Engine-Codes.com
Engine-Codes – Acura – U128C Acura

U128C Acura Code - Lost Communication With The Wiper Control Unit

Quick Answer

The U128C diagnostic trouble code (DTC) for Acura vehicles indicates that there is a communication problem between the vehicle's onboard computer system and the wiper control unit. Common causes include Faulty wiper control unit, Wiring or connection issues in the CAN bus network, Corrosion or damage to electrical connectors. 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
U128C Acura indicates Lost Communication With The Wiper Control Unit.
Common causes
Common causes include Faulty wiper control unit, Wiring or connection issues in the CAN bus network, Corrosion or damage to electrical connectors.
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 08, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code U128C Acura Description

The U128C diagnostic trouble code (DTC) for Acura vehicles indicates that there is a communication problem between the vehicle's onboard computer system and the wiper control unit. The wiper control unit is responsible for managing the operation of the windshield wipers, including speed settings and intermittent wiping functions. When communication with this unit is lost, it can lead to issues with wiper operation, potentially affecting visibility and overall driving safety.

OBDII Code U128C Acura - Lost Communication With The Wiper Control Unit
U128C Acura Code - Lost Communication With The Wiper Control Unit

Common Causes of U128C Acura

  1. Faulty wiper control unit
  2. Wiring or connection issues in the CAN bus network
  3. Corrosion or damage to electrical connectors
  4. Software glitches in the vehicle's onboard computer system
  5. Water or moisture intrusion affecting the wiper control unit

Symptoms of U128C Acura

  1. Intermittent or non-functional windshield wipers
  2. Inability to control wiper speed settings
  3. Wipers operating erratically or getting stuck
  4. Warning light on the dashboard related to wiper system

How to Fix U128C Acura

  1. Perform a thorough inspection of the wiper control unit, wiring, and connectors for any visible damage or corrosion.
  2. Check the CAN bus system for any faults or communication errors using a diagnostic scanner.
  3. Clear the DTC from the vehicle's memory and see if it reoccurs during operation.
  4. If the issue persists, consider replacing the wiper control unit or addressing any wiring/connectivity issues identified during inspection.
  5. Perform a final test to ensure proper communication and functionality of the wiper system.

Cost to Fix U128C Acura

The cost of repairing a U128C code related to lost communication with the wiper control unit can vary depending on the specific cause of the issue. On average, the cost of parts for a new wiper control unit can range from $100 to $300, while labor costs may add another $100 to $200 to the total repair bill. Overall, the total cost for resolving this issue could fall within the range of $200 to $500, including parts and labor. However, it's essential to consult with a qualified mechanic or automotive technician to get an accurate estimate based on the specific circumstances of your vehicle. Labor rates at auto repair shops can vary, so it's advisable to inquire about pricing beforehand.

Need more information about the U128C Acura code?

Need more information on how to fix the U128C Acura code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U128C Acura code diagnosed by a professional: Find a repair shop in your area

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 U128C Acura Code

1. What are the common symptoms of OBDII code U128C in an Acura related to the Wiper Control Unit?

- Common symptoms include non-functioning windshield wipers, erratic wiper behavior, or complete loss of wiper control.

2. What are the possible causes of the U128C code indicating lost communication with the Wiper Control Unit in an Acura?

- The code may be caused by a faulty wiper control unit, damaged wiring or connectors, a blown fuse, or issues with the vehicle's computer system.

3. How can I diagnose the U128C code in my Acura related to the Wiper Control Unit?

- Diagnosing the code typically involves checking the wiper control unit for power and ground, inspecting the wiring for any damage, and using a scan tool to communicate with the unit.

4. Can I continue driving my Acura with the U128C code related to the Wiper Control Unit?

- It is not recommended to drive the vehicle with this code present, as it may compromise your ability to operate the windshield wipers effectively, especially in adverse weather conditions.

5. How can I clear the U128C code indicating lost communication with the Wiper Control Unit in my Acura?

- Clearing the code involves using an OBDII scanner to reset the vehicle's computer system after addressing the root cause of the communication issue.

6. Are there any DIY repair tips for fixing the U128C code on an Acura related to the Wiper Control Unit?

- DIY repair tips may include checking and replacing blown fuses, inspecting and repairing damaged wiring, or replacing the wiper control unit if necessary.

7. How much does it cost to repair the U128C code indicating lost communication with the Wiper Control Unit in an Acura?

- Repair costs can vary depending on the specific cause of the issue, but it may involve replacing the wiper control unit, repairing wiring, or addressing other underlying problems.

8. Can extreme weather conditions affect the occurrence of the U128C code in an Acura related to the Wiper Control Unit?

- Extreme weather conditions, such as heavy rain, snow, or temperature fluctuations, can potentially exacerbate issues with the wiper control unit, leading to the U128C code.

9. Is the U128C code in an Acura related to the Wiper Control Unit a common problem among Acura vehicles?

- While not extremely common, issues with the wiper control unit leading to the U128C code can occur in Acura vehicles, especially in older models or those exposed to harsh environmental conditions.

10. Can I prevent the U128C code related to the Wiper Control Unit from occurring in my Acura?

- Regular maintenance, such as checking the wiper system, ensuring proper electrical connections, and addressing any issues promptly, can help prevent the occurrence of the U128C code in your Acura.

Discuss the causes and fixes for U128C Acura OBDII Code

Submit a New Comment

Code U128C Acura comments

No comments found for this page.