Ichanged the valve body, and the errors still came up --- then knew it was the pcm. Changed the pcm, and no more problems. If it is the pcm, you can get one as a plug n play (already coded) from 2005 Jeep Grand Cherokee PCM ECM ECU Engine Computer for less than $200. Another thing to check is the black connector from the
Ihave a 2011 Grand Cherokee with the hemi and only 40k miles. It has happened tonight on my way home from work on the highway. Just driving along and the engine just turned off with no indication at all. The instrument cluster on the dash say a nothing, no engine light, no computer problems reported to the truck on the dash., radio
Thisworked for me but might not work for you. I have a 2010 Jeep Commander Limited with the 5.7 HEMI. I believe the 2008+ will be about the same but I'm not sure about 2006-2007 models of the 5.7 hemi. They might have the plate for the timing chain instead. It's hard to tell with the manual I used. . 671 707 109 508 858 645 403 299