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Symptom: BCM FLASH CHECKSUM FAILURE When Monitored and Set Condition: BCM FLASH CHECKSUM FAILURE When Monitored: Each time the DRB performs the flash process, the BCM runs a flash checksum test. Set Condition: The DTC will set if the BCM detects a flash checksum failure. POSSIBLE CAUSES BCM INTERNAL FLASH CHECKSUM FAILURE TEST ACTION APPLICABILITY 1 Connect the DRB to the Data Link Connector. All Yes → Reflash or Replace the Body Control Module. No → Test Complete. 135 COMMUNICATION |