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+--- Forum: General 4X4 (http://www.arcticoffroad.com/forumdisplay.php?fid=9)
+--- Thread: Aw4 (/showthread.php?tid=3288)
Aw4 - justimpact - 29 Mar 09
Does any one have any experiance with them. The one in project rubicant is stuck in 3rd gear in drive. If I manualy shift it 1-D it will skip 2nd and won't go into 4th. Did some reasearch on alldata seems like tranny is in safe mode. Looking for a stand alone transmission controler to bypass the OEM TCM let me know if you have any info or good web sites
Aw4 - sevenslats - 29 Mar 09
Definately limp-home mode.
What are you using for a computer right now?
Aw4 - justimpact - 29 Mar 09
OEM TCM
Aw4 - AKMark - 29 Mar 09
Try unplugging the TCM. With it unplugged you will have to use the shift lever to shift, but 1st 2nd and 3rd should work.
At least that's what a few of the older AW-4's I've played with did.
Aw4 - TJVigilante - 29 Mar 09
Sounds like a typical failure in Jeep/Chrysler autos. I had the same issue in my old LHS and they just had to replace a ~$300 plug-in module.
Aw4 - justimpact - 29 Mar 09
I haven't disconected the module but have had the battery disconected for a few days and had no change
Aw4 - Zukman - 29 Mar 09
what about the shift sellector on the side of the trans, i mj that would spaz i drilled the rivets out and cleaned it. it worked fine after that.
Aw4 - justimpact - 29 Mar 09
http://articles.jeepforum.com/XJ_AW4_TCU_Shift_Mod
check out this article though i would give it a try
Aw4 - justimpact - 01 Apr 09
So while trying to install the switches in that article I noticed that I was missing a section of that harness from the XJ that goes from the engine harness to the body and back out and in to the tranny harness so I got on alldata and found some conector views and a extra connector and spliced them in to the new connector and then went for a road test now In (D) I have 1-4 so cool now I will make the mods in the article to manualy control what gear I am in thanks for the sugestions