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Code P1775, jerks when coming to a stop?

Tiny
AUSTIN501011 L
  • MEMBER
  • 2003 CHRYSLER CONCORDE
  • 2.7L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 129,000 MILES
I was having trouble shifting from 2nd to 3rd with codes p0841 and p0700. I ended up replacing the solenoid pack with new atf+4 fluid and filter, and a new gasket. That took care of the shifting problem but now I have code p1775 and it jerks when I'm coming to a stop at 5 MPH or less. Doesn't do it when taking off. I tried having a quick learn procedure done and the tranny shop claims the car wouldn't accept the procedure, so they want to replace the transmission. I read it could be the solenoid pack I just replaced or the valve body.
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Sunday, April 30th, 2023 AT 10:53 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,240 POSTS
Here is what is said about the code P1775:

Code P1775 refers to a transmission-related issue. Specifically, this code indicates a problem with the solenoid switch valve latched in the low/reverse position.

I would check the wiring and connectors and if they are okay, I would replace the valve body with a rebuilt unit. Here is how in the images below. Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.
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Sunday, April 30th, 2023 AT 11:43 AM
Tiny
AUSTIN501011 L
  • MEMBER
  • 3 POSTS
Are the springs and accumulator different sizes? Does it matter which hole of the tranny I put them back into. I don't know if the accumulator goes 1st and then the springs. Is there anywhere on the valve body those springs are supposed to sit? I've had the valve body down to replace the solenoid pack so I'm already familiar with them. I just want to double check and make sure I didn't put them back incorrectly.
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Sunday, April 30th, 2023 AT 5:30 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,240 POSTS
Yes, it does matter the springs need to not be mixed up and they need to be put back where they came out of.
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Monday, May 1st, 2023 AT 10:19 AM

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