U0305high severityNetwork
Software Incompatibility with ABS Control Module
on 2001 Audi A6 3.0L V6 · AWD
What this code means
Data incompatibility between the ABS module and other vehicle control modules.
Symptoms
- ABS light on
- Stability control disabled
- Brake assist not working
- Traction control off
Common causes
- ABS module software outdated
- Software mismatch after partial update
- Wrong ABS calibration installed
Diagnostic steps
- Check ABS module software version
- Compare software compatibility with ECM
- Reprogram ABS module
- Check for TSBs
Repair notes
Reprogram ABS module with correct software revision. Must be compatible with other chassis modules.
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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
01315
Transmission Control Module (TCM) - No Communication
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