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Diagnostic Test

WARNING: This page is about a different car, the 2013 Dodge Avenger and 2013 Chrysler 200. However, it is still accessible from the selected car via links, so may be relevant.
  1. PCM PROGRAMMED WITH INCORRECT SOFTWARE 
    1. Ignition on, engine not running.
    2. Program the PCM in accordance with the Service Information. Refer to STANDARD PROCEDURE .
    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 STANDARD PROCEDURE .

      No 

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