All Things Mk5 > How to Guides / Troubleshooting

P2185 high-voltage circuit issue with the engine coolant temperature sensor 2

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jonnd:
So check list i done so far.
My Aircon doesnt work atm need regasing,

Coolant wise i have had changed 4 sensors and 2 wiring harness and still nothing the only thing i havent touched is the fan controller on the fan which is working but come and off soon as i start the engine
Wiring i have checked ohms and beeper test all seems fine no break themo stat has been changed 2 times as well 2 differents engine and i still have the problem with P2185

Does anyone have any information or advice maybe a wiring dirgram so i can fully test all my wires

Could it be a blockage some where the coolant is getting to the sensor but is saying -45c on the vcds

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