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Home >> VinFast >> 2023 >> VF9 Plus >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Multimedia System Diagnosis (1 Of 2) >> DTC U0452-83: Invalid Data Received from Airbag Control Module (ACM) - Value of Signal Protection Calculation Incorrect >> VinFast DTC Guided Repair Instruction >> Operating Conditions

Operating Conditions

Enable Criteria
  1. Ignition ON
  2. The system battery voltage is between 9 V to 16V
Failure Criteria Signal ACM_CRASH_INFO_0x085.CHKSM_CRASH_Sts is not equal to the expected value according to CAN specification.
Failure/Mature Time Immediate
Pass Criteria Signal ACM_CRASH_INFO_0x085.CHKSM_CRASH_Sts is equal to the expected value according to CAN specification.
Pass/De-mature Time Immediate
Failure Aging 100 Ignition Cycles
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