U0161
Lost Communication with Convenience Module A
2000-2003 Audi S6 4.2L V8
Low SeverityNetworkGeneric (SAE)
Description
Cannot communicate with the convenience electronics module managing keyless entry, approach lighting, etc.
Symptoms
- Keyless entry not working
- Welcome lights not activating
- Convenience features disabled
- Auto-fold mirrors not working
Common Causes
- Convenience module failure
- CAN bus wiring
- Module power loss
- Fuse blown
Diagnostic Steps
- Check convenience module fuse
- Test power and ground
- Check CAN wiring
- Test individual convenience features
- Inspect module connector
Repair Notes
Check fuses and BCM integration. Convenience features often managed through BCM sub-module.
Related Codes
Other Network Codes
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0006High Speed CAN Communication Bus (-) Open
- U0007High Speed CAN Communication Bus (-) Low
- U0008High Speed CAN Communication Bus (-) High
- U0009High Speed CAN Communication Bus Shorted Together
- U0010Medium Speed CAN Communication Bus
U0161 on Other Vehicles
Common Questions
What does code U0161 mean on a 2000-2003 Audi S6?
U0161 stands for "Lost Communication with Convenience Module A". Cannot communicate with the convenience electronics module managing keyless entry, approach lighting, etc.
What are the symptoms of U0161 on a Audi S6?
Common symptoms of U0161 include: Keyless entry not working, Welcome lights not activating, Convenience features disabled, Auto-fold mirrors not working.
What causes U0161 on a 2000-2003 Audi S6?
Common causes of U0161 include: Convenience module failure, CAN bus wiring, Module power loss, Fuse blown.