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Home >> VinFast >> 2023 >> VF8 Eco >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Multimedia System Diagnosis (1 Of 2) >> DTC U0412-83: Invalid Data Received from Battery Energy Control Module "A" - Value of Signal Protection Calculation Incorrect >> VinFast DTC Guided Repair Instruction >> Repair Instruction
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Repair Instruction

Repair Actions

  1. Check for communication faults with BMS from other ECU's and investigate faults with BMS.
  2. If fault returns, check for communication faults from the HV-CAN Communication and Info CAN communication BUS linking MHU and BMS and investigate faults with both CAN communication BUS.
  3. If fault returns, replace BMS and clear DTC
  4. If fault returns, replace MHU and clear DTC