U0129 Ford 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 Ford 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.
Code U0129 Ford Description
What are the Possible Causes of the DTC U0129 Ford?
- 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 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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the U0129 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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Frequently Asked Questions about U0129 Ford Code
1. What are the common symptoms of OBDII code U0129 in a Ford vehicle?
- Common symptoms include the ABS warning light or traction control 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 Ford vehicle?
- The U0129 code can be caused by a faulty brake system control module, damaged wiring or connectors, corrosion in the electrical connections, or a malfunction in the vehicle's communication network.
3. How can I diagnose the U0129 code in my Ford vehicle?
- Diagnosing the U0129 code involves using a diagnostic scanner to retrieve the code, checking for other related codes, inspecting the wiring and connectors for damage, and testing the brake system control module for proper functioning.
4. Can I continue driving my Ford vehicle with the U0129 code present?
- It is not recommended to continue driving your vehicle with the U0129 code present, as it can affect the proper functioning of the brake system and compromise vehicle safety. It's best to address the issue promptly.
5. How can I repair the U0129 code in my Ford vehicle?
- Repairing the U0129 code typically involves repairing or replacing any damaged wiring or connectors, addressing any corrosion in the electrical connections, and replacing the faulty brake system control module if necessary.
6. Will resetting the OBDII code U0129 in my Ford vehicle solve the issue?
- Resetting the code may temporarily turn off the warning lights, but it will not fix the underlying issue causing the U0129 code. It's important to diagnose and address the root cause of the problem.
7. Is the U0129 code a common issue in Ford vehicles?
- The U0129 code, indicating a lost communication with the brake system control module, is a relatively common issue in Ford vehicles, especially in older models or vehicles with high mileage.
8. Can a DIY enthusiast repair the U0129 code in a Ford vehicle?
- Depending on your level of automotive knowledge and experience, you may be able to address the U0129 code yourself by inspecting the wiring, connectors, and control module. However, more complex repairs may require professional assistance.
9. How long does it typically take to repair the U0129 code in a Ford vehicle?
- The repair time for the U0129 code can vary depending on the specific cause of the issue and the extent of the repairs needed. It can range from a few hours to a full day, especially if parts need to be ordered.
10. Are there any preventive measures to avoid the U0129 code in a Ford vehicle?
- To help prevent the U0129 code from appearing in your Ford vehicle, it's important to regularly inspect the electrical connections, maintain the brake system components, and address any warning lights or abnormal behavior promptly.
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