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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 3.6L - DTCS P0461 To P0652 >> Diagnosis And Testing >> P0633-Skim Secret Key Not Stored In Pcm >> Diagnostic Test

Diagnostic Test

PROGRAMMING SECRET KEY INTO THE PCM 

  1. Ignition on, engine not running.
  2. With the scan tool, erase DTCs.
  3. Using the scan tool, program the Secret Key information into the PCM using the MODULE PROGRAMMING procedure. Refer to STANDARD PROCEDURE .
  4. Start the engine.
    NOTE:

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

  5. Allow the engine to reach normal operating temperature.
  6. With the scan tool, select View DTCs.

    Does the DTC reset?

    Yes 

    • Replace and program the Powertrain Control Module in accordance with the Service Information. Refer to REMOVAL .
    • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

    No 

    • The Secret Key information has been successfully programmed into the PCM. Test is complete.
    • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
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