U1056low severityNetwork
Loss of GPS Signal
on 2009 Audi A4 3.2L V6 · AWD
What this code means
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.
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Other Network codes on this vehicle
00003
Control Module - Defective
01304
Radio - No Communication
01312
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01314
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01315
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01316
ABS Control Module - No Communication
01317
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01318
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01321
Airbag Control Module - No Communication
U0001
High Speed CAN Communication Bus