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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (2.9L Pcm 2 - DTCS C1260-00 To P0276-00) >> DTC Troubleshooting >> P01C1-00-Fuel Rail Pressure Sensor B Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
FUEL RAIL PRESSURE 2 SIGNAL CIRCUIT SHORTED TO THE 5-VOLT SUPPLY CIRCUIT
FUEL RAIL PRESSURE 2 SIGNAL CIRCUIT SHORTED TO VOLTAGE
FUEL RAIL PRESSURE 2 SIGNAL CIRCUIT OPEN/HIGH RESISTANCE
SENSOR GROUND OPEN/HIGH RESISTANCE
FUEL RAIL PRESSURE SENSOR 2
POWERTRAIN CONTROL MODULE 2 (PCM-2)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .