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Home >> VinFast >> 2023 >> VF9 Plus >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Electric Tailgate Diagnosis >> DTC U0422-83: Invalid Data From Body Control Module - Value of Signal Protection Calculation Incorrect >> VinFast DTC Guided Repair Instruction >> Operating Conditions

Operating Conditions

Enable Criteria Battery voltage is between 9V and 16V
Failure Criteria Checksum error detected in message BCM VOLTAGE (0x10a) or BCM CLAMP STAT (0x112) or BCM STAT CENTRAL LOCK (0x107) or BCMODO (0x329).
Failure/Mature Time
  1. 2500 ms
  2. 500 ms
  3. 500 ms
  4. 5000 ms
Pass Criteria Checksum in BCMVOLTAGE (0x10a) and BCM_CLAMP_STAT (0x112) and BCM_STAT_CENTRAL_LOCK (0x107) and BCMODO (0x329) message is correct.
Pass/De-mature Time
  1. 5000 ms
  2. 1000 ms
  3. 1000 ms
  4. 10000 ms
Failure Aging 40 Ignition cycles