2015 Subaru Outback 2.5iFACTORY OEM SERVICE PROCEDURE

Occupant Detection System DTCS

OCCUPANT DETECTION SYSTEM DIAGNOSTIC TROUBLE CODES (DTC) LIST

DTC Item Description
B1762 Occupant Detection Module Calibration Not Initialized <Ref. to DTC B1762 OCCUPANT DETECTION MODULE CALIBRATION NOT INITIALIZED , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1763 Occupant Detection Module Calibration <Ref. to DTC B1763 OCCUPANT DETECTION MODULE CALIBRATION , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1764 Occupant Detection Module Calibration Uncompleted <Ref. to DTC B1764 OCCUPANT DETECTION MODULE CALIBRATION UNCOMPLETED , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1765 Occupant Detection Module ROM <Ref. to DTC B1765 OCCUPANT DETECTION MODULE ROM , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1766 Occupant Detection Module Stack Overflow <Ref. to DTC B1766 OCCUPANT DETECTION MODULE STACK OVERFLOW , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1767 Occupant Detection Module EEPROM Initializing <Ref. to DTC B1767 OCCUPANT DETECTION MODULE EEPROM INITIALIZING , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1768 Occupant Detection Module EEPROM <Ref. to DTC B1768 OCCUPANT DETECTION MODULE EEPROM , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1769 Occupant Detection Sensor Temperature Circuit Open <Ref. to DTC B1769 OCCUPANT DETECTION SENSOR TEMPERATURE CIRCUIT OPEN , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B176A Occupant Detection Sensor Pressure Circuit Open <Ref. to DTC B176A OCCUPANT DETECTION SENSOR PRESSURE CIRCUIT OPEN , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B176B Occupant Detection Sensor Pressure Too Low <Ref. to DTC B176B OCCUPANT DETECTION SENSOR PRESSURE TOO LOW , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B176C Occupant Detection Sensor Pressure Too High <Ref. to DTC B176C OCCUPANT DETECTION SENSOR PRESSURE TOO HIGH , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B176D Occupant Detection Sensor Input Voltage Low AT IG-SW On <Ref. to DTC B176D OCCUPANT DETECTION SENSOR INPUT VOLTAGE LOW AT IG-SW ON , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B176E Occupant Detection Sensor Gel Run Out <Ref. to DTC B176E OCCUPANT DETECTION SENSOR GEL RUN OUT , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B176F Occupant Detection Sensor Input Voltage Low <Ref. to DTC B176F OCCUPANT DETECTION SENSOR INPUT VOLTAGE LOW , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1770 Occupant Detection Sensor Temperature Too High <Ref. to DTC B1770 OCCUPANT DETECTION SENSOR TEMPERATURE TOO HIGH , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1772 Occupant Detection Sensor Temperature Too Low <Ref. to DTC B1772 OCCUPANT DETECTION SENSOR TEMPERATURE TOO LOW , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1773 Belt Tension Sensor Circuit Open <Ref. to DTC B1773 BELT TENSION SENSOR CIRCUIT OPEN , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1774 Belt Tension Sensor Output Too High <Ref. to DTC B1774 BELT TENSION SENSOR OUTPUT TOO HIGH , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1775 Belt Tension Sensor Output Too Low <Ref. to DTC B1775 BELT TENSION SENSOR OUTPUT TOO LOW , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1776 Belt Tension Sensor Input Voltage High <Ref. to DTC B1776 BELT TENSION SENSOR INPUT VOLTAGE HIGH , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1777 Belt Tension Sensor Input Voltage Low <Ref. to DTC B1777 BELT TENSION SENSOR INPUT VOLTAGE LOW , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1778 Belt Tension Sensor Control Module <Ref. to DTC B1778 BELT TENSION SENSOR CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B177E Buckle Switch Range <Ref. to DTC B177E BUCKLE SWITCH RANGE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1779 Buckle Switch Circuit Open <Ref. to DTC B1779 BUCKLE SWITCH CIRCUIT OPEN , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B177A Buckle Switch Circuit Low <Ref. to DTC B177A BUCKLE SWITCH CIRCUIT LOW , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B177B Buckle Switch Circuit Voltage High <Ref. to DTC B177B BUCKLE SWITCH CIRCUIT VOLTAGE HIGH , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B177C Ignition Power Supply High Voltage <Ref. to DTC B177C IGNITION POWER SUPPLY HIGH VOLTAGE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B177D Ignition Power Supply Low Voltage <Ref. to DTC B177D IGNITION POWER SUPPLY LOW VOLTAGE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
B1795 ECU Internal Circuit Fault <Ref. to DTC B1795 ECU INTERNAL CIRCUIT FAULT , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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