Old computer quit working. New one (second new one) will not shift transmission properly, shifts from first to overdrive at ten mph. Throwing P0720 code, output speed sensor Ckt. Malfunction.
I am a pretty good mechanic, have my own shop.
Cannot find output speed sensor! Not where shown on different drawings for E40D transmission. Not on driver side of transmission case, not on rear tailpiece of transfer case.
Hoping replacing output speed sensor will fix problem, it is the only code I am getting.
Never had any shifting problems prior to changing computer. By the way, paying $125.00 to have computer newly programmed did not help either.
Wednesday, March 24th, 2021 AT 12:48 PM
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