Diagnostic Procedure

DIAGNOSTIC PROCEDURES - P0633-SKIM KEY NOT PROGRAMMED IN PCM

TEST	ACTION	APPLICABILITY
1	Ignition on, engine not running. With the DRBIII®, erase DTCs. Using the DRBIII®, program the SKIM Key information into the PCM. Start the engine. NOTE: If the engine will not start, crank the engine over 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? Yes --> Go To 2 No --> The SKIM KEY information has been successfully programmed into the PCM. Test is complete. Perform SKIS VERIFICATION .	All
2	NOTE: The ignition switch must be left in the off position for a minimum of 10 seconds. Cycle the ignition switch to the off position and then back to run.Attempt to program the PCM with the applicable information.Start the vehicle and allow it to reach normal operating temperatures.With the DRBIII®, read DTCs.Does the DTC reset?Yes --> Replace and program the Powertrain Control Module in accordance with the Service Information.Perform SKIS VERIFICATION .No --> The SKIM Key Information has been successfully programmed into the PCM. Test is complete.Perform SKIS VERIFICATION .	All