U129D Honda Code - Lost Communication With The Precision All Wheel Steer Control Unit
Quick Answer
The Controller Area Network (CAN) transmits/receives pulsing signals to/from the control modules simultaneously by using two signal lines (F-CAN_H and F-CAN_L). Common causes include Faulty Precision All-Wheel Steer Control Unit, Precision All-Wheel Steer Control Unit harness is open or shorted, Precision All-Wheel Steer Control Unit 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
- U129D Honda indicates Lost Communication With The Precision All Wheel Steer Control Unit.
- Common causes
- Common causes include Faulty Precision All-Wheel Steer Control Unit, Precision All-Wheel Steer Control Unit harness is open or shorted, Precision All-Wheel Steer Control Unit 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 U129D Honda Description
What are the Possible Causes of the DTC U129D Honda?
- Faulty Precision All-Wheel Steer Control Unit
- Precision All-Wheel Steer Control Unit harness is open or shorted
- Precision All-Wheel Steer Control Unit circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How to Fix the DTC U129D Honda?
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 U129D Honda 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 U129D Honda code?
Need more information on how to fix the U129D Honda code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U129D Honda code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about U129D Honda Code
1. What are common symptoms of OBDII code U129D in a Honda related to the Precision All Wheel Steer Control Unit?
- Common symptoms include loss of communication with the Precision All Wheel Steer Control Unit, stability control issues, and potential warning lights on the dashboard.
2. What are possible causes of the U129D code in a Honda?
- Possible causes include a faulty Precision All Wheel Steer Control Unit, wiring or connection issues, damaged sensors, or a communication error within the vehicle's network.
3. How can I diagnose the U129D code in my Honda?
- Diagnosis involves using an OBDII scanner to read and interpret the code, conducting a visual inspection of the control unit and related components, checking for loose connections, and performing a system reset.
4. Can I still drive my Honda with the U129D code present?
- It is not recommended to drive your Honda with the U129D code active, as it may impact the vehicle's stability control system and overall safety performance.
5. How do I repair the U129D code in my Honda?
- Repairing the U129D code typically involves addressing the root cause of the communication issue, which may require replacing the Precision All Wheel Steer Control Unit, repairing wiring or connections, or recalibrating the system.
6. Is it possible to reset the U129D code in my Honda without professional help?
- While you may be able to reset the code using an OBDII scanner, it is important to address the underlying issue causing the code to prevent it from reoccurring.
7. Can a DIY enthusiast troubleshoot and fix the U129D code in a Honda?
- Depending on your proficiency with automotive repairs and diagnostics, you may be able to troubleshoot and fix the U129D code in your Honda, but it is recommended to seek professional help for complex issues.
8. Are there any recalls or technical service bulletins related to the U129D code for Honda vehicles?
- Check with your local Honda dealership or visit the manufacturer's website to see if there are any recalls or technical service bulletins related to the U129D code for your specific Honda model.
9. How much does it cost to repair the U129D code in a Honda?
- Repair costs for the U129D code can vary depending on the specific issue causing the code, the labor rates in your area, and whether you choose to address the problem yourself or seek professional assistance.
10. How can I prevent the U129D code from reappearing in my Honda in the future?
- To prevent the U129D code from reappearing, perform regular maintenance on your vehicle, address any warning lights or issues promptly, and ensure proper installation and connection of components during repairs.
Discuss the causes and fixes for U129D Honda OBDII Code
Code U129D Honda comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
