Mike's Workshop Manuals
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Jeep
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2023
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Grand Cherokee Laredo, AWD
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Repair and Diagnosis
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Engine Performance
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System
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3.6L - DTCS P0221 To P032F
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DTC Troubleshooting
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P0325 Knock Sensor 1 Circuit
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Set Condition
Set Condition
The Powertrain Control Module (PCM) detects that the Knock Sensor input voltage is either:
above 4.8 volts.
less than 0.2 volts when engine speed is above 2000 RPM.