Lost Communication With Digital Disc Player/Changer Module A

Where it lives

For U0187, the description names the module as the part involved.

Check these first

• A failed disc changer module A
• Corrosion or damage in the changer module A harness
• A software or firmware fault in changer module A
• Low or unstable power to changer module A

What to do next

1. Inspect the changer module A harness for damage or corrosion
2. Update changer module A firmware if an update exists
3. Check the power feed and ground at changer module A
4. Confirm changer module A responds on a scan tool
5. Replace changer module A if it is faulty
6. Clear the code and retest

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