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Fans running constant

  • 25-07-2023 10:43pm
    #1
    Nobbies
    Registered Users, Registered Users 2 Posts: 352 ✭✭


    Seat alhambra, 2:0 litre diesel,the fans under the bonnet at the radiator come on within a matter of minutes of starting the engine & remain on until & some minutes after stopping engine.

    the air con or in cab fan/heater wouldn't be switched on at this time.any ideas as to what may be the issue?thanks



Comments

  • #2
    teediddlyeye
    Registered Users, Registered Users 2 Posts: 433 ✭✭teediddlyeye


    No communication between ECU and fan control module. Likely a broken wire, have it scanned.

    Guessing temp gauge is working ok?

    "I never thought I was normal, never tried to be normal."- Charlie Manson



  • #3
    Nobbies
    Registered Users, Registered Users 2 Posts: 352 ✭✭Nobbies


    Temperature gauge appears to be reading normal in the dash.it is showing a fault alright when scanned "auxiliary heater control module" "no signal/communication "



  • #4
    User1998
    Registered Users, Registered Users 2 Posts: 7,673 ✭✭✭User1998


    Had the same issue. Replaced battery and fan started running as normal again.

    My battery was goosed tho, so might not solve the issue your having



  • #5
    teediddlyeye
    Registered Users, Registered Users 2 Posts: 433 ✭✭teediddlyeye


    See if your engine wiring loom is rubbing on the front of the gearbox.

    "I never thought I was normal, never tried to be normal."- Charlie Manson



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