U0191

Symptoms

• No picture on TV screen
• Inability to control the TV through the car's standard controls
• Error message on the multimedia system screen
• Other vehicle systems may not work correctly (in rare cases)

Causes

• TV malfunction
• Open or short circuit in the wiring between the control module and the TV
• Malfunction of the control module responsible for communication with the TV
• Problems with the CAN data bus
• Loose or corroded connectors

How to Fix

1. Check the wiring and connectors between the control module and the TV for damage and corrosion.
2. Check the TV's power supply and grounding.
3. Check the CAN data bus for breaks or short circuits.
4. Check the TV in another car (if possible) or replace it.
5. Check the control module responsible for communication with the TV and replace it if necessary.

Related codes

Error U0191 by Vehicle Brand