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Home >> Chrysler >> 2005 >> 300 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> DTCS U0121 To U1418, Symptom Tests, Verification Tests & Schematics And Diagrams >> Diagnosis And Testing >> U0168-Lost Communication With Vehicle Security Control Module (SKREEM/WCM) >> Diagnostic Test

Diagnostic Test

  1. 1)  ACTIVE DTC 
    Fig 1: SCAN TOOL (STARSCAN)
    GC0013164Courtesy of DAIMLERCHRYSLER CORP.

    Ignition on, engine not running.

    With a scan tool, read PCM DTCs.

    Is the DTC active at this time? 

    Yes 

    1. Refer to ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS for diagnostic procedures and for further possible causes.

    No 

    1. Refer to INTERMITTENT CONDITION .
    2. Perform NGC POWERTRAIN VERIFICATION TEST VER - 5 .
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