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Home >> VinFast >> 2023 >> VF9 Plus >> Repair and Diagnosis (Single Page) >> Steering >> Electronic Steering >> Power Steering System Diagnosis (2 Of 2) >> DTC U0447-81: Invalid Data Received From Serial Data Gateway Module (XGW) - Invalid Serial Data Received >> VinFast DTC Guided Repair Instruction >> Repair Instruction

Repair Instruction

Repair Actions

  1. Check for communication faults with EPS from other ECU's and investigate faults with EPS.
  2. If fault returns, check for communication faults from the Chassis CAN Communication BUS linking EPS and XGW and investigate faults with Chassis CAN Communication BUS.
  3. If fault returns, replace XGW and clear DTC.
  4. If fault returns, replace EPS and clear DTC.