• Display screen not working
• Error messages on the display
• Inoperative infotainment system
• Faulty display screen module
• Damaged wiring or connectors
• Faulty CAN bus network
CAN bus: A robust vehicle bus standard designed to allow microcontrollers and devices to communicate with each other's applications without a host computer.
PCM: Powertrain Control Module, the vehicle's main control unit for engine and transmission.
• U0140
• U0155
Your car's computer can't talk to the display screen, like when your phone can't connect to the internet.
This code indicates a communication failure between the vehicle's control modules and the display screen module.
The U0148 code is set when the vehicle's primary control module, such as the Powertrain Control Module (PCM), cannot communicate with the display screen module over the Controller Area Network (CAN) bus.
• Check for other communication-related codes
• Inspect wiring and connectors for damage
• Test the display screen module for functionality
• Repair or replace damaged wiring
• Replace the display screen module
• Reprogram or update control modules
• OBD-II scanner
• Multimeter
• CAN bus tester
$200 - $800
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly check and maintain wiring
• Avoid moisture exposure to electronic components
• Keep software updated
Communication Error
• Ensure all software updates are installed
• Avoid using aftermarket electronic accessories
• Regularly inspect the vehicle's electronic systems
Check with your vehicle's manufacturer for warranty coverage on electronic components.
The U0148 code has become more common with the increase of electronic systems in modern vehicles.
Moderate – While the vehicle can still be driven, the infotainment system may not function properly.
Always ensure repairs are performed by a qualified technician to avoid voiding warranties or causing further damage.
• Vehicle must be on
• Infotainment system should be active
The display screen module is typically located in the center console of the vehicle.
Q: Can I drive my car with code U0148?
A: Yes, but the display screen may not function properly.
Q: Will this code affect my car's performance?
A: No, it primarily affects the infotainment system.
