DTC P0633: Skim Key Not Programmed In Pcm: Testing

Turn ignition on, engine not running. With the DRBIII®, erase DTCs. Using the DRBIII®, program the SKIM Key information into the PCM. See PROGRAMMING . Start the engine. If the engine will not start, crank the engine for 15 seconds. Crank at least 2 times with the ignition switch returning to the OFF position each time. Allow the engine to reach normal operating temperature. With the DRBIII®, read DTCs. Does the DTC reset? If yes, replace PCM. Program the new PCM. If no, the SKIM Key information has been successfully programmed into the PCM. Test is complete.