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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 63 (5.7L - DTCS P025D To P0339) >> DTC Troubleshooting >> P0339 Crankshaft Position Sensor Intermittent >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
5-VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
5-VOLT SUPPLY CIRCUIT SHORTED TO THE CKP SENSOR GROUND CIRCUIT
5-VOLT SUPPLY CIRCUIT OPEN/HIGH RESISTANCE
CKP SIGNAL CIRCUIT SHORTED TO VOLTAGE
CKP SIGNAL CIRCUIT SHORTED TO GROUND
CKP SIGNAL CIRCUIT SHORTED TO THE CKP SENSOR GROUND CIRCUIT
CKP SIGNAL CIRCUIT OPEN/HIGH RESISTANCE
CKP SENSOR GROUND CIRCUIT OPEN/HIGH RESISTANCE
CRANKSHAFT POSITION SENSOR MOUNTED INCORRECTLY OR MOUNTING SURFACE DAMAGED
TARGET WHEEL/PULSE RING BENT / BROKEN / MISSING TEETH / EXCESSIVE RUNOUT
CRANKSHAFT POSITION SENSOR
POWERTRAIN CONTROL MODULE (PCM)

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