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  1. Transmission quirk need expertise 2013 XTS with 33,000

    Cadillac XTS Forum 2013-2019
    Okay, experts all welcome. For 9 months of the year or more, the car runs like a dream. as soon as the weather heats up, 80 or higher usually, I have a reoccurring issue. I own the car little almost 2 years and bought it with 23K. Here is the issue, if the car has been baking in the sun all...
  2. XTS TCM reprogram after transmission change

    Cadillac XTS Forum 2013-2019
    I have a 2014 Cadillac XTS luxury series, and I recently bought a transmission from LKQ with 60K miles which belong to a 2013 Cadillac XTS. Right after I pick up the car my check engine came up, I check it with OBDII, and it was U0101, but the car is running perfect, not stucking in any gear. I...
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