U0064high severityNetwork
Lost Communication with Diagnostic Gateway Module
on 2008 Audi R8 4.2L V8 · AWD
What this code means
Cannot communicate with the diagnostic gateway that routes scan tool communication to vehicle buses.
Symptoms
- Scan tool cannot connect
- OBD port no communication
- Cannot read any DTCs
- Cannot perform diagnostics
Common causes
- Gateway module power failure
- Gateway module failure
- CAN bus issue to gateway
- OBD port wiring damage
- Fuse blown
Diagnostic steps
- Check gateway module fuse
- Test power and ground at gateway
- Check OBD port pin connections
- Test CAN wiring from OBD port to gateway
- Verify gateway module operation
Repair notes
Check OBD port wiring and gateway module power supply. Common on VW/Audi vehicles.
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Other Network codes on this vehicle
00003
Control Module - Defective
01304
Radio - No Communication
01312
Powertrain Data Bus - Defective
01314
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01315
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01316
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01317
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01318
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01321
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U0001
High Speed CAN Communication Bus