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 Radiator Fan stuck on - 2010 R56

 Created by: NickW
Orig. Posting Date User Name Edit Date
Jan 18, 2022 02:17AM NickW  
Jan 17, 2022 01:26PM kenatminimania  
Jan 17, 2022 02:31AM NickW Edited: Jan 17, 2022 03:10AM 
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 Posted: Jan 18, 2022 02:17AM
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Member since:Jan 17, 2022
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That's a really good shout and I have read of grounding out. One suggestion has been the (metal) Temperature Sensor clip was found to be grounding out against the engine block, i've replaced this with a plastic one - same problem. If it means checking all the electrics I'll have to get someone to look at it.

 Posted: Jan 17, 2022 01:26PM
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It 'sounds like' the ecu is still receiving erroneous temp readings causing the fan to run in a fail-safe mode.

Could there be a connection or grounding issue somewhere?

 Posted: Jan 17, 2022 02:31AM
 Edited:  Jan 17, 2022 03:10AM
Total posts: 2
Last post: Jan 18, 2022
Member since:Jan 17, 2022
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My Mini 2010 R56 constantly has the Radiator Fan on, even on startup.
I have a P0599 fault code which states 'Thermostat Heater Control Circuit High'
I've read a few forums which advised to replace the Temperature Sensor and reset the ECU. I've done both of these things and all has been fine for a while.
However - the code is back and the Radiator Fan is always running again. I have a feeling only the ECU reset really worked so it's temporary.

Does anyone have any experience of the Radiator always being on? I thought Radiator NOT coming on was a Thermostat stuck fault, but this is the opposite. 

Also does anyone have the ECU reset process as I can't recall this or repeat what i thought was the process.