2017 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE

Occupant Detection System DTCS

OCCUPANT DETECTION SYSTEM DIAGNOSTIC TROUBLE CODE IDENTIFICATION

DTC Item Content of diagnosis Reference
B1650 Occupant Detection System Malfunction
  • Occupant detection sensor is faulty.
  • Occupant detection control module is faulty.
  • Occupant detection harness is faulty.
  • Fuse No. 25 is blown.
  • Rear airbag harness is faulty.
 <Ref. to DTC B1650 OCCUPANT DETECTION SYSTEM MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1655 Front Buckle Switch RH Failure
  • Passenger's buckle switch circuit is open, shorted or shorted to ground.
  • Occupant detection system is faulty.
  • Occupant detection harness is faulty.
 <Ref. to DTC B1655 FRONT BUCKLE SWITCH RH FAILURE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1760 Occupant Detection Sensor Mat
  • Occupant detection sensor is faulty.
  • Occupant detection sensor is open, shorted between terminals, shorted to power supply or shorted to ground.
  • Seat heater is open.
  • Occupant detection control module is faulty.
 <Ref. to DTC B1760 OCCUPANT DETECTION SENSOR MAT , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1761 Occupant Detection Sensor Mat Liquid Coating
  • Detected that the occupant detection sensor is spattered with fluid.
  • Occupant detection sensor is faulty.
  • Occupant detection control module is faulty.
 <Ref. to DTC B1761 OCCUPANT DETECTION SENSOR MAT LIQUID COATING , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1771 Buckle Switch
  • Passenger's buckle switch is faulty.
  • Passenger's buckle switch circuit is open, shorted or shorted to ground.
  • Occupant detection system is faulty.
  • Occupant detection harness is faulty.
 <Ref. to DTC B1771 BUCKLE SWITCH , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1795 Occupant Detection Module Internal Circuit Occupant detection control module is faulty. <Ref. to DTC B1795 OCCUPANT DETECTION MODULE INTERNAL CIRCUIT , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
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