U0104 Saturn Code - Lost Communication With Distance Sensing and Cruise Control Module
Quick Answer
The U0104 diagnostic trouble code (DTC) for Saturn vehicles indicates that there has been a communication failure between the Engine Control Module (ECM) and the Distance Sensing and Cruise Control Module. Common causes include Loose or corroded wiring connections, Faulty Distance Sensing and Cruise Control Module, ECM software issues. 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 Saturn indicates Lost Communication With Distance Sensing and Cruise Control Module.
- Common causes
- Common causes include Loose or corroded wiring connections, Faulty Distance Sensing and Cruise Control Module, ECM software issues.
- 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 Saturn Description
The U0104 diagnostic trouble code (DTC) for Saturn vehicles indicates that there has been a communication failure between the Engine Control Module (ECM) and the Distance Sensing and Cruise Control Module. This means that the ECM is unable to receive or transmit data to the Distance Sensing and Cruise Control Module, which can lead to various issues with the vehicle's performance.
Common Causes of U0104 Saturn
- Loose or corroded wiring connections
- Faulty Distance Sensing and Cruise Control Module
- ECM software issues
- CAN bus communication system malfunction
- Electrical interference or damage
Symptoms of U0104 Saturn
- Malfunctioning adaptive cruise control system
- Inoperative collision warning system
- Loss of automatic braking functionality
- Illumination of the check engine light
- Decreased fuel efficiency
How to Fix U0104 Saturn
- Perform a thorough diagnostic scan to retrieve the specific trouble codes and pinpoint the communication failure.
- Inspect all wiring connections related to the Distance Sensing and Cruise Control Module for any signs of damage or corrosion.
- Test the functionality of the Distance Sensing and Cruise Control Module and replace if necessary.
- Check for any software updates for the ECM and perform reprogramming if recommended by the manufacturer.
- Verify proper communication on the CAN bus system and address any issues found.
Cost to Fix U0104 Saturn
The typical repair costs for addressing a U0104 code in a Saturn vehicle can range from $200 to $500, depending on the specific cause of the communication failure and the required repairs. This estimate includes parts and labor. However, it's essential to note that the actual cost may vary based on factors such as the location of the repair shop, the vehicle's make and model, and the type of engine. Diagnostic time and labor rates at auto repair shops can vary, with hourly rates typically falling between $80 and $150. It's advisable to contact local repair shops for a more accurate estimate based on your specific circumstances.
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Frequently Asked Questions about U0104 Saturn Code
1. What does the OBDII code U0104 mean on a Saturn?
U0104 indicates a loss of communication with the Distance Sensing and Cruise Control Module (DSCCM), which could affect systems like adaptive cruise control.
2. What are the common symptoms of code U0104 in a Saturn?
Symptoms may include the cruise control not functioning, warning lights on the dashboard, and erratic behavior of driver-assist features like collision alerts.
3. What are the possible causes of U0104 on a Saturn?
Common causes include a faulty DSCCM, damaged wiring or connectors, a malfunctioning CAN bus network, or a failing powertrain control module (PCM).
4. Can I still drive my Saturn with a U0104 code?
Yes, you can usually drive the vehicle, but features like cruise control and distance sensing may not work, potentially affecting safety.
5. How do I diagnose the U0104 code on my Saturn?
Start by inspecting the wiring and connectors to the DSCCM, checking for damage or corrosion. Use a scan tool to confirm communication errors on the CAN bus.
6. What are the repair options for a U0104 code in a Saturn?
Repairs may include fixing or replacing damaged wiring, repairing connectors, updating software in control modules, or replacing the DSCCM if faulty.
7. Can a weak battery cause the U0104 code in a Saturn?
Yes, a weak or failing battery can disrupt communication between modules and trigger the U0104 code.
8. How much does it cost to fix a U0104 code in a Saturn?
Costs vary depending on the issue, but diagnostics may cost $100-$150, and repairs like replacing the DSCCM can range from $300 to $800.
9. Can a blown fuse cause the U0104 code in a Saturn?
Yes, a blown fuse related to the DSCCM or CAN bus system can disrupt communication and trigger the code.
10. Will clearing the U0104 code with a scan tool fix the problem?
Clearing the code may turn off the warning temporarily, but the underlying issue must be resolved to prevent the code from returning.
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