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Home >> VinFast >> 2023 >> VF9 Eco >> Repair and Diagnosis (Single Page) >> Steering >> Electronic Steering >> Power Steering System Diagnosis (2 Of 2) >> DTC U0447-82: Invalid Data Received Serial Data Gateway Module (XGW) - Alive/Sequence Counter Incorrect/Not Updated >> VinFast DTC Guided Repair Instruction >> Operating Conditions
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Operating Conditions

Enable Criteria
  1. 3000 ms after IGN ON
  2. do not enter over range (Battery voltage is between 9V to 16V)
  3. after over range, go in to normal range (Battery voltage is between 9V to 16V) at least Restart (=500 ms) time
  4. Communication Control Diag.Service = enableRxAndTx or enableRxAndDisableTx
  5. ControlDTC Disable Diag.Service = On
  6. Vehicle CAN bus is normal (not Bus Off)
Failure Criteria
  1. Detection of ARC Error in Message CCU TEMP PRESSURE (0x302)
  2. Detection of ARC Error in Message BCM_VOLTAGE (0x10A)
Failure/Mature Time
  1. 5000 ms (+-10%)
  2. 2500 ms (+-10%)
Pass Criteria
  1. ARC is normal in Message CCU TEMP PRESSURE (0x302)
  2. ARC is normal in Message BCM_VOLTAGE (0x10A)
Pass/De-mature Time Immediately
Failure Aging 40 Ignition cycles