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Home >> VinFast >> 2023 >> VF8 Eco >> Repair and Diagnosis (Single Page) >> Brakes >> Parking Brake System >> Redundant Control Unit Brakes Diagnosis (1 Of 2) >> DTC U0416-82: Invalid Data Received From Vehicle Control Unit (VCU) Control Module - Alive/Sequence Counter Incorrect/Not Updated >> VinFast DTC Guided Repair Instruction >> Operating Conditions
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Operating Conditions

Enable Criteria
  1. ECU On
  2. IGN On
  3. Battery Voltage is between 9V and 16V
Failure Criteria Wrong alivecounter (not by one sequentially) is received continuously
  1. ALV_VCU_HV_Status (fault detection time: 400 ms)
  2. ALIV_VCU_HV_DrvSys_status (fault detection time: 200 ms)
Failure/Mature Time
  1. 400 ms
  2. 200 ms
Pass Criteria Signal is received normally over the specified period
Pass/De-mature Time
  1. 400 ms
  2. 200 ms
Failure Aging 40 driving cycles without failure