Invalid Data Received From AC/DC Converter Control Module B

Where it lives

For U0598, the description names the module as the part involved.

Check these first

• Electrical noise on the data bus corrupting the AC/DC converter control module B signal
• A low battery or charging fault that browns out the AC/DC converter control module B
• A fault inside the AC/DC converter control module B itself
• A loose, corroded, or water damaged connector at the AC/DC converter control module B

What to do next

1. Scan all modules and record the stored and pending network codes
2. Test the AC/DC converter control module B power and ground feeds under load
3. Check the AC/DC converter control module B data bus wiring for opens, shorts, and chafing
4. Repair or replace the AC/DC converter control module B if the circuit, power, and bus tests pass
5. Clear the code and retest to confirm the AC/DC converter control module B fault is gone

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