Control Module Input Power A Circuit/Open

Where it lives

For U3006, the circuit described runs through the module. The description of U3006 reports the module as open.

Check these first

• An open circuit in the control module input power A feed
• A blown fuse feeding input power A
• Corrosion or damage at the control module power connector
• A short or open in the input power A wiring harness
• A failing control module internal power supply

What to do next

1. Check the fuse feeding control module input power A
2. Inspect the input power A connector for corrosion or damage
3. Test the input power A circuit for an open
4. Check battery voltage and ground at the control module
5. Replace the control module if input power A is present but the fault stays
6. Clear the code and retest

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