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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 U0457-83: Invalid Data Received From MHU - Value Of Signal Protection Calculation Incorrect >> VinFast DTC Guided Repair Instruction >> Repair Instruction

Repair Instruction

Repair Actions

  1. Check for communication faults with MHU from other ECU's and investigate faults with MHU.
  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 MHU and clear DTC
  4. If fault returns, replace BCM and clear DTC