Water pump not stopping

2013 Ford C-MAX 1.8 energy
Car: Ford C-MAX
Year: 2013
Variant: 1.8 energy
Categories: Electrics, ECU, Warnings & Lights
My Cmax water pump not stopping after switching off the car, which draining the battery.
Problem added: Feb 23, 2024 (1 month ago)
Water pump is belt driven by engine and Must stop if engine not running
Answered Feb 24, 2024 (1 month ago)
You sure it's not your engine radiator fan ?
Answered Feb 24, 2024 (1 month ago)
Replying to post by whittingehame:
You sure it's not your engine radiator fan ?
Thank you for your response, actually it's the auxiliary water pump (DS7E8C419BA) and it's not belt driven, it has an electrical socket with two wires. I went to a repair shop and they told me that it's not stopping after switching off the car.
Answered Feb 26, 2024 (1 month ago)
If it's the auxiliary water pump , could be a faulty FCM ( fan control module ) . On a lot of cars with that type of pump they can usually continue running for up to 10-minutes after you turn the ignition off. A siagnostic scan , covering all modules should show a code if faulty . Could check wiring / socket .
Answered Feb 26, 2024 (1 month ago)

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