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2003 caravan in limp mode

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Old 02-17-2011, 01:36 PM
unclenuggy unclenuggy is offline
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Default 2003 caravan in limp mode

my 2003 caravan is in limp mode, took it to tranny shop and he said wiring problem, have gauges and speedometer, noticed when i turn the key on i have no power at my eatx relay, does anyone know where i can find a wiring diagram of the ipm and the wiring from the ipm to the tcm and pcm, thanks
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Old 02-17-2011, 04:49 PM
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Tizzy1 Tizzy1 is offline
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Not sure what all you need, did you check for codes or did the shop tell you what code you have. Here's the etax relay diagram.

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Old 02-17-2011, 04:50 PM
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Old 02-17-2011, 04:50 PM
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Old 02-17-2011, 05:06 PM
unclenuggy unclenuggy is offline
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that should get me going, they had a ton of codes, one coad was low voltage, they said to many to think it was just one problem, so they said it was a wiring issue, i have my speedo, odom, and shift lights all work normal, have only power going to 87 on the relay, so relay not turning on, it is just like you took the relay out and tried to drive down the road,

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Old 02-17-2011, 10:40 PM
unclenuggy unclenuggy is offline
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problem solved, it was the yl / or wire coming out of the ipm, it had a bad spot was easy to find with the wiring diagrams, thanks again
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Old 12-31-2012, 06:18 PM
TomCatinNC TomCatinNC is offline
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Default Wire problem resolved

I know this thread is older but I just used it to fix a friends Caravan. I would like to say thanks to Tizzy1 for all the info. The caravan was in limp mode with code P0700. After talking to people he changed TCM, Input and Output sensors and the solenoid valve. Nothing changed it, after reviewing this post started checking all the wiring. Problem ended up the EATX Relay was not getting a ground. We ran a ground wire to it and problem was solved. Without this post we probably would still be scratching our heads.

The relay ground (pin 85) was not grounding, ran a wire from battery to the pin on the relay and put it back in. Will tie it back into the plug later.

Thanks for all the info and hope my results may help someone else in the future.

TomCatinNC
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Old 01-01-2013, 12:04 PM
TomCatinNC TomCatinNC is offline
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In my previous post I said I was going to tie the new ground into the plug, that can't happen. The actual problem is in the box the relay plugs into (ipm). I had continuity on the original ground from the plug (black with Orange stripe). I did not have it from the ipm's pin to the socket where the relay plugged in. I hope this clarifies it better.

Tom
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Old 01-01-2013, 12:04 PM
 
 
 
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