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Engine-Codes – Mercury – U0126 Mercury

U0126 Mercury Code - Lost Communication With Steering Angle Sensor Module

Quick Answer

The U0126 diagnostic trouble code (DTC) for Mercury vehicles indicates that there has been a communication failure with the Steering Angle Sensor Module. Common causes include Damaged wiring or connectors leading to the Steering Angle Sensor Module, Faulty Steering Angle Sensor Module, Corrosion or water damage affecting the sensor or 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
U0126 Mercury indicates Lost Communication With Steering Angle Sensor Module.
Common causes
Common causes include Damaged wiring or connectors leading to the Steering Angle Sensor Module, Faulty Steering Angle Sensor Module, Corrosion or water damage affecting the sensor or 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 Aug 19, 2024
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Code U0126 Mercury Description

The U0126 diagnostic trouble code (DTC) for Mercury vehicles indicates that there has been a communication failure with the Steering Angle Sensor Module. This module is responsible for monitoring the steering wheel angle and providing important data to various systems within the vehicle, such as the stability control system. When communication with this module is lost, it can lead to issues with the vehicle's stability control, traction control, and potentially impact the overall handling of the vehicle.

OBDII Code U0126 Mercury - Lost Communication With Steering Angle Sensor Module
U0126 Mercury Code - Lost Communication With Steering Angle Sensor Module

Common Causes of U0126 Mercury

  1. Damaged wiring or connectors leading to the Steering Angle Sensor Module
  2. Faulty Steering Angle Sensor Module
  3. Corrosion or water damage affecting the sensor or module
  4. Software issues or communication errors within the vehicle's network

Symptoms of U0126 Mercury

  1. Illumination of the traction control or stability control warning light on the dashboard
  2. Erratic behavior of the stability control system
  3. Difficulty steering or a lack of responsiveness in the steering wheel
  4. Inaccurate readings on the vehicle's display related to steering angle

How to Fix U0126 Mercury

  1. Begin by conducting a thorough inspection of the wiring and connectors leading to the Steering Angle Sensor Module.
  2. Check for any signs of damage, corrosion, or loose connections that may be causing the communication failure.
  3. If no issues are found with the wiring, proceed to test the Steering Angle Sensor Module itself for faults.
  4. Replace the sensor or module if it is determined to be faulty.
  5. Clear the DTC and perform a test drive to ensure that the issue has been resolved.

Cost to Fix U0126 Mercury

The cost of repairing a U0126 code for a Mercury vehicle can vary depending on the specific cause of the issue and the labor rates in your area. In general, you can expect to pay anywhere from $200 to $500 for parts and labor. Keep in mind that rates at dealerships or in metropolitan areas may be higher, while independent shops may offer more competitive pricing. It is advisable to obtain quotes from multiple auto repair shops to find the best deal for your specific situation.

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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 U0126 Mercury Code

1. What are the common symptoms of OBDII code U0126 in a Mercury vehicle?

- Common symptoms include the loss of power steering assistance, warning lights on the dashboard, and potential steering issues.

2. What does the U0126 code "Lost Communication With Steering Angle Sensor Module" mean in a Mercury car?

- This code indicates that the vehicle's onboard computer is unable to communicate with the steering angle sensor module, which is crucial for proper steering operation.

3. What are some possible causes of the U0126 code in a Mercury vehicle?

- Possible causes include a faulty steering angle sensor module, damaged wiring or connectors, a blown fuse, or issues with the vehicle's computer system.

4. How can I diagnose the U0126 code in my Mercury car?

- Diagnosis typically involves using a professional OBDII scanner to read the code, checking the wiring and connections to the steering angle sensor module, and testing the module itself for proper functioning.

5. Is it safe to drive my Mercury car with the U0126 code present?

- It is not recommended to drive the vehicle with the U0126 code active, as it can affect the steering system's performance and potentially compromise safety.

6. Can I repair the U0126 code in my Mercury vehicle myself?

- While some basic checks like inspecting wiring and connectors can be done by DIY enthusiasts, diagnosing and repairing the root cause of the code may require professional help due to the complexity of the steering angle sensor system.

7. How much does it typically cost to repair the U0126 code in a Mercury car?

- The cost of repair can vary depending on the exact cause of the code and labor rates in your area, but it may involve replacing the steering angle sensor module, repairing wiring, or addressing other related issues.

8. Will resetting the OBDII code U0126 in my Mercury vehicle make it go away permanently?

- Simply resetting the code may temporarily clear the warning lights, but if the underlying issue is not addressed, the code is likely to reappear once the system detects the communication problem again.

9. Is the U0126 code a common issue in Mercury vehicles?

- While not as common as some other OBDII codes, the U0126 code related to lost communication with the steering angle sensor module can occur in Mercury vehicles, especially in older models or those with electrical issues.

10. How can I prevent the U0126 code from occurring in my Mercury car in the future?

- Regular maintenance and inspections, addressing any warning lights promptly, and keeping the vehicle's electrical system in good condition can help prevent issues like the U0126 code from occurring.

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