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Symptom: CALIBRATION MISMATCH When Monitored and Set Condition: CALIBRATION MISMATCH When Monitored: With ignition on, the ACM monitors the PCI Bus for the VIN message containing the body style. Note: The VIN message should match the vehicle VIN plate. Set Condition: If the Body style stored in ACM does not exactly match the vehicle body style indicated by the PCM for 2 consecutive VIN messages, then the fault shall be set. POSSIBLE CAUSES PCM, PCI COMMUNICATION FAILURE PCM VEHICLE IDENTIFICATION NUMBERS INCORRECT OR MISSING ACM CALIBRATION MISMATCH STORED CODE OR INTERMITTENT CONDITION ACTIVE CODE PRESENT TEST ACTION APPLICABILITY 1 Turn the ignition on. All ACM - ACTIVE DTC ACM - STORED DTC NOTE: When reconnecting Airbag system components, the ignition must be 2 Turn the ignition on. t, read the system test. Does the DRB show PCM Active on the Bus:? All Yes → Go To 3 No → Refer to category COMMUNICATION CATEGORY and select the related symptom. 27 AIRBAG |