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  1. #1
    Veteran Member Three Rings Trev's Avatar
    Join Date
    Nov 25 2007
    AZ Member #
    22840
    My Garage
    b6 a4tq, 95 Eagle Talon (Rip)
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    British Columbia, Canada

    Map controlled thermostat fault code

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    17701 - Map controlled engine cooling thermostat (F265): Short to plus
    P1293 - 001 - Upper limit exceeded


    This DTC keeps coming up. Any ideas as to what may be the cause?

    I'm guessing thermostat needs to be replaced? Just wanted to confirm with you guys first. This doesn't seem to be a common issue. Most people just replace them when they start to leak...
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  2. #2
    Senior Member Three Rings POPO's Avatar
    Join Date
    Feb 02 2008
    AZ Member #
    24821
    My Garage
    2001 Chevy Tahoe, 2005 Audi A4, RIP 2003 Audi A4
    Location
    Somerset, NJ
    Items for Sale

    You need to replace the thermostat housing with sensor. The sensor is bad. I just did mine the other day. When I took the thermostat housing out the sensor was all corroded. Ordered mine through Europaparts, like 80 bucks. There is also a writeup on how to change the housing which is spot on.
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  3. #3
    Established Member Two Rings
    Join Date
    Sep 15 2010
    AZ Member #
    64138
    Location
    massapequa ny
    Items for Sale

    can you just change sensor or is it built into housing?

    Quote Originally Posted by POPO View Post
    You need to replace the thermostat housing with sensor. The sensor is bad. I just did mine the other day. When I took the thermostat housing out the sensor was all corroded. Ordered mine through Europaparts, like 80 bucks. There is also a writeup on how to change the housing which is spot on.
    is it possible when i flushed coolant last month i screwed this up? will this damage car driving with this code?

    Control Module Part Number: 8E0 909 518 BC
    Component and/or Version: 1.8L R4/5VT G

    0010
    Software Coding: 0016751
    Work Shop Code: WSC 13873
    1 Fault Found:
    17700 - Map Controlled Engine Cooling Thermostat

    (F265): Open Circuit
    P1292 - 004 - No Signal/Communication -
    Last edited by juttin3; 09-15-2010 at 09:04 PM.

  4. #4
    Veteran Member Four Rings DownhillA4's Avatar
    Join Date
    Jun 23 2008
    AZ Member #
    30226
    Location
    Around

    Quote Originally Posted by Trev View Post
    17701 - Map controlled engine cooling thermostat (F265): Short to plus
    P1293 - 001 - Upper limit exceeded


    This DTC keeps coming up. Any ideas as to what may be the cause?

    I'm guessing thermostat needs to be replaced? Just wanted to confirm with you guys first. This doesn't seem to be a common issue. Most people just replace them when they start to leak...
    Quote Originally Posted by POPO View Post
    You need to replace the thermostat housing with sensor. The sensor is bad. I just did mine the other day. When I took the thermostat housing out the sensor was all corroded. Ordered mine through Europaparts, like 80 bucks. There is also a writeup on how to change the housing which is spot on.

    Just vag-com'd my car tonight and got...

    Engine:
    17701
    P1293

    So I should change the thermostat housing, engine coolant temperature sensor behind the engine and their is another right next to the thermostat? So I should order 2 green coolant temp sensors?
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  5. #5
    Veteran Member Four Rings old guy's Avatar
    Join Date
    Dec 28 2006
    AZ Member #
    14483
    My Garage
    '09 CC VR6 Sport
    Location
    Maryland

    The thermostat has a heater, not a sensor. MAP controlled thermostat There are two sensors. The green four pin sensor on the back of the motor and the gray 2 pin sensor in the lower radiator hose.



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