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P0633-SKIM KEY NOT PROGRAMMED IN PCM For the Engine circuit diagram (Refer to 9 - ENGINE - SCHEMATICS AND DIAGRAMS). For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes PROGRAMMING SKIM KEY INTO THE PCM PCM Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - Diagnostic Test 1. PROGRAMMING SKIM KEY INTO THE PCM Ignition on, engine not running. With a scan tool, erase DTCs. Using the scan tool, 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 With the scan tool, read DTCs. Does the DTC reset? Yes >> Replace and program the Powertrain Control Module per Service Information. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> The SKIM KEY information has been successfully programmed into the PCM. Test is complete. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 9 - 716 ENGINE ELECTRICAL DIAGNOSTICS WK |