U0163
Lost Communication With Navigation Control Module
Severity: MEDIUM
Symptoms
- Navigation system does not work
- Multimedia screen malfunctions
- Error message on the dashboard
- No GPS signal
- Problems with voice control
Causes
- Open or short circuit in the power supply circuit of the navigation module
- Malfunction of the navigation module itself
- Problems with the CAN bus
- Corrosion or poor contact in connectors
- Software failure
How to Fix
- Check the fuses associated with the navigation system
- Diagnose the integrity of the wiring to the navigation module
- Check CAN bus connections
- Test or replace the navigation module
- Update system software