AutoCodes – Lincoln – U0129 Lincoln

U0129 Lincoln Code - Lost Communication With Brake System Control Module

Quick Answer

The Powertrain Control Module (PCM) continuously monitors the Controller Area Network (CAN) for messages from the Transmission Control Module (TCM). Common causes include Faulty Anti-Lock Brake System (ABS) Control Module, Anti-Lock Brake System (ABS) Control Module harness is open or shorted, Anti-Lock Brake System (ABS) Control Module 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
U0129 Lincoln indicates Lost Communication With Brake System Control Module.
Common causes
Common causes include Faulty Anti-Lock Brake System (ABS) Control Module, Anti-Lock Brake System (ABS) Control Module harness is open or shorted, Anti-Lock Brake System (ABS) Control Module 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.
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Code Popularity 1,658
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 30, 2020
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Code U0129 Lincoln Description

The Powertrain Control Module (PCM) continuously monitors the Controller Area Network (CAN) for messages from the Transmission Control Module (TCM). The U0415 code sets when the TCM fails to receive the Anti-Lock Brake System (ABS) Control Module message within the defined amount of time.
OBDII Code U0129 Lincoln - Lost Communication With Brake System Control Module - AutoCodes.com
U0129 Lincoln Code - Lost Communication With Brake System Control Module

What are the Possible Causes of the DTC U0129 Lincoln?

  • Faulty Anti-Lock Brake System (ABS) Control Module
  • Anti-Lock Brake System (ABS) Control Module harness is open or shorted
  • Anti-Lock Brake System (ABS) Control Module circuit poor electrical connection

How to Fix the DTC U0129 Lincoln?

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 U0129 Lincoln 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 U0129 Lincoln code?

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Need Help with the Code?

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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 U0129 Lincoln Code

1. What are the common symptoms of OBDII code U0129 in a Lincoln related to the lost communication with the brake system control module?

- Common symptoms include the ABS warning light coming on, loss of communication with the brake system, and potential issues with the vehicle's braking system.

2. What are some possible causes of the U0129 code in a Lincoln?

- Possible causes may include a faulty brake system control module, damaged wiring or connectors, a drained or weak battery, or issues with the vehicle's communication network.

3. How can I diagnose the U0129 code in my Lincoln?

- Diagnosing the U0129 code involves using an OBDII scanner to retrieve the code, checking for other related codes, inspecting the brake system control module and associated wiring, and testing the vehicle's communication network.

4. Can I continue driving my Lincoln with the U0129 code present?

- It is not recommended to drive your vehicle with the U0129 code present, as it indicates a potential issue with the brake system control module that can affect the vehicle's braking performance and safety.

5. How can I repair the U0129 code in my Lincoln?

- Repairing the U0129 code may involve replacing the brake system control module, repairing damaged wiring or connectors, ensuring a strong battery connection, and resetting the code with an OBDII scanner.

6. Are there any DIY tips for fixing the U0129 code in a Lincoln?

- While some basic troubleshooting steps can be performed at home, it is recommended to consult a professional mechanic for an accurate diagnosis and repair of the U0129 code in your Lincoln.

7. Is the U0129 code in a Lincoln a serious issue?

- Yes, the U0129 code indicating lost communication with the brake system control module is a serious issue that can affect the vehicle's braking performance and safety, so it should be addressed promptly.

8. How much does it typically cost to repair the U0129 code in a Lincoln?

- The cost of repairing the U0129 code can vary depending on the underlying cause, but it may range from a few hundred dollars to over a thousand dollars, including parts and labor.

9. Can a Lincoln dealership help with diagnosing and repairing the U0129 code?

- Yes, a Lincoln dealership or a qualified automotive service center with expertise in Lincoln vehicles can assist in diagnosing and repairing the U0129 code to ensure proper functioning of the brake system control module.

10. What preventative measures can I take to avoid encountering the U0129 code in my Lincoln?

- To prevent the U0129 code from appearing, it is recommended to perform regular maintenance checks on the vehicle's braking system, keep the battery in good condition, and address any warning lights or unusual symptoms promptly.

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