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Home >> VinFast >> 2023 >> VF8 Eco >> Repair and Diagnosis (Single Page) >> Steering >> Electronic Steering >> Power Steering System Diagnosis (2 Of 2) >> DTC U053B-81: Image Processing Module "A" (SCAM) - Invalid Serial Data Received >> 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. ADAS_EPS_LATE_CON:ADAS_EPS_StrWhe_AOLAct == (0x2 or 0x3)
  2. ADAS_EPS_LATE_CON:ADAS_EPS_StrWhe_TOLAct == (0x2 or 0x3)
Failure/Mature Time
  1. 100 ms (+-10%)
Pass Criteria
  1. ADAS_EPS_LATE_CON: ADAS_EPS_StrWhe_AOLAct!= (0x2 or 0x3)
  2. ADAS_EPS_LATE_CON: ADAS_EPS_StrWhe_TOLAct!= (0x2 or 0x3)
Pass/De-mature Time Immediately
Failure Aging 40 Ignition cycles