U0161
NetworkModule Communicationlow severityLost Communication with Convenience Module A
What U0161 Means
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
Where to start: Check fuses and BCM integration. Convenience features often managed through BCM sub-module.
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