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Home >> Fiat >> 2015 >> 500L Lounge >> Repair and Diagnosis >> Restraints >> Seat Belts >> Occupant Restraint Controller (Orc) - DTCS B0115-1A To U1703-87 - 500L >> DTC Troubleshooting >> B0128-13-Front Passenger Buckle Switch - Circuit Open >> Possible Causes

Possible Causes

Possible Causes
(R58) PASSENGER SEAT BELT BUCKLE SWITCH SENSE CIRCUIT OPEN
(R261) PASSENGER SEAT BELT BUCKLE SWITCH GROUND CIRCUIT OPEN
PASSENGER SEAT BELT BUCKLE SWITCH
OCCUPANT RESTRAINT CONTROLLER (ORC)
WARNING:

On vehicles equipped with the high voltage system, disconnecting the 12-volt battery negative cable alone will not power down the 12-volt system. You must perform the 12-volt Power Down procedure before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  RESTRAINTS SYSTEM PRE-DIAGNOSTIC PROCEDURE  .