U0314high severityNetwork
Software Incompatibility With Four Wheel Drive Control Module
on 2000 Audi A6 2.7L Turbo V6 · AWD
What this code means
The four wheel drive control module software does not match the network. This can affect 4WD engagement and performance.
Symptoms
- 4WD warning light on
- 4WD not engaging properly
- Reduced traction
Common causes
- Mismatched module software version
- Module replaced without programming
- Incomplete software update
- Failed 4WD control module
Diagnostic steps
- Check software versions across modules
- Compare against manufacturer specs
- Reprogram module with correct software
- Retest 4WD operation
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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