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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (2.9L Pcm 2 - DTCS P0277-00 To P0686-00) >> DTC Troubleshooting >> P0391-00-Camshaft Position Sensor Circuit Performance-Bank 2 Sensor 2 >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
LOW ENGINE OIL LEVEL
5-VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
5-VOLT SUPPLY CIRCUIT OPEN
5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
5-VOLT SUPPLY CIRCUIT SHORTED TO THE SENSOR GROUND CIRCUIT
CMP 2/2 SIGNAL CIRCUIT SHORTED TO VOLTAGE
CMP 2/2 SIGNAL CIRCUIT SHORTED TO GROUND
CMP 2/2 SIGNAL CIRCUIT SHORTED TO THE SENSOR GROUND CIRCUIT
CMP 2/2 SIGNAL CIRCUIT OPEN/HIGH RESISTANCE
SENSOR GROUND CIRCUIT OPEN/HIGH RESISTANCE
CAMSHAFT POSITION SENSOR 2
TONE WHEEL LOOSE OR DAMAGED
POWERTRAIN CONTROL MODULE (PCM)

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