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  #1  
Old 03-27-2016, 01:26 PM
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Error code P02706 & P0700

Leaving church today I received my first check engine light on. Reads out ecm received a signal that the transaxle control module has a fault.
The other reads Bad transmission solenoid.


Help ?

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  #2  
Old 03-27-2016, 02:11 PM
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Re: Error code P02706 & P0700

P2706 means that there is a problem with the multi-select solenoid or its electrical circuit. I would erase the fault and see if it comes back.
Which engine/transmission does your jeep have? Looking at the fault description the 4.7L with 5-45RFE?
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Old 03-27-2016, 02:12 PM
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Re: Error code P02706 & P0700

Quote:
Originally Posted by Frango100 View Post
P2706 means that there is a problem with the multi-select solenoid or its electrical circuit. I would erase the fault and see if it comes back.
Which engine/transmission does your jeep have?


I have a 5.7l 4x4 with 126k. Just flushed the fluid 2,000 miles ago.
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Old 03-27-2016, 02:16 PM
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Re: Error code P02706 & P0700

Ok, that one uses the same 5-45RFE transmission. I would first remove the large connector on the left side of the transmission, which connects directly on the TRS/solenoid block. Check for eventual moisture and/or corrosion of the pins. If after re-connecting the connector the fault persists, then most probably the multi-select solenoid is faulty and the TRS/solenoid block must be changed.
In case needed, here they sell the OEM block for a good price: http://www.electricaladvantage.net/45rfe545rfe.aspx
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Old 03-27-2016, 02:41 PM
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Re: Error code P02706 & P0700

Quote:
Originally Posted by Frango100 View Post
Ok, that one uses the same 5-45RFE transmission. I would first remove the large connector on the left side of the transmission, which connects directly on the TRS/solenoid block. Check for eventual moisture and/or corrosion of the pins. If after re-connecting the connector the fault persists, then most probably the multi-select solenoid is faulty and the TRS/solenoid block must be changed.
In case needed, here they sell the OEM block for a good price: http://www.electricaladvantage.net/45rfe545rfe.aspx
Okay cool.


Is that it.
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Old 03-27-2016, 02:46 PM
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Re: Error code P02706 & P0700

Yes, that's the one. You pull the grey tab towards you and it will swing down, pushing the connector up.
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Old 03-27-2016, 03:05 PM
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Re: Error code P02706 & P0700

Quote:
Originally Posted by Frango100 View Post
Yes, that's the one. You pull the grey tab towards you and it will swing down, pushing the connector up.


looks healthy.

---------- Post added at 06:58 PM ---------- Previous post was at 06:52 PM ----------

Quote:
Originally Posted by Frango100 View Post
Yes, that's the one. You pull the grey tab towards you and it will swing down, pushing the connector up.


How do I clip it back in

---------- Post added at 07:05 PM ---------- Previous post was at 06:58 PM ----------

It's has to come down all the way to reseat and lock.
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Old 03-27-2016, 03:07 PM
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Re: Error code P02706 & P0700

I would use some contact spray on both sides, just to remove any eventually present corrosion or moisture. If done that, just push the connector in place, and the grey tab will move up. Move the tab further up by hand until it locks.
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Old 03-27-2016, 03:24 PM
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Error code P02706 & P0700

Quote:
Originally Posted by Frango100 View Post
I would use some contact spray on both sides, just to remove any eventually present corrosion or moisture. If done that, just push the connector in place, and the grey tab will move up. Move the tab further up by hand until it locks.

Okay locked and loaded. Plug feels secure. I can tug on it and it's not losing its seat. Now where is the solenoid? Was that it and is the the TCM.
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Old 03-27-2016, 06:37 PM
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Re: Error code P02706 & P0700

The multi-function solenoid, as in fact all solenoids on this transmission, is part of the TRS/solenoid block inside the transmission. You can not change the solenoid alone, but only the whole TRS/solenoid block assy. In fact changing just a single solenoid is possible, but I have never seen the solenoids to be sold separately.
You have now made sure that the problem is not with a bad contact in the large connector, so if the problem persists, the problem most probably is the TRS/solenoid block, but could eventually be a wiring problem or a TCM problem. On your jeep the TCM is internal to the PCM.
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Old 03-29-2016, 08:50 PM
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Re: Error code P02706 & P0700

Quote:
Originally Posted by Frango100 View Post
The multi-function solenoid, as in fact all solenoids on this transmission, is part of the TRS/solenoid block inside the transmission. You can not change the solenoid alone, but only the whole TRS/solenoid block assy. In fact changing just a single solenoid is possible, but I have never seen the solenoids to be sold separately.
You have now made sure that the problem is not with a bad contact in the large connector, so if the problem persists, the problem most probably is the TRS/solenoid block, but could eventually be a wiring problem or a TCM problem. On your jeep the TCM is internal to the PCM.

Thanks for the info. I will take note. I hope it was just a pcm hiccup.
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Old 04-05-2016, 12:55 PM
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Re: Error code P02706 & P0700

Quote:
Originally Posted by Frango100 View Post
I would use some contact spray on both sides, just to remove any eventually present corrosion or moisture. If done that, just push the connector in place, and the grey tab will move up. Move the tab further up by hand until it locks.


Check engine is back and it's stuck in 3rd
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