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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 43 (2.0L - DTCS P02F1 To P0369) >> DTC Troubleshooting >> P0340 Camshaft Position Sensor Circuit - Bank 1 Sensor 1 >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
LOW ENGINE OIL LEVEL
ENGINE OIL AERATED OR CONTAMINATED
INCORRECT ENGINE OIL FILTER
INSUFFICIENT OIL PRESSURE DUE TO A MECHANICAL FAILURE IN THE OILING SYSTEM
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 SENSOR 1/1 POSITION SIGNAL CIRCUIT SHORTED TO VOLTAGE
CMP SENSOR 1/1 POSITION SIGNAL CIRCUIT SHORTED TO GROUND
CMP SENSOR 1/1 POSITION SIGNAL CIRCUIT SHORTED TO THE SENSOR GROUND CIRCUIT
CMP SENSOR 1/1 POSITION SIGNAL CIRCUIT OPEN/HIGH RESISTANCE
SENSOR GROUND CIRCUIT OPEN/HIGH RESISTANCE
CAMSHAFT POSITION SENSOR 1
CAMSHAFT TONE WHEEL LOOSE/DAMAGED OR MISALIGNED
CAMSHAFT 1/2 OIL CONTROL VALVE FAULTY OR INTERMITTENTLY BINDING/STICKING SPOOL VALVE
CAMSHAFT 1/2 PHASER FAULTY OR INTERMITTENTLY BINDING/STICKING
POWERTRAIN CONTROL MODULE (PCM)
OIL PRESSURE ISSUE IN CYLINDER HEAD

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