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Codes P0700 and P0751

Tiny
STEVIE12
  • MEMBER
  • 2007 CHEVROLET IMPALA
  • 126,000 MILES
Engine light on. Took car to Autozone codes P0700 and P0751. No first or fourth gear.
Thursday, October 26th, 2017 AT 7:12 PM

3 Replies

Tiny
PATENTED_REPAIR_PRO
  • MECHANIC
  • 1,853 POSTS
The P0700 just means that a code is set in the TCC and in this case it is that P0751.

That P0751 refers to a fault with the first to second shift valve performance, which is located inside the transmission.

It is possible that it is that shift valve but there are some other things to try or check first.

Take a look at:

https://goo.gl/7C6VYc

Here are the instructions for replacing that shift valve and/or solenoid and removing the valve body cover:

https://goo.gl/xu9Ra2 and https://goo.gl/dU7k1D

This should be the correct solenoid from Summitracing for $23.00:

https://goo.gl/sRr44M
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Friday, October 27th, 2017 AT 5:29 AM
Tiny
PATENTED_REPAIR_PRO
  • MECHANIC
  • 1,853 POSTS
Correction: That should have read "The P0700 just means that a code is set in the TCM", not TCC. Which stands for the transmission control module.
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Saturday, October 28th, 2017 AT 6:25 AM
Tiny
STEVIE12
  • MEMBER
  • 55 POSTS
Thank you.
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Saturday, October 28th, 2017 AT 6:35 AM

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