Lost Communication With DC/DC Converter Control Module A

Where it lives

For U0298, the description names the module as the part involved.

Check these first

• A break or short in the wiring from converter module A to the main computer
• A failed DC to DC converter module A
• Corrosion or water in the module connectors
• An incorrect installation or configuration
• A software fault in the main computer

What to do next

1. Inspect the wiring and connector at DC to DC converter module A
2. Check the module for signs of failure
3. Verify the module is installed and configured correctly
4. Update the main computer software
5. Replace converter module A if it stays offline
6. Clear the code and retest

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