Lost Communication With Digital Audio Control Module D

Where it lives

For U0238, the description names the module as the part involved.

Check these first

• Damage to the wiring or connector between digital audio control module D and the computer
• A failed digital audio control module D
• A software fault in module D
• Electrical interference on the module D circuit

What to do next

1. Check the module D connector for damage or corrosion
2. Inspect the wiring between module D and the computer
3. Check power and ground at digital audio control module D
4. Eliminate sources of electrical interference on the circuit
5. Replace digital audio control module D if it does not answer
6. Clear the code and retest

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