AutoCodes – Ford – C111A Ford

C111A Ford Code - Right Stop Lamp Circuit

Quick Answer

The Body Control Module (BCM) monitors the Right Stop Lamp. Common causes include Faulty Right Stop Lamp, Right Stop Lamp harness is open or shorted, Right Stop Lamp 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
C111A Ford indicates Right Stop Lamp Circuit.
Common causes
Common causes include Faulty Right Stop Lamp, Right Stop Lamp harness is open or shorted, Right Stop Lamp 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 14,233
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 19, 2023
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Code C111A Ford Description

The Body Control Module (BCM) monitors the Right Stop Lamp. The Diagnostic Trouble Code (DTC) will be set when the Body Control Module detects that the Right Stop Lamp circuit is not to factory specifications.
OBDII Code C111A Ford - Right Stop Lamp Circuit - AutoCodes.com
C111A Ford Code - Right Stop Lamp Circuit

What are the Possible Causes of the DTC C111A Ford?

  • Faulty Right Stop Lamp
  • Right Stop Lamp harness is open or shorted
  • Right Stop Lamp circuit poor electrical connection
  • Faulty Stop Lamp Switch
  • Faulty Body Control Module (BCM)

How to Fix the DTC C111A Ford?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C111A Ford 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.

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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 C111A Ford Code

1. What are common symptoms of OBDII code C111A for the Right Stop Lamp Circuit in a Ford vehicle?

The common symptoms include the right stop lamp not functioning, brake light warning on the dashboard, and potential issues with the vehicle's brake system.

2. What are possible causes of OBDII code C111A in a Ford related to the Right Stop Lamp Circuit?

Possible causes include a faulty right stop lamp bulb, damaged wiring or connectors, a defective brake light switch, or issues with the vehicle's body control module.

3. How can I diagnose the OBDII code C111A for the Right Stop Lamp Circuit in my Ford?

You can start by visually inspecting the right stop lamp bulb, checking the wiring and connectors for any damage, testing the brake light switch for proper operation, and using an OBDII scanner to retrieve the specific fault code.

4. Can I still drive my Ford with the OBDII code C111A for the Right Stop Lamp Circuit illuminated?

It is not recommended to drive the vehicle with this issue unresolved, as it may pose a safety hazard due to the malfunctioning brake light. It is best to address the problem promptly.

5. How can I repair OBDII code C111A in my Ford related to the Right Stop Lamp Circuit?

Depending on the root cause, you may need to replace the right stop lamp bulb, repair any damaged wiring or connectors, replace the brake light switch, or seek professional assistance for diagnosing and fixing the issue.

6. Is it possible for a loose connection to trigger OBDII code C111A for the Right Stop Lamp Circuit in a Ford?

Yes, a loose or poor connection in the right stop lamp circuit can cause the code to trigger. Ensure all connections are secure and properly seated during diagnosis and repair.

7. Will resetting the OBDII code C111A for the Right Stop Lamp Circuit in my Ford make the issue go away permanently?

Resetting the code may temporarily turn off the warning light, but if the underlying issue is not addressed, the code is likely to reappear. It is crucial to identify and fix the root cause of the problem.

8. Can a malfunctioning turn signal affect the triggering of OBDII code C111A in a Ford related to the Right Stop Lamp Circuit?

Yes, a malfunctioning turn signal that shares wiring or components with the right stop lamp circuit can potentially impact the triggering of the code. It is advisable to check both systems for any related issues.

9. Are there any DIY tips for troubleshooting OBDII code C111A for the Right Stop Lamp Circuit in a Ford?

You can start by checking the right stop lamp bulb, inspecting the wiring visually, and ensuring the brake light switch is functioning correctly. However, for more complex issues, it is recommended to consult a professional mechanic.

10. How important is it to address OBDII code C111A for the Right Stop Lamp Circuit in a Ford promptly?

It is crucial to address this issue promptly as a malfunctioning right stop lamp can compromise road safety by affecting the visibility of your vehicle to other drivers. Ignoring the problem can lead to potential accidents.

1. What are the common symptoms of OBDII code C111A for the right stop lamp circuit in a Ford vehicle?

The common symptoms include a non-functioning right brake light, brake light staying on constantly, or a warning light on the dashboard indicating a brake light issue.

2. What are the possible causes of OBDII code C111A in a Ford related to the right stop lamp circuit?

Possible causes include a faulty right brake light bulb, a damaged wiring harness leading to the right brake light, a malfunctioning brake light switch, or a problem with the body control module.

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