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TRANSPONDER COMMUNICATION FAILURE (CONTINUED) 3. CHECKING KEY OPERATION NOTE: Perform the following steps using one of the vehicle ignition keys. When finished, repeat the pro- Turn the ignition off. Wait 10 seconds. Turn the ignition on. With the scan tool, read the SKIM DTCs. Is the DTC present for all ignition keys? Yes >> Replace and program the Sentry Key Immobilizer Module per Service Information. Perform SKIS VERIFICATION. (Refer to 8 - ELECTRICAL/VEHICLE THEFT SECURITY - STANDARD No >> Replace the ignition key(s) that cause the SKIM DTC. Perform SKIS VERIFICATION. (Refer to 8 - ELECTRICAL/VEHICLE THEFT SECURITY - STANDARD 4. REPROGRAM KEYS With the scan tool, attempt to reprogram the ignition keys to the SKIM. With the scan tool, erase the SKIM DTCs. Wait 10 seconds. Turn the ignition on. With the scan tool, read the SKIM DTCs. Does the DTC set again? Yes >> Go To 5 No >> Test Complete. 5. PROGRAM NEW IGNITION KEY Replace the ignition key with a new key. With the scan tool, program the new ignition key to the SKIM. With the scan tool, erase the SKIM DTCs. Turn the ignition off. Wait 10 seconds. Turn the ignition on. With the scan tool, read the SKIM DTCs. Does the DTC set again? Yes >> Go To 6 No >> Test Complete. 8Q - 22 VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS DR/DH |