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Home >> Dodge and Ram >> 2008 >> Challenger >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P2174 To U1418 >> Diagnosis And Testing >> U0168-Lost Communication With Vehicle Security Control Module (SKREEM/WCM) >> Possible Causes
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Possible Causes

Possible Causes 
CAN C BUS OPEN OR SHORTED CONDITION
NO POWER TO VEHICLE SECURITY CONTROL MODULE (SKREEM) - MODULE UNPLUGGED OR OPEN FUSE
POWERTRAIN CONTROL MODULE (PCM)

Refer to  DIAGNOSIS AND TESTING  and perform the appropriate diagnostic procedure.