Trans codes

[Vermilion96]

I have a 96 gt with a 4r70w and my clutches were fucked so, I decided to just swap the tans bc my buddy had one for the cheap . he was t5 swapping his. The new trans is a 98. I got a 98 trans harness to match and a brand new neutrals safety switch. I started it up for the first time and the only code I have is p0707. which is “transmission range sensor A circuit low”. The car is stuck in limp mode and won’t go out of second gear. I’m lost on what is going on any advice would be appreciated.

 

[95opal]

I know very little about the auto trans in the sn95 models. What I do know is although the 4r70s are all the same they don't just plug and play between model years.
This may help you or maybe someone else with auto trans exp can help.

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