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Re: 4L80E and the dreaded P1870 DTC
Posted to Transmission Forum on 9/10/2002

Sorry Chuck about not including model years. Most of the trucks are between 1996 to 02's. The majority of those are 99-02 models. You make a good point about not seeing this problem on the 80E trans. I do see the reverse blow out ( mostly driver abuse) and tha... Login to read more.