U0104 Chevrolet Code - Lost Communication With Distance Sensing and Cruise Control Module
Quick Answer
The U0104 code for Chevrolet indicates that there is a communication problem between the vehicle's Engine Control Module (ECM) and the Distance Sensing and Cruise Control Module. Common causes include Faulty wiring or connectors between the ECM and Distance Sensing and Cruise Control Module, Defective Distance Sensing and Cruise Control Module, Software issues within the ECM. 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 Chevrolet indicates Lost Communication With Distance Sensing and Cruise Control Module.
- Common causes
- Common causes include Faulty wiring or connectors between the ECM and Distance Sensing and Cruise Control Module, Defective Distance Sensing and Cruise Control Module, Software issues within the ECM.
- 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.
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Code U0104 Chevrolet Description
The U0104 code for Chevrolet indicates that there is a communication problem between the vehicle's Engine Control Module (ECM) and the Distance Sensing and Cruise Control Module. This module is responsible for managing the vehicle's adaptive cruise control system, which automatically adjusts the vehicle's speed to maintain a safe distance from vehicles ahead. When communication is lost with this module, it can lead to the cruise control system not functioning properly and potentially affecting the vehicle's overall performance.
Common Causes of U0104 Chevrolet
- Faulty wiring or connectors between the ECM and Distance Sensing and Cruise Control Module.
- Defective Distance Sensing and Cruise Control Module.
- Software issues within the ECM.
- Electrical interference or damage from water exposure.
- ECM failure.
Symptoms of U0104 Chevrolet
- Non-functional cruise control system.
- Inaccurate or erratic speed readings on the dashboard.
- Loss of adaptive cruise control functionality.
- Check Engine Light illuminated on the dashboard.
- Vehicle may go into limp mode, limiting performance.
How to Fix U0104 Chevrolet
- Begin by conducting a thorough inspection of the wiring and connectors between the ECM and the Distance Sensing and Cruise Control Module.
- Test the Distance Sensing and Cruise Control Module for functionality and replace if necessary.
- Check and update the ECM software to ensure proper communication.
- Address any electrical issues causing interference or damage.
- If all else fails, consider replacing the ECM.
Cost to Fix U0104 Chevrolet
The cost of repairing a U0104 code for a Chevrolet can vary depending on the specific cause of the communication issue. In general, the repair costs can range from $200 to $800, including parts and labor. Keep in mind that diagnostic time and labor rates can impact the final cost, so it's recommended to obtain quotes from local auto repair shops for a more accurate estimate.
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