Engine-CodesLincoln – B1115 Lincoln

B1115 Lincoln Code - High Mounted Stop Lamp Control Circuit

Quick Answer

The B1115 diagnostic trouble code for Lincoln vehicles refers to an issue with the High Mounted Stop Lamp Control Circuit. Common causes include Faulty high-mounted stop lamp bulb, Wiring issues in the high-mounted stop lamp circuit, Defective brake light switch. 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
B1115 Lincoln indicates High Mounted Stop Lamp Control Circuit.
Common causes
Common causes include Faulty high-mounted stop lamp bulb, Wiring issues in the high-mounted stop lamp circuit, Defective brake light switch.
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.
Table of contents Created and updated by William Orellana on Aug 19, 2024
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Code B1115 Lincoln Description

The B1115 diagnostic trouble code for Lincoln vehicles refers to an issue with the High Mounted Stop Lamp Control Circuit. This code indicates that there is a malfunction in the circuit that controls the high-mounted stop lamp, which is the brake light located at the top of the rear of the vehicle. The high-mounted stop lamp is an important safety feature as it provides additional visibility to drivers behind the vehicle when the brakes are applied.

OBDII Code B1115 Lincoln - High Mounted Stop Lamp Control Circuit
B1115 Lincoln Code - High Mounted Stop Lamp Control Circuit

Common Causes of B1115 Lincoln

  1. Faulty high-mounted stop lamp bulb
  2. Wiring issues in the high-mounted stop lamp circuit
  3. Defective brake light switch
  4. Corrosion or loose connections in the circuit
  5. Electronic control module (ECM) malfunction

Symptoms of B1115 Lincoln

  1. High-mounted stop lamp not illuminating when brakes are applied
  2. Warning light on the dashboard indicating a brake light issue
  3. Vehicle failing a safety inspection due to brake light malfunction
  4. Other brake lights working properly while the high-mounted stop lamp remains inactive

How to Fix B1115 Lincoln

  1. Inspect the high-mounted stop lamp bulb and replace if necessary
  2. Check the wiring in the high-mounted stop lamp circuit for any damage or corrosion, repair or replace as needed
  3. Test the brake light switch and replace if faulty
  4. Inspect and clean any corroded or loose connections in the circuit
  5. If the issue persists, diagnose and repair any problems with the electronic control module (ECM)

Cost to Fix B1115 Lincoln

The cost of repairing a high-mounted stop lamp control circuit issue can vary depending on the exact cause of the problem and the labor rates at the auto repair shop. On average, the cost of parts for this repair can range from $50 to $150, with labor costs adding an additional $50 to $100 per hour. Overall, the total repair cost for this issue may fall between $100 and $300, but it's recommended to get a personalized estimate from a local auto repair shop.

Tech Notes for B1115 Lincoln

B1115:11 High Mounted Stop Lamp Control: Circuit Short to Ground
B1115:15 High Mounted Stop Lamp Control: Circuit Short to Battery or Open

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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 B1115 Lincoln Code

1. What are common symptoms of OBDII code B1115 in a Lincoln related to the High Mounted Stop Lamp Control Circuit?

- Common symptoms include the high-mounted stop lamp not working, the brake lights not functioning properly, or a dashboard warning light indicating an issue.

2. What are possible causes of OBDII code B1115 in a Lincoln affecting the High Mounted Stop Lamp Control Circuit?

- Possible causes may include a faulty high-mounted stop lamp assembly, a damaged wiring harness, a blown fuse, or a malfunctioning stop lamp control module.

3. How can I diagnose the High Mounted Stop Lamp Control Circuit issue causing OBDII code B1115 in my Lincoln?

- You can start by visually inspecting the high-mounted stop lamp and its wiring for any visible damage. Using a multimeter, you can check for continuity in the wiring and test the stop lamp control module for proper functionality.

4. Can a blown fuse be the reason behind OBDII code B1115 in a Lincoln related to the High Mounted Stop Lamp Control Circuit?

- Yes, a blown fuse in the circuit can result in the OBDII code B1115 being triggered. It's advisable to check and replace any blown fuses as part of the troubleshooting process.

5. Are there any repair tips for resolving OBDII code B1115 in a Lincoln associated with the High Mounted Stop Lamp Control Circuit?

- Repair tips include checking and repairing any damaged wiring, replacing a faulty high-mounted stop lamp assembly, ensuring proper grounding, and resetting the error code after repairs are completed.

6. Is it safe to continue driving my Lincoln with OBDII code B1115 indicating a High Mounted Stop Lamp Control Circuit issue?

- It is not recommended to drive with malfunctioning brake lights, including the high-mounted stop lamp, as it can compromise your safety on the road. Promptly address the issue to ensure proper brake light functionality.

7. Can a DIY enthusiast with basic automotive knowledge fix OBDII code B1115 in a Lincoln related to the High Mounted Stop Lamp Control Circuit?

- Depending on the specific cause, a DIY enthusiast with basic automotive knowledge may be able to address the issue by inspecting wiring, replacing components, and resetting the error code. However, professional help may be needed for more complex issues.

8. How can I prevent OBDII code B1115 from recurring in my Lincoln after fixing the High Mounted Stop Lamp Control Circuit issue?

- To prevent the code from recurring, ensure all repairs are done correctly, use quality replacement parts, and conduct periodic checks on the high-mounted stop lamp and related components to catch any issues early.

9. Will resetting the error codes using an OBDII scanner resolve OBDII code B1115 in a Lincoln linked to the High Mounted Stop Lamp Control Circuit?

- Resetting the error codes after fixing the underlying issue is recommended to clear the code and turn off the warning light. However, if the root cause is not addressed, the code may reappear.

10. Should I seek professional help if I am unable to diagnose or repair OBDII code B1115 in my Lincoln regarding the High Mounted Stop Lamp Control Circuit?

- If you are unsure about diagnosing or repairing the issue causing OBDII code B1115, it's advisable to seek professional help from a certified mechanic or automotive technician to ensure the problem is properly resolved.

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