Electric/Auxiliary Transmission Fluid Pump Control Module Feedback Signal Low

Where it lives

For P0C2D, start at the pump the description names.

Check these first

• A feedback signal below its normal range
• Low battery voltage at the pump control module
• A short in the module harness
• Corrosion or water in the module connectors

What to do next

1. Read the aux fluid pump control module feedback signal on a scan tool
2. Check battery voltage and charging
3. Test the module harness for a short
4. Inspect the module connectors for corrosion or water
5. Replace the pump control module if the circuit tests good
6. Clear the code and retest

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