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Error Code DFES.....

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Error Code DFES.....

Postby Scotsman » Sat Sep 28, 2019 3:21 pm

Hi All,

Picked up my 08 Cooper S yesterday.

I've used my Carly for BMW App and OBDII to see if there were any error codes. There is one that will not reset in the Engine/Motor group:

DFES DTCM.DFC DSACmin C - refrigerant pressure sensor

Any body know what this code is and what I need to do to fix it?

Thanks.

P.S. Also planing on getting the walnut blast inlet clean done.
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Re: Error Code DFES.....

Postby irlmin » Sun Sep 29, 2019 11:23 am

Thats the aircon pressure sensor , could be just no refrigerant or faulty sensor . should have one if it's sensor or hose or indeed air con condenser etc .G
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Re: Error Code DFES.....

Postby irlmin » Sun Sep 29, 2019 11:26 am

As regards sorting it the 1st thing to do is have the aircon system checked for leaks , most air con machines do this anyway the system in vacuemed and left for a period of time and if it looses vacuum you go looking for a leak , if not just let the machine refill with R134A. again we can do this if that helps .
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Re: Error Code DFES.....

Postby Scotsman » Sun Sep 29, 2019 1:13 pm

Thanks G.

Strange ting is the car doesn't have aircon though.
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Re: Error Code DFES.....

Postby irlmin » Sun Sep 29, 2019 1:31 pm

Thats unusual for an 08 S , are you sure ? it may have 'climate' control , if you like send me the last 7 digits of the vin number by pm and I can see the spec . reg no will also do . or post a pic of the heater controls . I don't think I ever saw an 08 S without either air con or Climate . G
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Re: Error Code DFES.....

Postby Scotsman » Sun Sep 29, 2019 3:00 pm

Hi G. PM sent with reg & vin.
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Re: Error Code DFES.....

Postby irlmin » Sun Sep 29, 2019 6:58 pm

Now that's a first ,no air-con , it was built on Jan 30th 2008 , no idea what your fault codes are could be phantom codes , a check with BMW /MINI diagnostics should be more detailed and get to the cause . G
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