Invalid Data Received From Digital Audio Control Module C

Where it lives

For U0538, the description names the module as the part involved.

Check these first

• A low battery or charging fault that browns out the digital audio control module C
• A fault inside the digital audio control module C itself
• A loose, corroded, or water damaged connector at the digital audio control module C
• An open or short in the digital audio control module C wiring to the module that receives its data

What to do next

1. Scan all modules and record the stored and pending network codes
2. Inspect the digital audio control module C connector pins for corrosion, water, and looseness
3. Check battery voltage and charging output
4. Repair or replace the digital audio control module C if the circuit, power, and bus tests pass
5. Clear the code and retest to confirm the digital audio control module C fault is gone

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