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Engine-Codes – Mercury – B1130 Mercury

B1130 Mercury Code - Headlamp Switch Module

Quick Answer

The B1130 diagnostic trouble code (DTC) for Mercury vehicles specifically refers to an issue with the Headlamp Switch Module. Common causes include Faulty headlamp switch module, Wiring or electrical connection issues, Water or moisture damage to the headlamp switch 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
B1130 Mercury indicates Headlamp Switch Module.
Common causes
Common causes include Faulty headlamp switch module, Wiring or electrical connection issues, Water or moisture damage to the headlamp switch 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 17, 2024
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Code B1130 Mercury Description

The B1130 diagnostic trouble code (DTC) for Mercury vehicles specifically refers to an issue with the Headlamp Switch Module. This code indicates a problem with the module that controls the operation of the vehicle's headlamps. The headlamp switch module is a crucial component that allows the driver to turn the headlights on and off, as well as control other lighting functions such as high beams and fog lights.

OBDII Code B1130 Mercury - Headlamp Switch Module
B1130 Mercury Code - Headlamp Switch Module

Common Causes of B1130 Mercury

  1. Faulty headlamp switch module.
  2. Wiring or electrical connection issues.
  3. Water or moisture damage to the headlamp switch module.
  4. Corrosion on electrical connectors.
  5. General wear and tear on the headlamp switch module.

Symptoms of B1130 Mercury

  1. Headlights not turning on or off as expected.
  2. Flickering headlights while driving.
  3. Inability to switch between high beams and low beams.
  4. Dashboard warning light indicating a headlamp switch module issue.
  5. Fog lights or other lighting functions not working properly.

How to Fix B1130 Mercury

  1. Begin by diagnosing the specific cause of the B1130 code using a diagnostic scanner to pinpoint the issue with the headlamp switch module.
  2. Inspect the wiring and electrical connections related to the headlamp switch module for any damage or corrosion.
  3. If the headlamp switch module is found to be faulty, it will need to be replaced with a new one.
  4. Clear the DTC from the vehicle's computer system after the repair is completed to ensure the code does not reappear.
  5. Test the vehicle's lighting system to confirm that the issue has been resolved and that the headlamp switch module is functioning correctly.

Cost to Fix B1130 Mercury

The typical repair costs for addressing a B1130 code related to the headlamp switch module on a Mercury vehicle can vary depending on the specific model and year of the vehicle, as well as the labor rates in your area. On average, replacing a headlamp switch module can cost between $150 and $300 for parts and labor. It's important to consider that additional diagnostic time and labor costs may apply, so it's advisable to consult with a trusted auto repair shop for a more accurate estimate based on your vehicle's needs and location.

What does this mean?

Tech Notes for B1130 Mercury

B1130:07 Light Switch Module Mechanical Failure

B1130:83 Light Switch Module Value of Signal Protection Calculation Incorrect

B1130:87 Light Switch Module Missing message

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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 B1130 Mercury Code

1. What are the common symptoms of OBDII code B1130 in a Mercury related to the Headlamp Switch Module?

The common symptoms include malfunctioning headlamps, issues with the headlamp control, and warning lights on the dashboard.

2. What are the possible causes of OBDII code B1130 Mercury related to the Headlamp Switch Module?

The code B1130 can be triggered by a faulty headlamp switch module, wiring issues, or a malfunction in the headlamp circuit.

3. How can I diagnose the OBDII code B1130 in my Mercury with the Headlamp Switch Module issue?

Diagnosing the code involves using an OBDII scanner to read the fault codes, inspecting the headlamp switch module and its wiring, and checking the headlamp circuit for any issues.

4. What are the repair options for OBDII code B1130 related to the Headlamp Switch Module in a Mercury?

Repair options may include replacing the headlamp switch module, repairing any damaged wiring, or addressing any issues in the headlamp circuit.

5. Can I fix the OBDII code B1130 Mercury related to the Headlamp Switch Module issue on my own?

While some DIY enthusiasts may be able to address this issue, it is recommended to consult a professional mechanic or technician for an accurate diagnosis and repair.

6. Are there any safety concerns associated with the OBDII code B1130 Mercury related to the Headlamp Switch Module?

Malfunctioning headlamps can impact visibility while driving, posing a safety risk, so it is crucial to address this issue promptly.

7. How can I prevent the OBDII code B1130 related to the Headlamp Switch Module issue from occurring again in my Mercury?

Regular maintenance checks, ensuring proper functioning of the headlamp system, and addressing any electrical issues promptly can help prevent the recurrence of this problem.

8. Is it safe to drive my Mercury with the OBDII code B1130 related to the Headlamp Switch Module illuminated?

It is not advisable to drive the vehicle with malfunctioning headlamps, as it can compromise your safety and the safety of other road users. Address the issue as soon as possible.

9. Will resetting the OBDII system clear the B1130 code related to the Headlamp Switch Module in my Mercury?

Resetting the system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear. It is essential to diagnose and repair the problem properly.

10. How much does it typically cost to repair the OBDII code B1130 Mercury issue related to the Headlamp Switch Module?

The cost of repair can vary depending on the extent of the issue, the parts needed, and the labor involved. It is recommended to obtain a few quotes from reputable mechanics or service centers.

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