Thread: Replace Pressure Control Solenoid

Results 1 to 6 of 6
  1. #1 Replace Pressure Control Solenoid 
    SE Level Member
    Join Date
    Aug 2011
    Location
    Wareham, MA
    Posts
    3
    Thanks (Received)
    0
    Likes (Received)
    0
    Dislikes (Received)
    0
    Chats
    0
    Have a transmission problem with my 2000 GT. Brought to Aamco to get diagnosis and pull any codes. They gave me P0748 and told me it could be one of a few electrical issues. P0748 refers to the Pressure Control Solenoid. I would like to know if anyone has replaced the PCS themselves and if so what work is involved and if you can replace it without taking the tranny off the car. Thanks.
    Reply With Quote  
     

  2. #2 Re: Replace Pressure Control Solenoid 
    Donating User Swiggles's Avatar
    Join Date
    May 2009
    Location
    Quincy, Mass
    Posts
    2,226
    Thanks (Received)
    0
    Likes (Received)
    3
    Dislikes (Received)
    0
    Chats
    1847
    i havent done one but it is inside the transmission in the valve body. it can be done in the car, you have to drop the sub frame to get to it and take the side cover off the transmission. you could buy an already rebuilt valve body and it would make the job alot easier and it replaces the solenoids and stuff.
    No more GP 04 Impala SS Indy:
    Gen V 3.4”|FWI|N* TB lq4 MAF|1.9 Modded Rockers|F&R Plogs|ZZP 3" Catted DP|ZZP 2.5" Catback|
    Reply With Quote  
     

  3. #3 Re: Replace Pressure Control Solenoid 
    Transmission Expert Trannyman95's Avatar
    Join Date
    Dec 2007
    Location
    Fort Wayne, IN
    Posts
    1,858
    Thanks (Received)
    0
    Likes (Received)
    0
    Dislikes (Received)
    0
    Chats
    0
    Before you dive into replacing the solenoid you need to ohm check it to determine if it is even bad. The best place to start is right at the pcm connector and use an ohm meter to check the resistance between the two wires for the pcs that go to the trans. There are ohm specs for the solenoids on our website for reference. You will need to get a pcm connector pinout picture and schematic to find the correct wires but this is a must-do step. You should also check each wire to ground and also measure each wire from the pcm connector to the transmission connector to make sure there is not a broken wire or one rubbed through and shorted to ground. A common wear area is just under the air box near the AC accumulator and lines where the harness lays on it. After the external wiring has been verified good/bad and if ok then you should do an ohm check right at the trans connector itself to check the solenoid resistance and if found bad right at the trans then it could be a bad internal transmission wire harness or the solenoid and that would require dropping the transmission down to remove the side cover for repair.
    Reply With Quote  
     

  4. #4 Re: Replace Pressure Control Solenoid 
    SE Level Member BLWNPontiacs's Avatar
    Join Date
    Sep 2011
    Location
    Bucks County PA
    Posts
    74
    Thanks (Received)
    0
    Likes (Received)
    0
    Dislikes (Received)
    0
    Chats
    0
    Quote Originally Posted by Trannyman95 View Post
    Before you dive into replacing the solenoid you need to ohm check it to determine if it is even bad. The best place to start is right at the pcm connector and use an ohm meter to check the resistance between the two wires for the pcs that go to the trans. There are ohm specs for the solenoids on our website for reference. You will need to get a pcm connector pinout picture and schematic to find the correct wires but this is a must-do step. You should also check each wire to ground and also measure each wire from the pcm connector to the transmission connector to make sure there is not a broken wire or one rubbed through and shorted to ground. A common wear area is just under the air box near the AC accumulator and lines where the harness lays on it. After the external wiring has been verified good/bad and if ok then you should do an ohm check right at the trans connector itself to check the solenoid resistance and if found bad right at the trans then it could be a bad internal transmission wire harness or the solenoid and that would require dropping the transmission down to remove the side cover for repair.
    Absolutely correct, great post.
    -09 BMW 328i Xdrive
    -06 LSM GXP-Factory Nav & moonroof, stock...for now.
    -98 Silvermist GTP Coupe-Getting junked or parted out.
    -09 G8 GT-Totaled due to some dumbass 18yr old kid
    Reply With Quote  
     

  5. #5 Re: Replace Pressure Control Solenoid 
    SE Level Member Wakingcrow's Avatar
    Join Date
    Mar 2017
    Location
    Florida
    Posts
    77
    Thanks (Received)
    0
    Likes (Received)
    1
    Dislikes (Received)
    1
    Chats
    5
    What does that connector look like and is it on the passenger side? Above the speed sensor somewhere?
    Reply With Quote  
     

  6. #6 Re: Replace Pressure Control Solenoid 
    Solving problems BrandonHall10's Avatar
    Join Date
    Mar 2014
    Location
    Tucson
    Posts
    3,167
    Thanks (Received)
    10
    Likes (Received)
    146
    Dislikes (Received)
    3
    Chats
    2468
    Drivers side. Near the top.
    Replace Pressure Control Solenoid Attached Images
    Reply With Quote  
     

Similar Threads

  1. pressure control solenoid ?s
    By circa09 in forum 1997-2007 4 speed Automatic (4T65E) (4T65E-HD)
    Replies: 0
    Last Post: 04-11-2011, 03:53 PM
  2. Pressure control solenoid?? HELP
    By gtpman in forum 1997-2007 4 speed Automatic (4T65E) (4T65E-HD)
    Replies: 2
    Last Post: 09-14-2010, 08:56 AM
  3. Pressure Control Solenoid?
    By Klutch in forum 1997-2007 4 speed Automatic (4T65E) (4T65E-HD)
    Replies: 12
    Last Post: 08-04-2009, 01:09 AM
  4. Pressure control solenoid, anyone got a writeup on changing it?
    By Merlin in forum 1997-2007 4 speed Automatic (4T65E) (4T65E-HD)
    Replies: 21
    Last Post: 04-29-2009, 11:05 PM
Tags for this Thread

View Tag Cloud

Bookmarks
Bookmarks
Posting Permissions
  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •