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Transmission replacement

Tiny
JODESSA SENECAL
  • MEMBER
  • 2007 CHEVROLET TRAILBLAZER
  • 4.2L
  • V6
  • 4WD
  • AUTOMATIC
  • 190,000 MILES
I recently had the transmission replaced by DIY mechanic, changed the ignition but now the vehicle will not move forward or backward after starting it up. Is there some kind of reset or reboot necessary to do to the ECM or other "brain" system to the vehicle?
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Sunday, April 30th, 2017 AT 12:58 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
If the tap values were not reset then you may not have any gears which a mechanic or transmission professional can do or he did not install it correctly and torque converter was not installed all the way and when he started it broke the gears in oil pump. Tap values are transmission adaptive pressure information.
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Sunday, April 30th, 2017 AT 1:47 PM

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