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Engine-Codes – Generic – B113A

B113A Code - Rear Audio Switch Stuck

Quick Answer

The B113A code indicates that the rear audio switch in the vehicle is stuck. Common causes include Faulty rear audio switch, Wiring issues in the audio system, Malfunctioning control module. 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
B113A indicates Rear Audio Switch Stuck.
Common causes
Common causes include Faulty rear audio switch, Wiring issues in the audio system, Malfunctioning control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code B113A Description

The B113A code indicates that the rear audio switch in the vehicle is stuck. This means that there is a malfunction in the switch that controls the audio settings for the rear speakers or entertainment system. The rear audio switch allows passengers in the back of the vehicle to control the volume, input sources, and other audio settings independently from the front controls. When this switch is stuck, it can lead to problems such as the rear speakers not working, the volume being stuck at a certain level, or the audio input not changing.

OBDII Code B113A - Rear Audio Switch Stuck
B113A Code - Rear Audio Switch Stuck

Common Causes of B113A

  1. Faulty rear audio switch
  2. Wiring issues in the audio system
  3. Malfunctioning control module
  4. Software glitch in the audio system
  5. Water damage or corrosion in the switch mechanism

Symptoms of B113A

  1. Rear speakers not producing sound
  2. Inability to adjust the volume for the rear audio system
  3. Audio input source stuck on a specific setting
  4. Rear audio controls unresponsive
  5. Error message on the audio system display

How to Fix B113A

  1. Begin by diagnosing the specific cause of the stuck rear audio switch using a diagnostic scanner to retrieve the fault codes.
  2. Check the wiring connections and harnesses for any damage or loose connections. Repair or replace any faulty wiring.
  3. Test the rear audio switch for proper functionality and replace it if necessary.
  4. Inspect the control module for any signs of malfunction and replace it if needed.
  5. Perform a software update on the audio system to address any glitches that may be causing the issue.

Cost to Fix B113A

The typical repair costs for addressing a rear audio switch stuck issue can range from $100 to $300, depending on the specific cause of the problem and the cost of parts and labor. It is important to note that the diagnosis time and labor rates at auto repair shops can vary, with most shops charging between $80 and $150 per hour. Rates may be higher at dealerships or in metropolitan areas, while independent shops may offer lower rates. It is recommended to inquire about local rates for a more accurate estimate.

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Code B113A Information for Specific Makes

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 B113A Code

1. What does the OBDII code B113A mean?

B113A indicates that the rear audio control switch is stuck or not functioning properly, often due to a mechanical or electrical fault.

2. What are the symptoms of a B113A code?

Common symptoms include unresponsive rear audio controls, stuck buttons, or a non-functional rear audio system.

3. What causes the rear audio switch to get stuck?

The main causes are dirt or debris in the switch, physical damage, wiring issues, or a malfunctioning control module.

4. Is the B113A code serious?

No, it is not critical and won’t affect vehicle performance, but it can be an annoyance for passengers wanting to use the rear audio controls.

5. Can I fix a B113A code myself?

Yes, you can try cleaning the switch or inspecting it for visible damage. If wiring or the module is the issue, professional help may be needed.

6. How do I diagnose the cause of the B113A code?

Start by inspecting the rear audio switch for physical damage or debris. Use a scan tool to check for related codes and test the wiring and connections.

7. Will clearing the B113A code fix the problem?

Clearing the code will reset the warning temporarily, but if the underlying issue isn’t resolved, the code will return.

8. How much does it cost to fix a B113A code?

Repair costs vary. Cleaning or replacing the switch may cost $50-$150, while wiring or module repairs can range from $200-$500.

9. Can I still use the vehicle with a B113A code?

Yes, the vehicle is safe to drive, but rear passengers may not be able to adjust audio settings.

10. How can I prevent the B113A code from occurring?

Keep the rear audio switch clean and avoid spilling liquids near it. Regularly check the system for wear or damage.

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