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Home >> VinFast >> 2023 >> VF9 Eco >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Intelligent Distribution Brake Diagnosis (2 Of 2) >> DTC U0420-83: Data From Steering Angle Sensor (SAS) Control Module - Value Of Signal Protection Calculation Incorrect >> VinFast DTC Guided Repair Instruction >> Operating Conditions
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Operating Conditions

Enable Criteria ECU On
IGN On
The battery voltage is between 9 V to 16 V.
Failure Criteria Wrong CRC is received continuously
  Signal name: CHKSM_SAS_Sensor
Failure/Mature Time 100 ms
Pass Criteria Message is received normally over 100 ms.
Pass/De-mature Time 100 ms
Failure Aging 40 Ignition cycles.