AutoCodes – Mazda – B13A6 Mazda

B13A6 Mazda Code - LDWS Switch Circuit Malfunction

Quick Answer

The Forward Sensing Camera (FSC) sets the OBDII code when it detects that Lane Departure Warning System (LDWS) switch is held pressed for 10 s or more. Common causes include Faulty LDWS Switch, LDWS Switch harness is open or shorted, LDWS 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: B13A6 Mazda indicates LDWS Switch Circuit Malfunction.
Common causes: Common causes include Faulty LDWS Switch, LDWS Switch harness is open or shorted, LDWS 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 2,341

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 Mar 28, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B13A6 Mazda Description

The Forward Sensing Camera (FSC) sets the OBDII code when it detects that Lane Departure Warning System (LDWS) switch is held pressed for 10 s or more.

OBDII Code B13A6 Mazda - LDWS Switch Circuit Malfunction - AutoCodes.com — B13A6 Mazda Code - LDWS Switch Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC B13A6 Mazda?

Faulty LDWS Switch
LDWS Switch harness is open or shorted
LDWS Switch circuit poor electrical connection
Faulty Forward Sensing Camera (FSC)

How to Fix the DTC B13A6 Mazda?

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 B13A6 Mazda 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 B13A6 Mazda code?

Need more information on how to fix the B13A6 Mazda code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B13A6 Mazda code diagnosed by a professional: Find a repair shop in your area

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 B13A6 Mazda Code

1. What are the common symptoms of OBDII code B13A6 in a Mazda related to LDWS Switch Circuit Malfunction?

- Common symptoms include the LDWS (Lane Departure Warning System) not functioning properly, warning lights on the dashboard, and error messages displayed.

2. What are some possible causes of the B13A6 code indicating LDWS Switch Circuit Malfunction in a Mazda?

- Possible causes may include a faulty LDWS switch, wiring issues in the LDWS circuit, a malfunctioning LDWS control module, or a poor connection.

3. How can I diagnose the LDWS Switch Circuit Malfunction causing the B13A6 code in my Mazda?

- To diagnose the issue, you can use an OBDII scanner to retrieve the specific trouble code, inspect the LDWS switch and wiring for damage, and test the LDWS control module for proper functionality.

4. Is it safe to continue driving my Mazda with the B13A6 code related to LDWS Switch Circuit Malfunction?

- While the vehicle should still be operational, it is recommended to address the issue promptly to ensure the LDWS system functions correctly for enhanced safety on the road.

5. Can I reset the B13A6 code for LDWS Switch Circuit Malfunction in my Mazda without fixing the underlying problem?

- Resetting the code without fixing the issue will likely result in the code reappearing once the system detects the fault again. It's best to address the root cause of the problem.

6. Are there any DIY repair tips for resolving the B13A6 code indicating LDWS Switch Circuit Malfunction in my Mazda?

- DIY repair tips may include checking and securing the LDWS switch connection, inspecting for damaged wires, and ensuring proper grounding in the LDWS circuit.

7. Do I need special tools to fix the LDWS Switch Circuit Malfunction causing the B13A6 code in my Mazda?

- While basic tools like a multimeter and electrical tape may be sufficient for some checks, specialized diagnostic tools and equipment may be needed for a more in-depth analysis and repair.

8. How much does it typically cost to repair the LDWS Switch Circuit Malfunction triggering the B13A6 code in a Mazda?

- The cost of repair can vary depending on the specific issue, parts needed, and labor rates. It is advisable to consult with a mechanic or dealership for an accurate estimate.

9. Can extreme weather conditions affect the LDWS Switch Circuit and trigger the B13A6 code in a Mazda?

- Yes, extreme weather conditions such as excessive heat or moisture can potentially impact the LDWS system components and lead to circuit malfunctions. Proper maintenance can help prevent such issues.

10. Will fixing the LDWS Switch Circuit Malfunction associated with the B13A6 code in my Mazda improve overall driving experience?

- Yes, resolving the LDWS circuit issue will restore the proper functioning of the Lane Departure Warning System, enhancing safety and potentially improving the driving experience in your Mazda.