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You are watching: 2007 jeep grand cherokee service 4wd system


If your last drive manage module has actually not to be updated and the password is stored her repair procedure will likely begin with a flash of the FDCM together there is a flash because that the FDCM the doesnt clues applicable dtc"s it simply states "if the code is stored". From there it could be the transfercase, the FDCM itself, wiring, her 4lo switch....


I had the exact same stuff-flashing FCDM did it for me. I still don"t agree with having to pay for a re-flash, if it"s defined in a TSB....
There are tons of reasons it could come on, so having actually it scanned is the best way to decide the cause and troubleshoot. When it involves things choose this (or various other things that call for the dealer come scan), ns wait till I am going there for something else choose an oil change, and also then i ask them if they have the right to just scan it genuine quick because it is already in the bay and the technology is currently there. I have never had actually to pay because that them come scan and also look something up..
On my 06 XK, it came on, and since I perform not use 4x4 in Florida, that didn"t issue me at all. It stayed on for fairly a while before I take it it in. It had actually a password stored because that clutch wear, but they looked fine. I had the password cleared and also it has actually never come back on. Some people have the message come on, and can still communicate 4Lo but some can not. I had one the the situations where 4Lo would not connect with the message on. I am not sure if it still had permanent 4WD, because I never ever take the XK in a instance when it would certainly be needed. I simply know ns tried to communicate 4Lo and it would certainly not.
These are constantly 4wd they cant be shifted into 2wd prefer the old ones.When mine popped increase it was simply a wheel sensor.
Build thread:Whoa"s develop thread
You think that"s quick................heh...wait till i hit 5th! -Sir Mix-A-Lot
I"m not also worried about it due to the fact that it went off, must median its naught major. Additionally have no usage for the 4WD best now due to the fact that it hasn"t snowed any.

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2 weeks back i to buy 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 article ??

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