Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc b1778 belt tension sensor control module

Subaru Legacy BN/BS (2015-2019) Service Manual / Occupant detection system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc b1778 belt tension sensor control module

DTC DETECTING CONDITION:

• Passenger’s seat belt tension sensor is faulty.

• Airbag main harness circuit is open or shorted.

• Occupant detection control module is faulty.

For the diagnostic procedure, refer to DTC B1773. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B1773 BELT TENSION SENSOR CIRCUIT OPEN

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