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Home >> Subaru >> 2018 >> BRZ Limited, Standard Trans >> Repair and Diagnosis >> Electrical >> Starter >> Entry Start System Start System (Keyless Start) >> Entry & Start System (Start Function) >> DTC B2275: STSW Circuit abnormal >> Circuit description
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Circuit description

This DTC is output when a circuit problem is detected in the engine start permission signal output circuit of the collation ECM (smart key ECM ASSY), or when a malfunction is detected in the exterior engine start permission signal.

NOTE: If you remove and then reconnect the battery cable, the power returns to the mode it was before you removed the cable.
DTC No. DTC detection status Faulty part DTC Output Confirmation Operation
B2275  
  • A circuit problem is detected (1-trip detection logic (1)) in the engine start permission output circuit of the collation ECM (smart key ECM ASSY).
  • Problem in the external engine start permission signal (1 trip detection)
  
  • Collation ECM (smart key ECM ASSY)
  • EFI system
  • Wiring harness or connector
 Start the engine.
(1) The code is output only when the problem is found and the engine switch is on (IG).
Vehicle status when a problem is detected Failsafe function when a problem is detected
The engine does not start. -
DIAGNOSTIC TROUBLE CODE DESCRIPTION - RELATED (DATA MONITOR) AND (ACTIVE TEST)

DTC No. [Data monitor] item [Active Test] item
B2275 - -
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