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p0753 p0758 questions

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Old 07-16-2013, 12:15 AM
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No i will try to adjust it in the morning. It is about a 1/4 inch past the max line
Old 07-16-2013, 12:22 AM
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Originally Posted by speedyo
It is about a 1/4 inch past the max line
That wouldn't alarm me, but stranger things happen. No bubbles in the fluid clinging to the dipstick after it's run awhile?
Old 07-16-2013, 09:58 AM
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Nope it warms up and i check in neutral no bubbles i am going to drain a bit and change the TV cable. Will update in a bit
Old 07-16-2013, 11:26 AM
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Ok adjusted TC and lowered fluid. Now i have no CEL or codes. But i have no first gear or any other gears just 3rd. Drive starts in 3rd wont downshift or upshft.
Old 07-16-2013, 03:54 PM
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Originally Posted by speedyo
Ok adjusted TC and lowered fluid. Now i have no CEL or codes. But i have no first gear or any other gears just 3rd. Drive starts in 3rd wont downshift or upshft.
Sure it isn't in 4th? That's the default if the solenoids aren't working.
If it shifts through the gears by hand, start looking at the electronics again, beginning with the TCU- power and ground.
Old 07-16-2013, 04:06 PM
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it may be 4th i figured 3rd but i downshift into 2nd and 3rd and nothing
Old 07-16-2013, 04:09 PM
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Originally Posted by speedyo
it may be 4th i figured 3rd but i downshift into 2nd and 3rd and nothing
Won't change gears with the manual selector?
How did you adjust the TV cable?
Old 07-16-2013, 04:11 PM
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Article i selected said to press button and pull cable back then apply full throttle and it will click to were it needs to be. I take it i did it wrong?
Old 07-17-2013, 01:21 PM
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any ideas anyone trying to fix this asap. Thanks again
Old 07-17-2013, 04:39 PM
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Originally Posted by speedyo
Article i selected said to press button and pull cable back then apply full throttle and it will click to were it needs to be. I take it i did it wrong?
That's the way I do it.

I'm still unclear- does the transmission not shift gears manually now?
Old 07-17-2013, 04:54 PM
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Nope just stuck in 3rd... atleast i think its 3rd i put it manually in 2nd and 3rd and they are all the same
Old 07-17-2013, 05:00 PM
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Originally Posted by speedyo
Nope just stuck in 3rd... atleast i think its 3rd i put it manually in 2nd and 3rd and they are all the same
So starting off in 1-2 you get third gear? Try it with the TCU completely disconnected.
Old 07-17-2013, 05:11 PM
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Just tried it with it plugged in 2nd gear 3rd and drive all are the same 3000 rpm at 50mph... with it unplugged same exact results. But when i unplugged CEL light came on.
Old 07-17-2013, 05:15 PM
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also it didnt want to stay running when i turned it on i had to give it gas. But as soon as i moved it into gear it idled correctly
Old 07-17-2013, 07:03 PM
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Bizarre.
Originally it would shift 1-2-3 manually but start off in 3rd? when in D.
Then you changed the solenoids and it worked correctly for about 50 miles.
Then it started slipping out of gear and you are getting a new code- P0756, which is a mechanical fault with solenoid B.
You lowered the fluid level a bit and adjusted the TV cable, now it's stuck in 3'rd all the time, even when you move the shift lever to 1-2.

At this point I'd pull the pan and see what's jammed up around solenoid #2. Perhaps swap it with one of the ones you pulled that were functional. Also what type of fluid did you refill with?


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