U0104 Buick Code - Lost Communication With Distance Sensing and Cruise Control Module
Quick Answer
The U0104 Buick diagnostic trouble code indicates that the vehicle has lost communication with the Distance Sensing and Cruise Control Module. Common causes include Faulty wiring or connectors, Malfunctioning Distance Sensing and Cruise Control Module, Communication network 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 Buick indicates Lost Communication With Distance Sensing and Cruise Control Module.
- Common causes
- Common causes include Faulty wiring or connectors, Malfunctioning Distance Sensing and Cruise Control Module, Communication network 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code U0104 Buick Description
The U0104 Buick diagnostic trouble code indicates that the vehicle has lost communication with the Distance Sensing and Cruise Control Module. This module is responsible for controlling the distance sensing system, which includes features such as adaptive cruise control, collision warning systems, and automatic braking. When communication with this module is lost, it can lead to the malfunction of these important safety and convenience features.
Common Causes of U0104 Buick
- Faulty wiring or connectors
- Malfunctioning Distance Sensing and Cruise Control Module
- Communication network issues
- Water damage or corrosion in the system
- Electrical interference from other components
Symptoms of U0104 Buick
- Malfunctioning adaptive cruise control system
- Inaccurate distance sensing readings
- Collision warning system failure
- Automatic braking system not working
- Dashboard warning light related to distance sensing system
How to Fix U0104 Buick
- Conduct a thorough diagnostic scan to retrieve the specific trouble codes and pinpoint the exact cause of the communication loss.
- Inspect the wiring and connectors related to the Distance Sensing and Cruise Control Module for any damage or corrosion.
- Test the module itself to determine if it is functioning correctly or needs to be replaced.
- Check the vehicle's communication network for any faults or interference that may be disrupting the signal.
- Clear the trouble codes after completing the repair process and test the system to ensure proper communication and functionality.
Cost to Fix U0104 Buick
The typical repair costs for addressing the U0104 Buick code can vary depending on the specific cause of the communication loss. In general, the repair may range from $200 to $500, including parts and labor. However, it is essential to note that the diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to check local rates for a more accurate estimate of the repair costs.
Need more information about the U0104 Buick code?
Need more information on how to fix the U0104 Buick code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U0104 Buick code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about U0104 Buick Code
What does the OBDII code U0104 mean on a Buick?
The U0104 code indicates a loss of communication between the vehicle's main computer and the Distance Sensing and Cruise Control Module (DSCCM).
What are the common symptoms of the U0104 code in a Buick?
Symptoms may include the cruise control not working, erratic behavior of driver-assist features, or the illumination of the check engine light.
What causes the U0104 code to appear in a Buick?
Common causes include damaged wiring or connectors, a failed DSCCM, a malfunctioning CAN bus network, or a problem with the power or ground supply to the module.
Can I still drive my Buick with the U0104 code active?
Yes, but some systems like adaptive cruise control or other driver-assist features may not function properly, which could affect safety.
How can I diagnose the U0104 code on my Buick?
Start by inspecting the wiring and connectors for damage, check the power and ground supply to the DSCCM, and use a scan tool to confirm communication issues with the module.
What tools are needed to troubleshoot the U0104 code?
You'll need a diagnostic scan tool with CAN bus capabilities, a multimeter for checking power and ground, and wiring diagrams specific to your Buick model.
How do I fix the U0104 code in my Buick?
Repairs may involve fixing or replacing damaged wiring or connectors, replacing the DSCCM if it’s faulty, or addressing issues with the CAN bus network.
How much does it cost to repair the U0104 code on a Buick?
Repair costs vary but can range from $100 for simple wiring repairs to $1,000 or more if the DSCCM needs replacement.
Can a low battery cause the U0104 code in a Buick?
Yes, a weak or low battery can disrupt communication between modules and potentially trigger the U0104 code.
Is it necessary to reprogram the DSCCM after replacement?
In most cases, the new DSCCM will require programming or calibration using a professional-grade scan tool to ensure proper operation.
Discuss the causes and fixes for U0104 Buick OBDII Code
Code U0104 Buick comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.