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Engine-Codes – Generic – U0104

U0104 Code - Lost Communication With Distance Sensing and Cruise Control Module

Quick Answer

The U0104 code indicates that the vehicle's onboard computer has lost communication with the Distance Sensing and Cruise Control Module. Common causes include Faulty wiring or connectors, Corrosion in wiring connections, Module malfunction or damage. 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
U0104 indicates Lost Communication With Distance Sensing and Cruise Control Module.
Common causes
Common causes include Faulty wiring or connectors, Corrosion in wiring connections, Module malfunction or damage.
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 07, 2024
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Code U0104 Description

The U0104 code indicates that the vehicle's onboard computer has lost communication with the Distance Sensing and Cruise Control Module. This module is responsible for controlling various functions related to distance sensing and cruise control features in the vehicle. When this communication is lost, it can lead to the malfunctioning of these systems, affecting the vehicle's performance and safety.

OBDII Code U0104 - Lost Communication With Distance Sensing and Cruise Control Module
U0104 Code - Lost Communication With Distance Sensing and Cruise Control Module

Common Causes of U0104

  1. Faulty wiring or connectors
  2. Corrosion in wiring connections
  3. Module malfunction or damage
  4. Software issues in the onboard computer
  5. Electrical interference from other components

Symptoms of U0104

  1. Inoperative adaptive cruise control system
  2. Malfunctioning collision avoidance system
  3. Parking assist not working
  4. Dashboard warning light related to cruise control or distance sensing systems
  5. Loss of communication with other related modules

How to Fix U0104

  1. Begin by conducting a visual inspection of the wiring and connectors related to the Distance Sensing and Cruise Control Module. Look for any signs of damage, corrosion, or loose connections.
  2. Use a digital multimeter to test the continuity of the wiring to ensure there are no breaks or shorts.
  3. If the wiring and connectors are in good condition, proceed to test the module itself for any malfunctions. This may involve using a diagnostic scanner to communicate with the module and check for error codes.
  4. If the module is found to be faulty, it will need to be replaced with a new one. Ensure the new module is correctly programmed and calibrated to work with the vehicle's systems.
  5. Once the repairs are complete, clear the U0104 code from the vehicle's onboard computer and test the distance sensing and cruise control systems to ensure they are functioning properly.

Cost to Fix U0104

The repair costs for addressing the U0104 code can vary depending on the specific cause of the communication loss. On average, replacing a faulty module or repairing wiring issues related to this code can range from $200 to $500, including parts and labor. However, it's essential to note that these costs can fluctuate based on the location, vehicle make and model, and the extent of the repairs needed. Additionally, diagnostic time and labor rates at auto repair shops can impact the final cost, with hourly rates typically ranging from $80 to $150. It's recommended to consult with a professional mechanic for a more accurate estimate based on the specific circumstances of the vehicle.

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Code U0104 Information for Specific Makes

  • U0104 Buick — Lost Communication With Distance Sensing and Cruise Control Module
  • U0104 Cadillac — Lost Communication With Distance Sensing and Cruise Control Module
  • U0104 Chevrolet — Lost Communication With Distance Sensing and Cruise Control Module
  • U0104 Ford — Lost Communication Cruise Control Module
  • U0104 GMC — Lost Communication With Distance Sensing and Cruise Control Module
  • U0104 Infiniti — Lost Communication With Advanced Driver Assistance Systems Control Module
  • U0104 Lincoln — Lost Communication Cruise Control Module
  • U0104 Mercury — Lost Communication Cruise Control Module
  • U0104 Nissan — Lost Communication With Advanced Driver Assistance Systems Control Module
  • U0104 Pontiac — Lost Communication With Distance Sensing and Cruise Control Module
  • U0104 Saturn — Lost Communication With Distance Sensing and Cruise Control Module
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 U0104 Code

1. What are the common symptoms of OBDII code U0104?

- Common symptoms include loss of distance sensing functionality, non-functional cruise control, and illuminated warning lights on the dashboard.

2. What does the OBDII code U0104 indicate?

- The code signifies that there is a communication problem between the vehicle's control module and the distance sensing and cruise control module.

3. What are the possible causes of OBDII code U0104?

- Possible causes include faulty wiring or connections, a defective distance sensing and cruise control module, a malfunctioning control module, or software issues.

4. How can I diagnose the issue related to OBDII code U0104?

- Diagnosing the problem involves conducting a thorough inspection of the wiring, connectors, and modules involved. It may also require using a diagnostic scanner to retrieve additional codes and data.

5. Can I still drive my vehicle with the U0104 code present?

- It is not recommended to drive the vehicle with the U0104 code present, as it may affect the proper functioning of important safety features like distance sensing and cruise control.

6. How can I repair OBDII code U0104?

- Repair methods may include checking and repairing any damaged wiring or connectors, replacing the distance sensing and cruise control module if necessary, and reprogramming control modules.

7. Is it possible to reset the U0104 code without repairs?

- While clearing the code may temporarily turn off the warning lights, it is important to address the underlying issue to prevent the code from reoccurring and ensure the proper functioning of the affected systems.

8. Are there any recalls or technical service bulletins related to OBDII code U0104?

- It is advisable to check with your vehicle manufacturer or authorized dealership for any recalls or technical service bulletins related to the U0104 code to see if your vehicle is affected.

9. Can weather conditions impact the occurrence of code U0104?

- Extreme weather conditions, such as heavy rain or snow, can potentially impact the communication between modules and trigger the U0104 code. Ensuring proper sealing and protection can help prevent weather-related issues.

10. How can I prevent OBDII code U0104 from happening again?

- Regular maintenance checks, timely repairs of wiring and connectors, and addressing any warning signs promptly can help prevent the reoccurrence of the U0104 code and maintain the proper functionality of the affected systems.

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