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P0513-INVALID SKIM KEY 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 INCORRECT VIN PROGRAMMED IN THE PCM NO COMMUNICATION WITH SKREEM NO VIN PROGRAMMED IN THE PCM IGNITION KEY PCM Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - Diagnostic Test 1. ACTIVE DTC Ignition on, engine not running. With the scan tool, read the PCM DTCs. Is the DTC active at this time? Yes >> Go To 2 No >> Go To 6 2. NO COMMUNICATION WITH SKREEM With the scan tool, attempt to communicate with the SKREEM. Can the scan tool communicate with the SKREEM? Yes >> Go To 3 No >> Refer to Section 8 - Electrical VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS and perform the appropriate Diagnostic Procedure. Perform SKREEM VERIFICATION. (Refer to 8 - ELECTRICAL/VEHICLE THEFT SECURITY - STAN- 3. SKREEM TROUBLE CODES SET With the scan tool, check for SKREEM DTCs. Are any DTCs present in the SKREEM? Yes >> Refer to Section 8 - Electrical VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS and perform the appropriate Diagnostic Procedure. Perform SKREEM VERIFICATION. (Refer to 8 - ELECTRICAL/VEHICLE THEFT SECURITY - STAN- No >> Go To 4 9 - 502 ENGINE ELECTRICAL DIAGNOSTICS ND |