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New TSB for WK FUEL ECONOMY IMPROVEMENT

8K views 15 replies 8 participants last post by  JeepKid 
#1 · (Edited)

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#2 ·
does this work on the 06's???
 
#5 ·
"This Software also gives a fuel economy improvement for all WK/WH/XK vehicles."

I figured this meant that it was for all engine types and the other part applies towards the 3.7
 
#9 ·
Ooo I qualify for this. Will they charge me an arm and a leg for the reflash?
 
#11 ·
^ Negative on the hundo. I contacted my local dealer and they will be getting it done for $43 out the door. Scheduled for Friday.
 
#14 ·
MODELS:
**2007** - 2008 (WK) Grand Cherokee
**2007** - 2008 (WH) Grand Cherokee (International Markets)
**2007** - 2008 (XK) Commander

From in the PDF attached...
 
#16 ·
Got this done a little while ago. I was charged $0 lol woo. Cant tell if it made a difference since I only drove it home. Like a 4 minute drive.
 
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