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Home >> VinFast >> 2023 >> VF9 Plus >> Repair and Diagnosis >> Body & Frame >> Towing Systems >> Trailer Module Diagnosis >> DTC B2191-62: Vehicle Turn Inputs And BCM Turn 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 Right and Left Turn Inputs do not match the state indicated by the BCM Turn CAN signal BCM_TurnIndicatorSts.
Failure/Mature Time 100 ms
Pass Criteria The Vehicle Right and Left Turn Inputs do not match the state indicated by the BCM Turn CAN signal BCM_TurnIndicatorSts.
Pass/De-mature Time 1000 ms
Failure Aging 40 Ignition Cycles
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