P0A06
Motor Electronics Coolant Pump A Control Circuit Low
What it means
P0A06 means Motor Electronics Coolant Pump A Control Circuit Low.
Where it lives
For P0A06, the pump sits on the circuit this code reports. The description of P0A06 reports a fault at the pump.
Check these first
- Low battery voltage
- Short to ground in the coolant pump A control circuit
- Corrosion in the coolant pump A connector
- A failed coolant pump A
- A fault in the power inverter module
What to do next
- Check battery voltage and state of charge
- Inspect the coolant pump A wiring and connector
- Test the control circuit for a short to ground
- Command coolant pump A with a scan tool
- Replace coolant pump A if it does not run
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.