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Home >> VinFast >> 2023 >> VF9 Eco >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Multimedia System Diagnosis (1 Of 2) >> DTC U0422-83: Invalid Data Received from Body Control Module - 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 BCM from other ECU's and investigate faults with BCM.
  2. If fault returns, check for communication faults from the Body CAN/Info CAN Communication BUS linking BCM and MHU via XGW module and investigate faults with Body CAN/Info CAN Communication BUS
  3. If fault returns, replace BCM and clear DTC
  4. If fault returns, replace MHU and clear DTC