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Tranny Issues


Loudog

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First of all, hello I haven't been around for a while. Glad to see the community is still strong and growing. So I have a 1996 Seville and as of last night I can not get into 3rd gear. It will try to shift, and it gets to about 3k RPM drops quickly and then shots back up and I can feel it slipping. I do not have any codes that indicate any transmission problems. Only my normal codes of PC1406 PC1599 RS0073 and rf2560. So I am at a bit of a loss and was looking for some guidance. If i stay at 30mph or below it drives perfectly fine.

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First of all, hello I haven't been around for a while. Glad to see the community is still strong and growing. So I have a 1996 Seville and as of last night I can not get into 3rd gear. It will try to shift, and it gets to about 3k RPM drops quickly and then shots back up and I can feel it slipping. I do not have any codes that indicate any transmission problems. Only my normal codes of PC1406 PC1599 RS0073 and rf2560. So I am at a bit of a loss and was looking for some guidance. If i stay at 30mph or below it drives perfectly fine.

If I am not mistaken, the trans will default to 2nd gear (limp home mode). I had it happen to my 95STS, and it was a shift solenoid. It happend to me at about 80,000 miles. It was around $300 bucks to replace it and I was back on the road for another 115,000 miles.

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So I got the error code last night of PC0741.

I don't believe that code has anything to do with your 2nd gear limp mode.

P0741 - TCC System Stuck Off

This will stop your torque converter from locking up.

I have said it and I have been challenged, I wish someone would clear it up if I am wrong, but it is my understanding that shift solenoids DO NOT set a code on OBD2. Your problem certainly sounds like shift solenoids, but if the P0741 is legit and not the result of the shift solenoids you have other problems. The shift solenoids are attached to the lower control body in the bottom pan. The TCC solenoid is in the side pan, I replaced mine when I did my ISS speed sensor.

For the hell of it, I would clean the main tranny plug to see if its filled with tranny fluid and that is causing your problems, I doubt it, but I like to start low on the totem pole first.

Good to see you Loudog, Mike

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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Well according to several shops I need a new tranny, as of today I only have 1st/2nd gear and I can feel the slipping getting worse. So now comes the debate of repair or replace..

Lou, they are full of crap if you only need shift solenoids, its hard to find shops to just fix what is WRONG, you need to seek those shops out. There is NO money in that for them the money is in rebuilding it.

What do you think those shops are going to tell you? What kind of shops are you asking? Tranny shops?

I watched a doctor the other night in the hospital talk a guy into spine surgery because he supposedly had a ruptured disk, he even gave the patient the urgency tactic, "I can get you in NOW, I can't guarantee that next week when you have pain"...... The guy had JUST hurt himself, no therapy, no rest, no second opinion, no chiropractor, go right for surgery right from the emergency ward... I never heard such marketing and high pressure to perform a surgery from a doctor. The doctor said, your insurance even covers it fully!!!! NA, no motivation there at all, huh? The guys wife pleaded with him to get a second opinion and he booked surgery for the morning!!!!!

The point I am bringing up Lou is, NO ONE fixes anything these days, they PARTS REPLACE!!! It would be hard for you to find an AC shop to replace the compressor clutch, they would want to replace the COMPRESSOR!! Don't make a mistake and spend $2200 when a $300 repair will do the job, hell while they are doing it they could replace the TCC solenoid, I did it in my FN driveway!

Be careful

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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