AutoCodes – Subaru – B2817 Subaru

B2817 Subaru Code - Brake Lamp

Quick Answer

The Diagnostic Trouble Code (DTC) sets when there is defective brake light relay, brake light switch or VDC. Common causes include Faulty Brake Light Relay, Faulty Brake Light Switch, Faulty Vehicle Dynamics Control (VDC). 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: B2817 Subaru indicates Brake Lamp.
Common causes: Common causes include Faulty Brake Light Relay, Faulty Brake Light Switch, Faulty Vehicle Dynamics Control (VDC).
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 1,343

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 13, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2817 Subaru Description

The Diagnostic Trouble Code (DTC) sets when there is defective brake light relay, brake light switch or VDC.

OBDII Code B2817 Subaru - Brake Lamp - AutoCodes.com — B2817 Subaru Code - Brake Lamp

What does this mean?

What are the Possible Causes of the DTC B2817 Subaru?

Faulty Brake Light Relay
Faulty Brake Light Switch
Faulty Vehicle Dynamics Control (VDC)

How to Fix the DTC B2817 Subaru?

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 B2817 Subaru 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 B2817 Subaru code?

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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 B2817 Subaru Code

1. What are the common symptoms of OBDII code B2817 in a Subaru related to the brake lamp?

When OBDII code B2817 triggers in a Subaru, you may notice that the brake lamp on the vehicle's dashboard remains illuminated.

2. What are the possible causes of OBDII code B2817 in a Subaru?

The most common cause of OBDII code B2817 in a Subaru is a malfunction in the brake lamp switch or its wiring.

3. How can I diagnose the issue related to OBDII code B2817 in my Subaru?

To diagnose the issue related to OBDII code B2817, you can start by checking the brake lamp switch for proper functionality and inspecting the wiring for any damage or loose connections.

4. Can I still drive my Subaru if OBDII code B2817 is triggered?

While you can still drive your Subaru with OBDII code B2817, it is recommended to address the issue promptly to ensure the brake lamp functions correctly for safety reasons.

5. Are there any simple repair tips for fixing OBDII code B2817 in a Subaru?

A common repair tip for OBDII code B2817 is to first check and adjust the brake lamp switch position as it may have become misaligned.

6. Is OBDII code B2817 in a Subaru a serious issue?

OBDII code B2817 in a Subaru is not a critical issue in terms of vehicle operation but should be addressed to ensure the brake lamp functions properly for safety on the road.

7. Can OBDII code B2817 in a Subaru be reset without fixing the underlying problem?

While you can reset OBDII code B2817 in a Subaru, it is recommended to fix the root cause of the issue to prevent the code from reoccurring.

8. How much does it typically cost to repair OBDII code B2817 in a Subaru?

The cost to repair OBDII code B2817 in a Subaru can vary depending on the exact cause of the issue, but it may involve a simple adjustment or replacement of the brake lamp switch.

9. Are there any recalls or technical service bulletins related to OBDII code B2817 in Subaru vehicles?

For specific information on recalls or technical service bulletins related to OBDII code B2817 in Subaru vehicles, it is recommended to check with a Subaru dealership or visit the manufacturer's website.

10. Can a DIY enthusiast fix OBDII code B2817 in a Subaru, or is it best left to professionals?

Depending on your level of expertise, DIY enthusiasts may be able to address OBDII code B2817 in a Subaru by following repair guides and using basic tools. However, if you are unsure, it is recommended to seek assistance from a professional mechanic.