U1056
Loss of GPS Signal
2006-2011 BMW 325i 3.0L I6 N52 🇩🇪
Low SeverityNetwork
Description
The navigation or telematics module has lost the GPS satellite signal for position data.
Symptoms
- Navigation position lost
- GPS coordinates unavailable
- Map position incorrect or not updating
- Telematics location unknown
Common Causes
- GPS antenna failure
- GPS antenna cable damaged
- Antenna connector loose
- Windshield metallic coating blocking signal
- Module GPS receiver failure
Diagnostic Steps
- Check GPS antenna connection
- Test GPS antenna signal with known good antenna
- Inspect antenna cable routing
- Check for aftermarket window tint blocking GPS
- Test module GPS receiver
Repair Notes
Check GPS antenna and cable connection. Metallic window tint can block GPS signal.
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
U1056 on Other Vehicles
Common Questions
What does code U1056 mean on a 2006-2011 BMW 325i?
U1056 stands for "Loss of GPS Signal". The navigation or telematics module has lost the GPS satellite signal for position data.
What are the symptoms of U1056 on a BMW 325i?
Common symptoms of U1056 include: Navigation position lost, GPS coordinates unavailable, Map position incorrect or not updating, Telematics location unknown.
What causes U1056 on a 2006-2011 BMW 325i?
Common causes of U1056 include: GPS antenna failure, GPS antenna cable damaged, Antenna connector loose, Windshield metallic coating blocking signal, Module GPS receiver failure.