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Home >> VinFast >> 2023 >> VF9 Plus >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Body Control Module Diagnosis (4 Of 6) >> DTC U0452-82: Invalid Data Received From ACM - Alive/Sequence Counter Incorrect/Not Updated >> VinFast DTC Guided Repair Instruction >> Operating Conditions

Operating Conditions

Enable Criteria Normal supply voltage 9V-16 V
Failure Criteria Alive counter not updated in received message
ACM_CRASH_INFO (0x85) receive
Failure/Mature Time Receive one time
Pass Criteria Alive Counter is correctly updated for message
ACM_CRASH_INFO (0x85) continuous receive two times
Pass/De-mature Time Continuous receive two times
Failure Aging 40 Ignition cycles