Question

1996 Chevrolet 1/2 ton 5.0 L with engine code P0700 and the transmission won't shift into 3rd gear, auto trans

Answer 1

Hi there

This code means transmission control module malfunction.

It indicates either the tcm has a problem or the wiring to the tcm is the cause. This code could also mean there are other codes stored in the tcm that could be causing the problem.