Lost Communication With Digital Disc Player/Changer Module C

Where it lives

For U0189, the description names the module as the part involved.

Check these first

• Corrosion or damage in the changer module C wiring
• A failed disc changer module C
• A software fault breaking changer module C communication
• Physical damage to the changer module C itself

What to do next

1. Inspect changer module C wiring and connectors for corrosion
2. Check changer module C for physical damage
3. Confirm changer module C answers on a scan tool
4. Apply changer module C software updates if available
5. Replace changer module C if it is faulty
6. Clear the code and retest

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