Had transmision rebuilt truck ran fine for a week. Pulled our boat lasted 20 miles started shifting hard and overdrive light was flashing. Took back to the transmission shop and they claim its not a tranny problem code po236 comes up what do I do now. Its a 1997 psd with 182000 miles.
Had another mechanic scan it. Came up with codes p0236,p0237 and p01728 witch is a trans shift malfunction. Taking it back to the transmission shop. The truck shifts hard from first to second and the overdrive light is blinking. Any more suggestions would be appreciated.
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