AutoCodes.com — B2852 Code - Telescoping Column In Switch Shorted To Ground

What does this mean?

What are the Possible Causes of the DTC B2852?

Faulty Telescoping Steering Column Switch
Telescoping Steering Column Switch harness is open or shorted
Telescoping Steering Column Switch circuit poor electrical connection
Faulty Seat Control Module (SCM)

How to Fix the DTC B2852?

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 B2852 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 B2852 code?

Need more information on how to fix the B2852 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2852 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2852 Buick — Telescoping Column In Switch Shorted To Ground
B2852 Cadillac — Telescoping Column In Switch Shorted To Ground
B2852 Chevrolet — Telescoping Column In Switch Shorted To Ground
B2852 GMC — Telescoping Column In Switch Shorted To Ground

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 B2852 Code

1. What does OBDII code B2852 mean?

B2852 indicates that the telescoping column in switch for the steering column is shorted to ground, often due to an electrical fault.

2. What are the common symptoms of code B2852?

The symptoms may include the steering column not adjusting telescopically, malfunctioning steering column controls, or an illuminated warning light on the dashboard.

3. What causes code B2852 to appear?

The code is typically caused by damaged wiring, a shorted switch, a faulty steering column control module, or a bad ground connection.

4. Can I drive my car with code B2852?

Yes, you can usually drive with this code, but the steering column adjustment may not work, which could affect driver comfort and safety.

5. How is code B2852 diagnosed?

A technician will inspect the wiring and connectors for damage, test the telescoping column in switch, and check for proper ground connections using a multimeter.

6. What repairs can fix code B2852?

Repairs may involve replacing the telescoping column in switch, repairing or replacing damaged wiring, or addressing any issues with the control module.

7. How much does it cost to fix code B2852?

The cost varies based on the specific repair needed but can range from $100 to $500, depending on labor and parts.

8. Can I fix code B2852 myself?

If you're comfortable working with vehicle electronics, you can inspect and repair wiring or replace the switch. However, it's best to consult a professional for accurate diagnosis and repair.

9. What tools are needed to troubleshoot code B2852?

You may need an OBDII scanner, a multimeter, and basic tools to inspect and repair wiring or replace components.

10. Does clearing the code fix the problem?

Clearing the code will reset the warning light, but it won't fix the underlying issue. The problem must be properly diagnosed and repaired to prevent the code from returning.