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Home >> VinFast >> 2023 >> VF8 Plus >> Repair and Diagnosis >> Body & Frame >> Towing Systems >> Trailer Module Diagnosis >> DTC B2190-62: Vehicle Brake Input And BCM Brake CAN Signals Do Not Match - Signal Compare Failure >> VinFast DTC Guided Repair Instruction >> Operating Conditions

Operating Conditions

Enable Criteria Ignition ON
Battery Voltage is between 9V and 16V.
DTC U300004 (Trailer Module System Failure) is not set.
DTC U117488 (Body CAN - Bus Off) is not set.
DTC U014087 (BCM Missing Message) is not set.
DTC U042282 (BCM Incorrect Alive/Sequence Counter) is not set.
DTC U042283 (BCM Invalid Signal Protection) is not set.
Failure Criteria the Vehicle Brake Input does not match the state of the BCM Brake CAN signals BCM_StopLightSts or BCM_STAT_BrakeSwitch.
Failure/Mature Time 100 ms
Pass Criteria The Vehicle Brake Input matches the state of the BCM Brake CAN signals BCM_StopLightSts and BCM_STAT_BrakeSwitch.
Pass/De-mature Time 1000 ms
Failure Aging 40 Ignition Cycles
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