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1998 Ford Escort codes P1744 and P0761

Tiny
SAULVITE
  • MEMBER
  • 1998 FORD ESCORT
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 14,000 MILES
My automatic transmission has these codes p1744(tcc solenoid) and p0761(shift solenoid stuck off) I can only drive it manualy, first, second then drive. Otherwise it wont run. Just change oil and filter, and nothing, add a little bit of lucas antislip and nothing. Then I checked the computer for codes.

how are these two codes related?

can you provide a procedure to change solenoid "C"?

once removed how do I test it? And what else should I test besides selenoid?

pls provide do's and dont's, I don't want to have any mistakes, this is going to be my first trans. Opened.

thank you!
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Thursday, July 15th, 2010 AT 8:00 PM

7 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Hello and thanks for donating

DTC P1744 : Transmission Slip Detected = No TCC Operation or Transmission Slips

DTC P0761 : SS3 Solenoid Failure = Improper Gear Selection

Does reverse gear work fine? Other than having to manually change forward gears, does the transmission seem to do fine with no slipping or noises?
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Thursday, July 15th, 2010 AT 9:22 PM
Tiny
SAULVITE
  • MEMBER
  • 4 POSTS
In effect the reverse works fine, and there is no noises, once I get from 1st to 2nd and then to drive gear the car runs smooth until I get to the stop sign and start manually again.

Slips a little between gears, I assume it is because i'm not supposed to drive it manually.

Any help is welcome. Thank you guys!
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Saturday, July 17th, 2010 AT 9:48 AM
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
OK, so the solenoid is the most likely culprit here then. to reach the solenoid you first have to remove and disassemble the valve body of the tranny. follow the steps below which will help in removing the valve body and the solenoids. also i have provided a link to a great video on how to test shift solenoids..

http://www.youtube.com/watch?v=24gkmDDV0C8


https://www.2carpros.com/forum/automotive_pictures/261618_Noname_2474.jpg

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Sunday, July 18th, 2010 AT 11:22 AM
Tiny
SAULVITE
  • MEMBER
  • 4 POSTS
One last question do I repalce only shift selenoid c and will that probably eliminate p1744 also?
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Tuesday, July 20th, 2010 AT 12:21 PM
Tiny
SAULVITE
  • MEMBER
  • 4 POSTS
Just lowerd valve body, all selenoids click ok, and feeding voltage is present, what else shoud I try?
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Wednesday, July 21st, 2010 AT 1:42 PM
Tiny
COOJOFRESH
  • MEMBER
  • 1 POST
Saulvite did you ever resolve the issue? If so, how? Dod you end up DIY or did you take it to a mech?
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Thursday, May 5th, 2011 AT 4:25 AM
Tiny
ADAMPRINCE2
  • MEMBER
  • 2 POSTS
I know this post is old. However, for other people with the same problem I made a video on how to diagnose transmission codes P1744 P0749 P1740 P1742. I hope this helps someone solve their problem with low cost tools. http://www.youtube.com/watch?v=5-2T4qyL7JU
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Saturday, October 24th, 2015 AT 3:36 PM

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