You are watching: 2007 jeep grand cherokee service 4wd system
If your final drive regulate module has actually not been updated and also the code is stored your repair process will likely begin with a flash of the FDCM as tbelow is a flash for the FDCM that doesnt specify applicable dtc"s it simply says "if the code is stored". From there it might be the transferinstance, the FDCM itself, wiring, your 4lo switch....
I had actually the exact same stuff-flashing FCDM did it for me. I still don"t agree through having to pay for a re-flash, if it"s defined in a TSB....
Tright here are loads of reasons it could come on, so having actually it scanned is the best means to pinsuggest the reason and troubleshoot. When it comes to points choose this (or various other points that need the dealer to scan), I wait until I am going tbelow for something else choose an oil readjust, and then I ask them if they can just shave the right to it real quick given that it is already in the bay and also the tech is currently tbelow. I have never had to pay for them to scan and also look something up..
On my 06 XK, it came on, and also since I perform not use 4x4 in Florida, it didn"t worry me at all. It continued to be on for quite a while before I took it in. It had actually a code stored for clutch wear, but they looked fine. I had actually the code cleared and also it has never come ago on. Some people have actually the message come on, and also have the right to still communicate 4Lo yet some deserve to not. I had actually among the situations wbelow 4Lo would not communicate with the message on. I am not certain if it still had full-time 4WD, considering that I never before take the XK in a instance as soon as it would be necessary. I simply know I tried to engage 4Lo and it would certainly not.
These are ALWAYS 4wd they cant be shifted into 2wd favor the old ones.When mine popped up it was simply a wheel sensor.
Build thread:Whoa"s develop thcheck out You think that"s quick................heh...wait till I hit 5th! -Sir Mix-A-Lot
I"m not as well worried about it given that it went off, have to mean its nothing significant. Also have actually no use for the 4WD right now because it hasn"t snowed any kind of.
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2 weeks earlier i bought rims & tires with sensors,well the sensors were for a 2017 Summit ,mine is a 2014,could the faulty sensors be the cause ...of this message ??
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