Question about 1998 Ford Contour
This code is "Transmission Range Sensor Circuit High Input." It is caused by a fault in the Transmission Range Sensor switch, located on top of the transmission, between the engine and the battery. (Many auto parts stores list it as the "Neutral Safety Switch." While it does perform this function, it does more than that!) If it is defective, it can cause a number of problems, including erratic down-shifting out of, and then back in to, overdrive.
To change the switch, follow see the drawing below. Put the shifter in neutral, then disconnect and remove the battery. (You may also find it easier if you remove the battery tray.) Remove the rubber boot between the air intake box and the throttle body. Disconnect the wiring harness from the switch (1), remove the two 8mm bolts that hold it in (2), then pull the switch straight up and out. Don't twist it back and forth! Take note of how it engages the shaft inside the transmission.
Put the new switch in, leaving the bolts loose. Make sure the two lines on the switch line up with each other. (The arrow on the switch body that points to the "D" is the "Drive" position. The smaller line about 80 degrees to the left of the "D" position is the one you need to line up with. This sets it to the neutral position.) Tighten the bolts, and put everything back together. Check to make sure the engine will start only in the "Park" or Neutral" positions, and that the backup lights come on only in "Reverse".
Hopefully, this will fix your problem.
Posted on Jan 24, 2014
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Posted on Jan 02, 2017
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