AutoCodes – Generic – B28B6

B28B6 Code - Stereo Camera Pre-Collision Off Switch

Quick Answer

The Diagnostic Trouble Code (DTC) is set when the pre-collision brake OFF switch circuit is not installed, open-circuited or is stuck to ON. Common causes include Faulty Pre-Collision Off Switch, Pre-Collision Off Switch harness is open or shorted, Pre-Collision Off 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: B28B6 indicates Stereo Camera Pre-Collision Off Switch.
Common causes: Common causes include Faulty Pre-Collision Off Switch, Pre-Collision Off Switch harness is open or shorted, Pre-Collision Off 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 1,365

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 19, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B28B6 Description

The Diagnostic Trouble Code (DTC) is set when the pre-collision brake OFF switch circuit is not installed, open-circuited or is stuck to ON.

OBDII Code B28B6 - Stereo Camera Pre-Collision Off Switch - AutoCodes.com — B28B6 Code - Stereo Camera Pre-Collision Off Switch

What does this mean?

What are the Possible Causes of the DTC B28B6?

Faulty Pre-Collision Off Switch
Pre-Collision Off Switch harness is open or shorted
Pre-Collision Off Switch circuit poor electrical connection

How to Fix the DTC B28B6?

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 B28B6 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 B28B6 code?

Need more information on how to fix the B28B6 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B28B6 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B28B6 Subaru — Stereo Camera Pre-Collision Off Switch

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 B28B6 Code

1. What does the OBDII code B28B6 mean?

The B28B6 code refers to a fault with the Stereo Camera Pre-Collision Off Switch, indicating an issue with the switch or its circuitry in the pre-collision system.

2. What are the symptoms of the B28B6 code?

Common symptoms include the pre-collision system being disabled, a warning light on the dashboard, or the inability to turn the pre-collision system on or off.

3. What causes the B28B6 code to appear?

Potential causes include a faulty Stereo Camera Pre-Collision Off Switch, damaged wiring or connectors, or issues with the pre-collision system control module.

4. How is the B28B6 code diagnosed?

A technician will use a scan tool to confirm the code, inspect the switch and its wiring for damage, and test the functionality of the circuit and related components.

5. Can I drive with the B28B6 code active?

While the vehicle may still be drivable, the pre-collision system may not function properly, which could increase the risk of an accident in certain situations.

6. How do I fix the B28B6 code?

Repairs may include replacing the Stereo Camera Pre-Collision Off Switch, repairing or replacing damaged wiring or connectors, or reprogramming/updating the control module if necessary.

7. How much does it cost to fix the B28B6 code?

Repair costs can vary but may range from $100 to $300 depending on whether the switch, wiring, or module needs attention.

8. Can a faulty Stereo Camera Pre-Collision Off Switch trigger other codes?

Yes, related codes such as those indicating pre-collision system faults or communication errors may also be triggered.

9. How can I prevent the B28B6 code from recurring?

Regularly inspect the switch and its wiring for damage, ensure proper maintenance of the pre-collision system, and address any warning lights promptly.

10. Is the B28B6 code specific to certain car brands?

This code is typically associated with vehicles that use a stereo camera-based pre-collision system, commonly found in some Toyota and Subaru models. Check your vehicle's manual for specifics.