Shifting

1995 CHEVROLET TAHOE
178,671 MILES • 3.0L • V8 • 4WD • AUTOMATIC
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PRIEST CARROLL
  • MEMBER
  • 1 POST
Once put in gear it does not shift to next gear. I have changed the transmission and transfer case three times same reaction. need your advise!
Oct 15, 2017 at 3:35 PM
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STEVE W.
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 15,146 POSTS
The power train control module operates both the engine and transmission. I would check to see if the wiring to the transmission is okay. Check all fuses. If they all look good I would suspect the PCM is bad.
Oct 16, 2017 at 10:08 PM
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