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Home >> Fiat >> 2016 >> 500 Lounge, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 (Occupant Restraint Controller (Orc) - DTCS B0118-95 To U0127-00 - 500 - Electric) >> DTC Troubleshooting >> B0128-12-Front Driver Buckle Switch - Circuit Short To Battery >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2015 Fiat 500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
(R57) DRIVER SEAT BELT BUCKLE SWITCH SENSE CIRCUIT SHORTED TO VOLTAGE
(R261) DRIVER SEAT BELT BUCKLE SWITCH GROUND CIRCUIT SHORTED TO VOLTAGE
(R57) DRIVER SEAT BELT BUCKLE SWITCH SENSE CIRCUIT OPEN
(R261) DRIVER SEAT BELT BUCKLE SWITCH GROUND CIRCUIT OPEN
DRIVER 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. Refer to 12-VOLT POWER DOWN . 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  . 

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