• Satellite radio not working
• Check engine light on
• Possible loss of other communication functions
• Faulty Satellite Radio Module
• Damaged or corroded wiring/connectors
• Network communication failure
OBD-II: On-Board Diagnostics, a standardized system for vehicle diagnostics.
SRM: Satellite Radio Module, a component responsible for satellite radio functions.
• U0664
• U0665
This code means that a part of the car's computer system isn't talking to another part like it should. Imagine if two people were trying to have a conversation, but one person couldn't hear the other.
U0663 indicates a communication error with a specific module in the vehicle's network.
The U0663 code is a network communication error code that signifies a loss of communication with the 'Satellite Radio Module' (SRM) or similar module. This can occur due to wiring issues, a faulty module, or a network problem.
• Check for other communication-related codes.
• Inspect the wiring and connectors related to the SRM.
• Test the SRM for functionality.
• Repair or replace damaged wiring/connectors.
• Replace the Satellite Radio Module if faulty.
• Reset the vehicle's computer system.
• OBD-II Scanner
• Multimeter
• Wiring repair tools
$100 - $500
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regular inspection of wiring and connectors.
• Ensure software updates are applied.
• Avoid exposure of electronic components to moisture.
Network Communication Error
• Avoid using satellite radio until fixed.
• Consult a professional mechanic for diagnosis.
• Keep a record of any recurring issues.
Check with manufacturer for warranty coverage on electronic components.
This code has been more prevalent with the increased use of networked modules in modern vehicles.
Moderate – While not immediately critical, it should be addressed to restore full functionality.
Ensure repairs are conducted by a qualified technician to avoid potential safety issues.
• Vehicle in ON position
• Satellite radio system activated
The Satellite Radio Module is typically located in the trunk or under the dashboard.
Q: Can I drive with a U0663 code?
A: Yes, but some features like satellite radio may not work.
Q: Will this code cause my vehicle to fail an emissions test?
A: No, this code is related to communication and not emissions.
