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Unread 01-08-2013, 03:36 PM   #1
MichiganDuck
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WJ Wont move unless high rpms

My uncles Jeep is an 04 Limited 4.7 with Quadra-trac 2. He just got the diffs serviced and drove it home. Now it wont move unless you put it into high rpms. Noticed the ground strap on the trans was broke, but we grounded that and no change. The trans just seems like it wont engage, regardless of gear (reverse, drive, 2, 1)... Shifted into 4lo, and still wouldnt move. Shifting back into 4hi, and it grinded a little as if it was receiving input. Still wouldnt move.

Any thoughts?

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Unread 01-08-2013, 03:37 PM   #2
MichiganDuck
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Trans fluid is newer, full and in good condition.
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Unread 01-08-2013, 03:40 PM   #3
MichiganDuck
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Trouble codes we pulled:
P0700 and P0455
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Unread 01-08-2013, 03:45 PM   #4
XC_Jeeps
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P0700 is a tcm code that needs to be read by a drb or other expensive scan tool. P0455 is an evap code iirc
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Unread 01-08-2013, 03:50 PM   #5
bradywgn71
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Quote:
Originally Posted by XC_Jeeps View Post
P0700 is a tcm code that needs to be read by a drb or other expensive scan tool. P0455 is an evap code iirc
Yea, P0700 will need further scanning to determine what it is. P0455 could just be a worn or loose gas cap.
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Unread 01-08-2013, 03:58 PM   #6
ratmonkey
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in the mean time, do NOT continue to try and drive it.

get the codes and it'll tell you where you stand.
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Unread 01-08-2013, 04:18 PM   #7
KSFLATLANDER
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Does it roll in neutral? If not it could be brake calipers not releasing.
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Unread 01-08-2013, 06:21 PM   #8
MattND
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Might be in limp mode? Mine did that after stalling a bunch of times .. finally it gave me a check engine light and found out it was a p0700. Seemed like it was stuck in 3rd gear or something. Drove it about 8 miles.. seems fine now.
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Unread 01-08-2013, 06:26 PM   #9
yrkoverland
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Yes in limp mode with the 0700 code so it's in one gear hence why it won't move very well.

Could be a bad Tcm or ??
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Unread 10-05-2013, 06:01 AM   #10
MichiganDuck
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I hate threads with no conclusion, so although months later, it ended up being the solenoids in the trans, and it needed a rebuild.
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