Lost Communication with Navigation Module
2017-2020 Tesla Model 3 Standard Range Plus Single Motor RWD
Description
Cannot communicate with the navigation processing module separate from the display.
Symptoms
- Navigation function unavailable
- Map calculations not processing
- Route guidance not working
Common Causes
- Navigation processor failure
- CAN bus wiring
- Module power loss
- Fuse blown
- GPS antenna issue
Diagnostic Steps
- Check navigation module fuse
- Test power and ground
- Check CAN wiring
- Verify GPS antenna connection
- Test module with diagnostics
Repair Notes
Check fuses and GPS antenna cable. Navigation processor may need map data update.
Related Codes
Other Network Codes
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0006High Speed CAN Communication Bus (-) Open
- U0007High Speed CAN Communication Bus (-) Low
- U0008High Speed CAN Communication Bus (-) High
- U0009High Speed CAN Communication Bus Shorted Together
- U0010Medium Speed CAN Communication Bus
U0163 on Other Vehicles
Tesla Cybertruck
2024-2024 Cyberbeast Tri Motor AWD
Tesla Cybertruck
2024-2024 Dual Motor AWD
Tesla Cybertruck
2024-2024 Single Motor RWD
Tesla Model 3
2017-2020 Long Range Dual Motor AWD
Tesla Model 3
2017-2020 Performance Dual Motor AWD
Tesla Model 3
2021-2024 Long Range Dual Motor AWD
Tesla Model 3
2021-2024 Performance Dual Motor AWD
Tesla Model 3
2021-2024 Standard Range Single Motor RWD
Common Questions
What does code U0163 mean on a 2017-2020 Tesla Model 3?
U0163 stands for "Lost Communication with Navigation Module". Cannot communicate with the navigation processing module separate from the display.
What are the symptoms of U0163 on a Tesla Model 3?
Common symptoms of U0163 include: Navigation function unavailable, Map calculations not processing, Route guidance not working.
What causes U0163 on a 2017-2020 Tesla Model 3?
Common causes of U0163 include: Navigation processor failure, CAN bus wiring, Module power loss, Fuse blown, GPS antenna issue.