P0633-SKIM SECRET KEY NOT STORED IN PCM

For a complete wiring diagram Refer to Section 8W.


  • When Monitored:

    Ignition on.

  • Set Condition:

    The Secret Key information has not been programmed into the PCM. One Trip Fault. Three good trips to turn off the MIL.


Possible Causes
  
SECRET KEY INFORMATION NOT PROGRAMMED IN THE POWERTRAIN CONTROL MODULE (PCM)
  
POWERTRAIN CONTROL MODULE (PCM)
  

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - STANDARD PROCEDURE).



Diagnostic Test

1.SECRET KEY INFORMATION NOT PROGRAMMED IN THE POWERTRAIN CONTROL MODULE (PCM)




NOTE: If the engine will not start, crank the engine for 15 seconds. Crank at least 2 times with the ignition switch returning to the off position each time.




Is the status Active for this DTC?

Yes


No