Diagnostic Test

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 a 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 (PCM) in accordance with the Service Information. Refer to MODULE, POWERTRAIN CONTROL, REMOVAL .
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - The Powertrain Control Module (PCM) has been successfully programmed. Test is complete.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .