P0882 code, limp mode

Tiny
ATTILA CSEH
  • MEMBER
  • 2011 VOLKSWAGEN ROUTAN
  • 3.6L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 60,000 MILES
I made a mistake. I had a turning signal problem, so I was looking the relay to check it. I pulled out several relays (there is 6, all the same), and I forgot how they were plugged in. You can plug in 2 ways. So I made a mistake, then when I was driving I got check engine lights on, and can't drive more than 20 mph. Stopped at AutoZone, and the readings are: Codes: P0882, U0100, U0101.
I finally did a research, my friend has a same van, so I pulled out the relays, and put it back in order as his. The top left is the K5 shows PCM on the cover, but online shows TCM. So I replaced just in case, and also the fuse of J18. My question is, because it is still in limp mode, should the computer realize I fixed the problem (I hope I did) or need to reset it? I disconnected the battery, but only for like 4 minutes, what cleared the check engine lights, but limp mode still there and a light came back after I drove around the corner. Should I leave disconnected for hours, or I didn't fix the problem?

I bought a reader, and cleared the code, car still in limp mode, and code comes back after a test drive. Also I checked K10 relay ( ASD), still don't know if they are in a right position. I got 12 V in the socket on the left 2 pin hole. So that mean where I am getting 12V ( Car off) than I put the relay in to match 85 and 30 legs?
Saturday, August 24th, 2019 AT 6:38 PM

7 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Hello,

Here are the diagrams to see if you have the relays in correctly and if so it sounds like the TIPM has gone out which is common. But the good news is it is easy to replace because it self initializes. Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
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Monday, August 26th, 2019 AT 3:16 PM
Tiny
ATTILA CSEH
  • MEMBER
  • 5 POSTS
Also do you have a photo of the PCM/TCM diagram, how to install correctly?
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Tuesday, August 27th, 2019 AT 9:14 AM
Tiny
ATTILA CSEH
  • MEMBER
  • 5 POSTS
This is how I read 12V on those two ports, and plugged the relay to my PCM, and I followed the same method on all.
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Tuesday, August 27th, 2019 AT 9:29 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
They don't show that but they look like they are upside down to me. I don't think you can do any damage if you flip them around. Let me know.
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Tuesday, August 27th, 2019 AT 11:17 AM
Tiny
ATTILA CSEH
  • MEMBER
  • 5 POSTS
Still the same. I called the company who sells rebuilt TIPM and they said doesn't matter how the relays plugged in. What I would like to know what is the procedure to see if the right voltage is going to the TCM from the TCM relay, to see if my real problem is the TIPM. Because if fuses and relay are good. TCM not getting the right voltage, it is clearly the TIPM the bad part.
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Wednesday, August 28th, 2019 AT 8:57 AM
Tiny
ATTILA CSEH
  • MEMBER
  • 5 POSTS
I found the procedure but still need some photos to locate the harness 4 from TCM. Procedure here:https://gearsmagazine.com/magazine/bypass-the-tipm-to-test-code-p0882/
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Wednesday, August 28th, 2019 AT 10:41 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
I see from the wiring diagrams there is a transmission control relay that could be out. here is a guide to help check with the transmission wiring diagrams below so you can see how the system works and a guide to help test it:

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Check out the diagrams (below). Please let us know what you find.

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Thursday, August 29th, 2019 AT 10:36 AM

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