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TEST ACTION APPLICABILITY 2 Turn the ignition on. t, select Engine system from the main menu. Display and record the Vehicle Identification Number. All Yes → Go To 3 No → Replace and program the Engine Control Module in accordance with the Service Information. 3 Turn the ignition off. t, display and clear all ECM and SKREEM DTC’s. Perform 5 ignition key cycles leaving the ignition key on for 90 seconds per cycle. t, check for SKREEM DTCs. Does the DRBIII t display the same DTC? All Yes → Replace and program the Engine Control Module in accordance with the Service Information. No → The repair is complete. Perform SKREEM VERIFICATION TEST - VER 1A. 4 Turn the ignition off. All Yes → Repair wiring harness/connectors as necessary. Perform SKREEM VERIFICATION TEST - VER 1A. No → Test Complete. 251 SKREEM ROLLING CODE FAILURE — Continued |