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Home >> Fiat >> 2016 >> 500 Turbo, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Occupant Restraint Controller (Orc) - DTCS B0118-95 To U0127-00 - 500 - Electric) >> DTC Troubleshooting >> B012B-64-Driver Early Crash Sensor - Signal Plausibility Failure >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
(R79) SIGNAL CIRCUIT SHORTED TO BATTERY
(R79) SIGNAL CIRCUIT SHORTED TO GROUND
(R79, R81) FRONT LEFT IMPACT SENSOR CIRCUITS SHORTED TOGETHER
(R81) FRONT LEFT IMPACT SENSOR GROUND CIRCUIT OPEN
(R79) FRONT LEFT IMPACT SENSOR SIGNAL CIRCUIT OPEN
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.