U0227moderate severityNetwork
Lost Communication With Zone Module H
on 2014 Audi Q7 3.0L Supercharged V6 · AWD
What this code means
The main controller lost data communication with Zone Module H. Functions handled by that module may stop working.
Symptoms
- Warning lights illuminated
- Zone functions not working
- Intermittent electrical issues
Common causes
- Faulty Zone Module H
- Wiring or connector fault at module
- Blown fuse or lost power/ground
- Damaged CAN bus wiring
Diagnostic steps
- Scan all modules for stored codes
- Check power and ground at Zone Module H
- Test CAN bus wiring for continuity
- Replace module 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
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