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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 U015C-87: Lost Communication With ADAS Control Module - Missing Message >> 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 Detection of related ADAS_RAEB_Status (0x330) Message Missing
Failure/Mature Time 200 ms (+-10%)
Pass Criteria ADAS_RAEB_Status (0x330) Message received normally.
Pass/De-mature Time Immediately
Failure Aging 40 Ignition cycles
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