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5r55s o/d blinking flashing

  1. D

    5R55S o/d light blinking light

    Had the O/D light flash on my '02 XLS 4.0 for the first time on a 150 mile trip this weekend. Higher highway rpms confirm that the overdrive is not engaging at highway speeds (e.g., 3000 rpm @ 73 mph instead of 2200 rpms). Here's the background: 185k miles on the transmission (but see below)...
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