U0162moderate severityNetwork
Lost Communication with Convertible Roof Module
on 2012 Audi A6 3.0L Supercharged V6 · AWD
What this code means
Cannot communicate with the convertible top or retractable hardtop control module.
Symptoms
- Convertible top not operating
- Top stuck partially open
- Top warning light on
- Top controls unresponsive
Common causes
- Top module failure
- CAN bus wiring
- Module power loss
- Fuse blown
- Hydraulic pump failure
- Trunk latch sensor issue
Diagnostic steps
- Check top module fuse
- Test power and ground
- Check CAN wiring
- Test top hydraulic system
- Check trunk and boot sensors
Repair notes
Check fuses and trunk latch sensors. Top operation requires all latches and sensors to confirm position.
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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