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Home >> VinFast >> 2023 >> VF9 Plus >> Repair and Diagnosis (Single Page) >> Body & Frame >> Towing Systems >> Trailer Module Diagnosis >> DTC U0146-87: Lost Communication With Serial Data Gateway Module (XGW) - Missing Message >> VinFast DTC Guided Repair Instruction >> Repair Instruction

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