AutoCodes – Generic – B116A

B116A Code - Handset Microphone General Electrical Failure

Quick Answer

The Accessory Protocol Interface Module (APIM) monitors the Handset Microphone. Common causes include Faulty Handset Microphone, Handset Microphone harness is open or shorted, Handset Microphone circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: B116A indicates Handset Microphone General Electrical Failure.
Common causes: Common causes include Faulty Handset Microphone, Handset Microphone harness is open or shorted, Handset Microphone circuit poor electrical connection.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 3,418

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Basic DIY (1 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 19, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B116A Description

The Accessory Protocol Interface Module (APIM) monitors the Handset Microphone. The APIM sets the OBDII code when it detects a short to voltage, short to ground or an open on the microphone circuits.

OBDII Code B116A - Handset Microphone General Electrical Failure - AutoCodes.com — B116A Code - Handset Microphone General Electrical Failure

What does this mean?

What are the Possible Causes of the DTC B116A?

Faulty Handset Microphone
Handset Microphone harness is open or shorted
Handset Microphone circuit poor electrical connection
Faulty Accessory Protocol Interface Module (APIM)

How to Fix the DTC B116A?

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 B116A 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 B116A code?

Need more information on how to fix the B116A code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B116A code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B116A Ford — Handset Microphone General Electrical Failure
B116A Lincoln — Handset Microphone General Electrical Failure
B116A Mercury — Handset Microphone General Electrical Failure

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 B116A Code

1. What are the common symptoms of OBDII code B116A, Handset Microphone General Electrical Failure?

- Common symptoms include inoperative handset microphone, loss of voice recognition, and issues with hands-free calling.

2. What are the possible causes of OBDII code B116A?

- The code B116A can be caused by a faulty handset microphone, wiring issues, poor electrical connections, or a malfunctioning control module.

3. How can I diagnose the cause of OBDII code B116A?

- Diagnosing the code may involve inspecting the handset microphone and its connections, checking the wiring for damage, and using a scan tool to analyze the control module.

4. Can I repair OBDII code B116A on my own?

- If you have experience with automotive electrical systems, you may be able to repair the issue yourself by replacing the faulty handset microphone, repairing wiring, or fixing electrical connections.

5. Is it safe to continue driving with OBDII code B116A present?

- While the code may not affect the drivability of the vehicle, it is recommended to address the issue promptly to ensure the proper functioning of the hands-free calling system.

6. Will resetting the OBDII code B116A make it go away permanently?

- Resetting the code may temporarily clear the warning, but if the underlying issue is not addressed, the code is likely to reappear.

7. How much does it typically cost to repair OBDII code B116A at a mechanic?

- The cost of repair can vary depending on the specific cause of the issue, but it may range from $100 to $300, including parts and labor.

8. Can moisture or water exposure cause OBDII code B116A to trigger?

- Yes, exposure to moisture or water can lead to corrosion of electrical components, including the handset microphone, which may trigger the B116A fault code.

9. Is OBDII code B116A a common issue in specific vehicle makes or models?

- The B116A code can be more common in vehicles equipped with advanced hands-free communication systems, particularly in newer models with integrated voice recognition features.

10. How long does it typically take to repair OBDII code B116A?

- The repair time can vary depending on the exact cause of the issue and the accessibility of components, but it may take anywhere from 1 to 3 hours to complete the repair.