How to End a Troubleshooting Session (required after any troubleshooting)

1. Reset the ECM/PCM with the HDS.

1. Do the ECM/PCM idle learn procedure.

1. Turn the ignition switch OFF.

1. Disconnect the HDS from the DLC.
   NOTE: The ECM/PCM is part of the immobilizer system. If you replace the ECM/PCM, it will have a different immobilizer code. In order for the engine to start, you must rewrite the immobililzer code with the HDS.