Home >> Jeep >> 2007 >> Commander Base, 3.7 K, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Electronic Control Modules - Electrical Diagnostics >> Electronic Control Modules - Electrical Diagnostics >> DTC Troubleshooting >> U0168-Lost Communication With Vehicle Security Control Module (SKREEM/WCM) >> Possible Causes