P0513-INVALID SKIM KEY

For a complete wiring diagram Refer to Section 8W.


  • When Monitored:

    Ignition on.

  • Set Condition:

    The PCM detects an invalid ignition key. One Trip Fault.


Possible Causes
  
INCORRECT VIN PROGRAMMED IN THE PCM
  
NO COMMUNICATION WITH SKREEM/WCM
  
NO VIN PROGRAMMED IN THE PCM
  
IGNITION KEY
  
POWERTRAIN CONTROL MODULE (PCM)
  

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING).



Diagnostic Test

1.ACTIVE DTC




Is the status Active for this DTC?

Yes
  • Go to2


No
  • Go to6

2.NO COMMUNICATION WITH SKREEM/WCM

NOTE: For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem.




Can the scan tool communicate with the SKREEM/WCM?

Yes
  • Go to3


No
  • Refer to Section 8 - Electrical VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS and perform the appropriate Diagnostic Procedure.
  • Perform the SKREEM/WCM VERIFICATION Test.

3.SKREEM/WCM TROUBLE CODES SET



Are any DTCs present in the SKREEM/WCM?

Yes
  • Refer to Section 8 - Electrical VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS and perform the appropriate Diagnostic Procedure.
  • Perform the SKREEM/WCM VERIFICATION Test.


No
  • Go to4

4.VIN PROGRAMMED INTO PCM



Has a VIN been programmed into the PCM?

Yes
  • Go to5


No
  • Program the correct VIN into the PCM and retest.
  • Perform the SKREEM/WCM VERIFICATION Test.

5.POWERTRAIN CONTROL MODULE (PCM)








Is the status Active for this DTC?

Yes
  • NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary. Replace and program the Powertrain Control Module in accordance with the Service Information.
  • Perform the SKREEM/WCM VERIFICATION Test.


No
  • Test Complete.

6.IGNITION KEY

NOTE: This DTC could have been set if the SKREEM/WCM harness connector was disconnected, or if the SKREEM/WCM was replaced recently.


NOTE: All of the ignition keys for this vehicle must be tested to verify proper operation.








Is the status Active for this DTC?

Yes
  • Replace the ignition key.
  • Perform the SKREEM/WCM VERIFICATION Test.


No
  • Test Complete.

  • NOTE: If this DTC cannot be reset, it could have been an actual theft attempt.