Replaced TCC valve, now transmission will not engage any gear?

1996 CHEVROLET SILVERADO
307,000 MILES • 5.7L • V8 • 2WD • AUTOMATIC
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TAYLOR BOWMAN
  • MEMBER
  • 1 POST
I can shift through every single gear, but transmission won’t engage.
-4L60E.
-Fluid level verified.
Jul 31, 2023 at 1:34 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,249 POSTS
Is the main transmission wiring connector in good shape and connected? You could have a fluid filter that has come out of the front pump, so the unit is not picking up fluid. Let's run the codes to see what comes up and please follow these guides:

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

and

https://www.2carpros.com/articles/how-to-diagnose-and-fix-an-automatic-transmission-that-wont-engage-gears

Please go over these guides and get back to us.
Jul 31, 2023 at 9:54 AM
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