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Home >> Fiat >> 2018 >> 500 Lounge, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 40 (Occupant Restraint Controller (Orc) - DTCS B0118-95 To U0127-00 - 500 - Electric) >> DTC Troubleshooting >> B0128-11-Front Passenger Buckle Switch - Circuit Short To Ground >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
(R58) PASSENGER SEAT BELT SWITCH SIGNAL CIRCUIT SHORTED TO GROUND
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  .