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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 31 (Hybrid Control Processor Module (HCP) - DTCS P1AC6-00 To P1C68-00) >> DTC Troubleshooting >> P1AC7-00 Crankshaft Position Signal Sensor Performance >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
PCM DTCS
LOOSE OR CORRODED GROUND EYELETS
BUFFERED CRANK SIGNAL IN CIRCUIT OPEN OR HIGH RESISTANCE
BUFFERED CRANK SIGNAL IN CIRCUIT SHORT TO GROUND
BUFFERED CRANK SIGNAL IN CIRCUIT SHORT TO VOLTAGE
CRANK SHAFT POSITION (CKP) SENSOR
POWERTRAIN CONTROL MODULE (PCM)
POWER INVERTER MODULE (PIM)

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