5000fingers Posted September 11, 2016 Share Posted September 11, 2016 After not driving my 2001 OBW for several days due to stalling issues (apparently because of a failed MAP sensor), I disconnected the MAP sensor and the car ran well enough to back out of my driveway. But now the AT temp light keeps flashing, even though the AT temperature is cold and that light never came on for any reason before, ever. What could be happening? How could this new light be related to what I did? Obviously the AT oil is not too hot, but how could it be possible that I messed up something with the AT temp sensor while tinkering around the intake manifold to get the other problem figured out? Link to comment Share on other sites More sharing options...
ocei77 Posted September 11, 2016 Share Posted September 11, 2016 Flashing At Oil Temp light is just telling you that there is a transmission code stored. A regular scanner will not read it. Perhaps some one will chime in with an app that can help. If not you'll have to find someone who can. O. Link to comment Share on other sites More sharing options...
Fairtax4me Posted September 11, 2016 Share Posted September 11, 2016 The TCU uses inputs from the MAP sensor to help determine shift points. With the sensor unplugged the TCU just uses default shift points but it will flash the light and probably set a code for the MAP sensor. TCU codes have to be read manually unless you have a Subaru Select Monitor. Link to comment Share on other sites More sharing options...
5000fingers Posted September 11, 2016 Author Share Posted September 11, 2016 (edited) So this was just caused by my unplugging the MAP sensor then? Can I just disconnect the battery to clear the codes out? Edited September 11, 2016 by 5000fingers Link to comment Share on other sites More sharing options...
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