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Home >> Jeep >> 2008 >> Liberty Limited, RWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0203 To P0406 >> P0330-Knock Sensor 2 Circuit >> Possible Causes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Possible Causes

Possible Causes 
(K242) KS SIGNAL 2 CIRCUIT SHORTED TO VOLTAGE
(K242) KS SIGNAL 2 CIRCUIT OPEN
(K924) KS RETURN 2 CIRCUIT OPEN
(K242) KS SIGNAL 2 CIRCUIT SHORTED TO THE (K924) KS RETURN 2 CIRCUIT
(K242) KS SIGNAL 2 CIRCUIT SHORTED TO GROUND
KNOCK SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.