This post came from Brian Winograd from Broadway Transmissions in Red Lion, PA. The vehicle had a harsh 1-2 shift and no sensor signal until 15 mph and then works fine. It’ll continue to work fine until you turn off the engine and restart it. After extensive diagnosis he found a broken wire at the C105 connector. Repairing the wire fixed the problem. The connector is located on the passenger side at the bulkhead.
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