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Home >> VinFast >> 2023 >> VF9 Eco >> Repair and Diagnosis >> Body & Frame >> Towing Systems >> Trailer Module Diagnosis >> DTC U0447-82: Invalid Data Received From Serial Data Gateway Module (XGW) - Alive/Sequence Counter Incorrect/Not Updated >> VinFast DTC Guided Repair Instruction >> Repair Instruction
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Repair Instruction

Repair Actions

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