Engine-CodesCadillac – U0104 Cadillac

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

Quick Answer

The U0104 diagnostic trouble code (DTC) for Cadillac vehicles indicates that there has been a loss of communication with the Distance Sensing and Cruise Control Module. Common causes include Faulty Distance Sensing and Cruise Control Module, Wiring harness issues or electrical connections, Communication network disruptions within the vehicle. 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 Cadillac indicates Lost Communication With Distance Sensing and Cruise Control Module.
Common causes
Common causes include Faulty Distance Sensing and Cruise Control Module, Wiring harness issues or electrical connections, Communication network disruptions within the vehicle.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code U0104 Cadillac Description

The U0104 diagnostic trouble code (DTC) for Cadillac vehicles indicates that there has been a loss of communication with the Distance Sensing and Cruise Control Module. This module is responsible for controlling the vehicle's distance sensing system (typically used for features such as adaptive cruise control) and cruise control functions. When communication with this module is lost, it can significantly impact the vehicle's performance and functionality.

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

Common Causes of U0104 Cadillac

  1. Faulty Distance Sensing and Cruise Control Module
  2. Wiring harness issues or electrical connections
  3. Communication network disruptions within the vehicle
  4. Software glitches or programming errors
  5. Vehicle collisions or impact that could damage the module or wiring

Symptoms of U0104 Cadillac

  1. Inoperative cruise control system
  2. Malfunctioning distance sensing system
  3. Warning lights related to cruise control or distance sensing
  4. Erratic behavior of the vehicle's speed control features
  5. Reduced overall driving comfort and convenience

How to Fix U0104 Cadillac

  1. Diagnose the specific cause of the communication loss with the Distance Sensing and Cruise Control Module using a professional diagnostic tool.
  2. Inspect the wiring harness and electrical connections for any signs of damage, corrosion, or loose connections.
  3. Check for any software updates or reprogramming needed for the module to restore communication.
  4. Replace the Distance Sensing and Cruise Control Module if it is found to be faulty and unable to communicate properly.
  5. Test the functionality of the cruise control and distance sensing system after repairs to ensure proper operation.

Cost to Fix U0104 Cadillac

The typical repair costs for addressing a U0104 code on a Cadillac vehicle can vary depending on the specific cause of the communication loss and the extent of repairs needed. In general, the parts cost for replacing the Distance Sensing and Cruise Control Module can range from $200 to $500, while labor costs may add another $100 to $300. Overall, the total repair cost could range from $300 to $800, including parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.

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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.

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