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Home >> VinFast >> 2023 >> VF8 Eco >> 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
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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