Contact Yeti (Marco Giacomelli) on this forum, he can help you with any OBD communication questions or issues.

OR
contact him over on Facebook: Yeti ChipTuning di Giacomelli Marco
LINK:>
https://www.facebook.com/YetiChiptuning
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Supporting Vendor and Moderator of LOST05 Jeep Liberty CRD Limited 
Ironman Springs/Bilstein/Shocks
Yeti StgIV Hot Tune
Week's BatteryTray
No FCV/EGR
Samcos/ProVent
SunCoast/Transgo
Carter Intank-pmp
2mic.Sec.Fuel Filter
Flowmaster/NO CAT
V6Airbox/noVH
GM11 Bld.fan/HDClutch
IronrockArms/wwdieselMount98 Dodge Cummins 24 Valve