U0196
Lost Communication With Entertainment Control Module - Rear A
What it means
U0196 means Lost Communication With Entertainment Control Module - Rear A.
Where it lives
For U0196, the part to look at first is the module named here.
Check these first
- Damage to the wiring to rear entertainment control module A
- A failed rear entertainment control module A
- A fault in the computer or its communication system
- Corrosion or water in the rear module A connectors
- A short in the rear module A wiring
What to do next
- Inspect the rear entertainment control module A wiring
- Check rear module A connectors for corrosion
- Confirm rear module A responds on a scan tool
- Check the computer communication system for faults
- Replace rear entertainment control module A if faulty
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.