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

Dtc b1779 buckle switch circuit open

DTC DETECTING CONDITION:• Passenger’s buckle switch circuit is open, shorted or shorted to ground.• Seat harness circuit is open, shorted or shorted to ground.• Occupant detect ...

Dtc b1777 belt tension sensor input voltage low

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 ...

Other materials:

Warranties and maintenance
SUBARU warranties do not apply to vehicle damage or malfunction caused by trailer towing. If you use your vehicle to tow a trailer, more frequent maintenance will be required due to the additional load. (Refer to "Maintenance schedule under severe driving conditions" in the "Warranty and Ma ...