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The Oracle
2,777 Posts
Discussion Starter · #1 ·
Just got the crewwcab together with used 4r100 and the TCS light blinks
pulled p0705-TCS circuit malfunction

Replaced and adjust TRS with new unit. Same problem. Scan tool shows gear position as
N/A when. Truck starts
Rev in rev
OD in neutral and drive
Man 2 in 2&1
And if I shift it back into park it shows rev.

I took the switch off and moved it.manually and it showed same thing.

What now? Wiring? PCM?
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