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-   -   service 4wd light with no dtc? (http://www.jeepgarage.org/f5/service-4wd-light-with-no-dtc-13529.html)

boss_hemi 10-02-2010 09:57 PM

service 4wd light with no dtc?
 
my service 4wd light has been on for a while on my 05 gc wk limited 5.7, i paid the dealership $90 to clear it and it came back on the same day. nothing shows up on the scanner, what's the deal?

5.7Unlimited 10-02-2010 10:55 PM

Re: service 4wd light with no dtc?
 
Any symtoms at all such as really bad low speed crow hop while turning?

cain45 10-02-2010 10:56 PM

Re: service 4wd light with no dtc?
 
Mine did this too and they had to replace the front differential sensor. It's about a $45 part. Fixed it right away.

boss_hemi 10-03-2010 01:41 PM

Re: service 4wd light with no dtc?
 
actually i did notice it crow hopping when i turned sometimes.. is that the sensor that cain45 mentioned?

SvenskaJeepGuy 10-03-2010 09:14 PM

Re: service 4wd light with no dtc?
 
there is a TSB for false service 4wd warnings. i had mine flashed and it hasnt come up again since then.

5.7Unlimited 10-04-2010 09:27 AM

Re: service 4wd light with no dtc?
 
Mine was crow hopping very bad when my wheel speed sensor went out, although I had a code showing which sensor.

boss_hemi 10-04-2010 11:17 AM

Re: service 4wd light with no dtc?
 
alright i guess i'll have it re-flashed again and see if it pops back up. i'll check the diff fluids too, i don't think it's leaking fluid but who knows :/


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