LEMON Manuals: Even more car manuals for everyone
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 >> P0327 Knock Sensor 1 Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
KNOCK SENSOR 1 SIGNAL CIRCUIT SHORTED TO THE KNOCK SENSOR RETURN CIRCUIT
KNOCK SENSOR 1 SIGNAL CIRCUIT SHORTED TO GROUND
KNOCK SENSOR 1
POWERTRAIN CONTROL MODULE (PCM)

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