Transmission pressure switch change

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    Alex Hiatt
    Alex Hiatt

    Hello I have a 2007 TL with 260K miles. I just replaced the transmission fluid about a year ago, and finally got the pressure switches changed. The 2nd and 4th seem to be fine, but the 3rd is giving me issue, I have replaced it twice and each time it throws a code saying switch circuit B high. So I eventually just put the old original switch back in. What could be the issue, both times I replaced it with OEM parts and Im just puzzled. Oh and now I get a flashing “D” light everynow and then, but the car seems to be driving just fine. Any advice or fixes, I plan on keeping this car unitil it blows up, so any other advice to prolong that I would appreciate it.

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