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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 U0416-83: Invalid Data From VCU - Value Of Signal Protection Calculation Incorrect >> VinFast DTC Guided Repair Instruction >> Operating Conditions

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 Cyclic Redundancy Check (CRC) Error in Message VCU HV Status (0x269)
  2. Detection of Cyclic Redundancy Check (CRC) Error in Message PDCU_102 (0x102)
Failure/Mature Time
  1. 200 ms (+-10%)
  2. 400 ms (+-10%)
Pass Criteria
  1. Cyclic Redundancy Check (CRC) is normal in Message VCU VehicleHVStatus (0x269)
  2. Cyclic Redundancy Check (CRC) is normal in Message PDCU_102 (0x102)
Pass/De-mature Time Immediately
Failure Aging 40 Ignition cycles