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DTC B2275: STSW Monitor Malfunction: Description

This DTC is stored when a circuit malfunction is detected in the engine start permission signal output circuit inside the certification ECU (smart key ECU assembly), or when an abnormal external engine start permission signal is detected.

HINT: 

When the battery cable is disconnected and reconnected, the power source returns to the mode it was in before the battery cable was disconnected.

DTC No. DTC Detection Condition Trouble Area DTC Output Confirmation Operation
B2275
  • Circuit malfunction detected in the engine start permission output circuit inside the certification ECU (smart key ECU assembly) (1-trip detection logic*).
  • External engine start permission signal malfunction (1-trip detection logic*).
  • Certification ECU (smart key ECU assembly)
  • SFI system
  • Wire harness or connector
Engine start operation is performed.
Vehicle Condition when Malfunction Detected Fail-safe Function when Malfunction Detected
The engine cannot be started. -
RELATED DATA LIST AND ACTIVE TEST ITEMS

DTC No. Data List Item Active Test Item
B2275 - -