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Home >> VinFast >> 2023 >> VF8 Eco >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Intelligent Distribution Brake Diagnosis (2 Of 2) >> DTC U0422-83: Body Control Module (BCM)-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 9V to 16V.
Failure Criteria Wrong CRC is received continuously
  1. Signal name: CHKSM_BCM_STAT_DOOR_FLAP
  2. Signal name: CHKSM_BCM_SWITCH_Sts
Failure/Mature Time 500 ms
Pass Criteria Message is received normally over 500 ms.
Pass/De-mature Time 500 ms
Failure Aging 40 Ignition cycles.