01315high severityNetwork
Transmission Control Module (TCM) - No Communication
on 2012 Audi R8 5.2L V10 (Gen 1, 525hp) · AWD
What this code means
No data is being received from the transmission control module. Similar to OBD U0101 (Lost Communication with TCM).
Symptoms
- Transmission in limp mode
- Harsh or no shifting
- Transmission warning light
Common causes
- TCM power or ground fault
- CAN bus wiring to TCM damaged
- Faulty TCM
- Corroded connector
Diagnostic steps
- Check TCM power and ground
- Verify CAN wiring to TCM
- Scan for related bus faults
- Replace TCM if unresponsive
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Other Network codes on this vehicle
00003
Control Module - Defective
01304
Radio - No Communication
01312
Powertrain Data Bus - Defective
01314
Engine Control Module (ECM) - no communications
01316
ABS Control Module - No Communication
01317
Instrument Cluster Control Module (J285) - No Communication
01318
Immobilizer Control Module - No Communication
01321
Airbag Control Module - No Communication
U0001
High Speed CAN Communication Bus
U0002
High Speed CAN Communication Bus Performance