QuestionHi Roland,
I previously asked the other expert about some help with my car and unfortunately the other advice was not satisfactory! Without asking any questions and taking what I said into consideration, he responded you will not be able to diagnose or work on this problem with any tools, and to contact is mobile service in Atlanta, but the issue is that I live in Indianapolis, IN!! I have gotten the codes read and have access to a code scanner and I have a whole slough of tools!! Anyways I have a 97 Chrysler Cirrus LX that is currently in Limp Mode. I have pulled the trouble codes from the computer which were p0700 and p0750 which is a transmission solenoid pack malfunction, and transmission control system malfunction! I have also received a code for the O2 sensor which I will be replacing here shortly, but I really need some help or guidance in trying to solve this issue myself if at all possible!! I recently have been furloughed from work and lost my company vehicle so this is my only form of transportation and I do not have the money to take it to the dealer to get fixed and I need this vehicle to try in look for work and try to survive!!! Can you please help and give me some guidance in trying to fix this issue, if that is not at all possible than I have to accept that!! Thank you for your time and consideration in this matter and I hope to hear from you soon.
Kind Regards,
Tyler
AnswerHi Tyler,
The 0750 is a specific code, the 0700 just is a verifier that there is a specific code stored in the memory. However once the 0750 is resolved if the 0700 stays then it may suggest a trans control module itself issue. So setting that aside and looking at the 0750, it is saying that the solenoid which controls the Low/Reverse clutch is not responding electrically when tested. It may either be the wiring between the TCM and the solenoid or the solenoid itself has failed. If you have a volt-ohm meter you can check the wiring: The wire that activates the solenoid is between pin 6 of the solenoid pack (plug has 8 wires) which is mounted on the front side of the transmission and pin 59 of the transmission control module and is brown/tan in color. You could verify the continuity of that wire (0 ohms) and also test to be sure it shows infinite resistance to ground. The TCM is inboard and next to the power distribution box.
If that passes, then you could check between pin 6 and pin 4 of the socket at the solenoid pack which should show continuity if the solenoid is electrically connected.
If not, then that needs to be replaced. You have to remove the solenoid pack which is retained by three bolts mounted vertically, after first removing the input speed sensor just above the sound box, and then the sound box that encloses the pack. Remove the three vertical bolts and lift out the solenoid assembly. Generally I believe that the solenoid pack is replaced as a whole even though only one may be bad, but you could inquire if the solenoid itself is sold separately at a dealer parts counter. The three bolts are torqued to 105 inch-pounds, the speed sensor to 20 foot-pounts (about like a spark plug).
Ideally this would resolve the problem and get the transmission shifting normally again instead of being in limp-mode. The only cost would be the solenoid pack, and thus you would not be involved in removing and rebuilding the transmission due to this code. I hope this works out as described for you.
Roland
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