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Standard RY438 with Master Pro 2PS10 pigtail socket.
Thank you. Mine has been stuck in limp mode low one for 2 weeks now sometimes it doesn't but most the time it stays there. New PCM new TCM alternator starter all of that and the code keeps coming up TCM or po882. So frustrating have checked the grounds on the fenders and under the hood so far nothing.
 
Discussion starter · #25 ·
Thank you. Mine has been stuck in limp mode low one for 2 weeks now sometimes it doesn't but most the time it stays there. New PCM new TCM alternator starter all of that and the code keeps coming up TCM or po882. So frustrating have checked the grounds on the fenders and under the hood so far nothing.
What year and model is your PT?
 
Discussion starter · #28 ·
You didn't mention whether the battery was checked or replaced.
The electrical system has to be healthy but it seems as if you have pretty much checked it out.
The problem on mine was in the TIPM. The relay merely bypassed the TIPM.
The P0882 code along with limp mode seems to be a known problem on second generation PTs
due to a glitch in the TIPM. The relay does nothing to fix the problem in the TIPM (bad solder
joint, bad driver transistor?) but serves as a work around to avoid replacement of the costly TIPM.
My preference would be to replace the TIPM but the relay fix has worked for me for the past 7 months. YMMV.
 
You didn't mention whether the battery was checked or replaced.
The electrical system has to be healthy but it seems as if you have pretty much checked it out.
The problem on mine was in the TIPM. The relay merely bypassed the TIPM.
The P0882 code along with limp mode seems to be a known problem on second generation PTs
due to a glitch in the TIPM. The relay does nothing to fix the problem in the TIPM (bad solder
joint, bad driver transistor?) but serves as a work around to avoid replacement of the costly TIPM.
My preference would be to replace the TIPM but the relay fix has worked for me for the past 7 months. YMMV.
Yes new battery also is there any possibility you can give me in detail how I could do this? Thank you so much for responding and trying to help me with this I love my girl and everybody keeps telling me it's a PT Cruiser junk it but she has so many new parts on her and she looks so beautiful. Runs like a charm until this happened.
 
. . . . Yes new battery also is there any possibility you can give me in detail how I could do this? . . . .
You can go back to post #14, dated May 25, 2024 at 10:37 am for discussion about code P0882. There is a link to a video produced by Ivan at Pine Hollow Auto Diagnostics. He use an oscilloscope that shows how the T16 circuit controlled by the TIPM intermittently fails and causes limp mode. This identifies why limp mode is happening.

Part 2 of his video shows a work around and installation of a bypass relay. Link to it is below.


8:05 -- he talks about adding a bypass relay.
10:20 -- shows relay kit to be used
11:20 -- using a wiring diagram he shows where to make wire splices to include the relay
16:00 -- shows soldering relay wires into existing wires in wiring harness.

Diagram below shows how he is connecting the relay into the wiring harness in the video.



One procedure that I do not like is that when he solders relay wires into the existing harness wires, the harness is plugged into the PCM. When you solder wires, the wire gets very hot and it will conduct heat along its length. That heat travels into the PCM and can be harmful to electronic components. I would strongly suggest detaching that wiring connector at the PCM before doing any soldering action.
 
You can go back to post #14, dated May 25, 2024 at 10:37 am for discussion about code P0882. There is a link to a video produced by Ivan at Pine Hollow Auto Diagnostics. He use an oscilloscope that shows how the T16 circuit controlled by the TIPM intermittently fails and causes limp mode. This identifies why limp mode is happening.

Part 2 of his video shows a work around and installation of a bypass relay. Link to it is below.


8:05 -- he talks about adding a bypass relay.
10:20 -- shows relay kit to be used
11:20 -- using a wiring diagram he shows where to make wire splices to include the relay
16:00 -- shows soldering relay wires into existing wires in wiring harness.

Diagram below shows how he is connecting the relay into the wiring harness in the video.

View attachment 108363

One procedure that I do not like is that when he solders relay wires into the existing harness wires, the harness is plugged into the TIPM. When you solder wires, the wire gets very hot and it will conduct heat along its length. That heat travels into the TIPM and can be harmful to electronic components. I would strongly suggest detaching that wiring connector at the TIPM before doing any soldering action.
Thank you
 
Discussion starter · #34 ·
Nice looking PT!
This thread with the various links and video explains it all as to how to install the relay.
It is a bit tedious to take it all in and not for the faint-hearted but IMHO worth the effort
because otherwise you are potentially looking at replacing the TIPM.
If you are not an electronics type person perhaps you know a friend that is so inclined
who could guide you along.
 
I had purchased a Dorman replacement TIPM for my PT and it was truly plug & play. At that time they were just under $300, now they are over $700.

It might still be working today in my PT but a shop, while doing some other work, fried it and it was replaced by an OE TIPM.

It can be a little daunting to replace, once you turn the TIPM over and look at all of the connectors. But once you figure out how they unlock and unplug, it is really a simple process to replace.

There are plenty on Ebay of remanufactured for around $200. Just be aware that there is a different one for the sedan and 'vert.



I have also read stories of people buying one at salvage yards for as little as $20 as the yard may just consider the part a fuse box. I don't know what kind of chances there would be of finding a 'vert in a salvage yard. But if you got one out of a salvage, it could have the same problem that yours has, or other issues.

Good luck with your 'vert :cool:
 
Nice looking PT!
This thread with the various links and video explains it all as to how to install the relay.
It is a bit tedious to take it all in and not for the faint-hearted but IMHO worth the effort
because otherwise you are potentially looking at replacing the TIPM.
If you are not an electronics type person perhaps you know a friend that is so inclined
who could guide you along.
Thank you again
 
MelissaAnn44691. You might try getting in touch with fellow member Myckee about a replacement TIPM. I'm not sure if he messes with the second gen PT's but he sure can tune a first gen PT control module like nobody else. What say you Myckee? Are you following this thread?
 
MelissaAnn44691. You might try getting in touch with fellow member Myckee about a replacement TIPM. I'm not sure if he messes with the second gen PT's but he sure can tune a first gen PT control module like nobody else. What say you Myckee? Are you following this thread?
Thank you I will try my best. I'm still learning how to navigate on here.
 
I sent Myckee a message. He's a busy guy, so it may be a day or two or longer before he replies. I asked him to contact you, but I may get a response first. If I do, I'll let you know what he says.
 
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