U0153low severityNetwork
Lost Communication with Hands-Free Telephone Module
on 2008 Audi R8 4.2L V8 · AWD
What this code means
Cannot communicate with the Bluetooth or hands-free phone module.
Symptoms
- Bluetooth not connecting
- Hands-free calling disabled
- Phone features in infotainment unavailable
Common causes
- Phone module failure
- CAN bus wiring
- Module power loss
- Fuse blown
- Antenna connection
Diagnostic steps
- Check phone module fuse
- Test power and ground
- Check CAN wiring
- Check Bluetooth antenna
- Test module with diagnostic tool
Repair notes
Check fuses. Module may need software update for newer phone compatibility.
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Serious DIY (~$100)
BlueDriver Pro →
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Autel MaxiCOM MK808S →
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Other Network codes on this vehicle
01314
Engine Control Module (ECM) - no communications
U0001
High Speed CAN Communication Bus
U0002
High Speed CAN Communication Bus Performance
U0003
High Speed CAN Communication Bus (+) Open
U0004
High Speed CAN Communication Bus (+) Low
U0005
High Speed CAN Communication Bus (+) High
U0006
High Speed CAN Communication Bus (-) Open
U0007
High Speed CAN Communication Bus (-) Low
U0008
High Speed CAN Communication Bus (-) High
U0009
High Speed CAN Communication Bus Shorted Together