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Home >> Jeep >> 2011 >> Liberty Renegade, Part Time >> Repair and Diagnosis >> Engine Performance >> System >> 3.7L - DTCS P2100 To U1418 >> Diagnosis and Testing >> U0300-Internal Control Module Software Incompatibility >> Diagnostic Test

Diagnostic Test

  1. PCM PROGRAMMED WITH INCORRECT SOFTWARE 
    1. Ignition on, engine not running.
    2. Program the PCM in accordance with the Service Information. Refer to PCM / TCM PROGRAMMING .
    3. Start the engine.
    4. Allow the engine to reach normal operating temperature.
    5. With the scan tool, select read the active DTCs.

      Does the scan tool display U0300-INTERNAL CONTROL MODULE SOFTWARE INCOMPATIBILITY?

      Yes 

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

      No 

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