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Symptom List: ROLLING CODE FAILURE Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be ROLLING CODE FAILURE. When Monitored and Set Condition: ROLLING CODE FAILURE When Monitored: At ignition on, after ignition on during any rolling code handshake that occurs with the PCM due to a SKIM or PCM reset. Set Condition: When a PCM STATUS message with a Valid Key status is not received by the SKIM within 3.5 seconds of transmitting the last Valid Key Code message to the PCM. VIN MISMATCH When Monitored: With the ignition on. Set Condition: When the VIN received from the PCM does not match the VIN stored in the SKIM’s EEPROM. POSSIBLE CAUSES VERIFYING PCM VIN INTERMITTENT WIRING HARNESS PROBLEM PCM TEST ACTION APPLICABILITY 1 With the DRB III, erase the SKIM DTC’s. All Yes → No → 300 VEHICLE THEFT/SECURITY |