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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 202 (DTCS P150D To UO168, Pre-Diagnostic Troubleshooting Procedure) >> U0168-Lost Communication With Vehicle Security Control Module (SKREEM/WCW) >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2007 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
  1. 1) ACTIVE DTC 

    Ignition on, engine not running.

    With a scan tool, read PCM DTCs.

    Is the DTC active at this time? 

    Yes 

    1. Refer to DIAGNOSIS AND TESTING for diagnostic procedures and for further possible causes.

    No 

    1. Refer to the INTERMITTENT CONDITION Diagnostic Procedure. Refer to INTERMITTENT CONDITION .
    2. Perform POWERTRAIN VERIFICATION TEST .
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