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FX50
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Restraints
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Restraints Control Systems
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Seat Belt Control System
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DTC/Circuit Diagnosis
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DTC B2457: Control Unit As
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DTC Logic
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DTC Detection Logic
DTC Detection Logic
DTC No.
Self-diagnosis item
DTC Detection Condition
Possible causes
B2457
CONTROL UNIT AS
Pre-crash seat belt control unit internal circuit malfunction
Control unit internal malfunction