Software Updates Address Erroneous Illumination of Warning Lights on Jeep Grand Cherokee

Software updates are available to solve various Check Engine Light and warning light related issues.

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Average mileage: 96,550 (61,300–142,000)
7 model years affected: 2002, 2005, 2006, 2007, more2008, 2009, 2010
14 people reported this problem
6 people shared problem details
abs lights on and cruise not working but brakes seem to have no problem
all brake warning lights are on but no code set.....cruise not working at onset of this problem
ABS service 4wd light comes on ...car does not have any mechanical issue
The warning is about the front differential-
ABS warning light comes on,goes off after sitting over night,comes back on with in a few miles of travel.Took to garage,ran tests, could not pin point problem,the two options, they gave me, is going to run into a lot of money,not sure that that will fix problem?,,
light apopears for no reason, not sure how to apply software updates
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Software updates are available to address erroneous illumination of the "Service 4WD System" warning light and other issues (e.g. shifting, performance).
Updated software will solve an intermittent problem where engine speed is limited to 3,900 RPM...
where can you get an update software for the PCM and is it free

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