P0324
Knock/Combustion Vibration Control System Error
The knock-control subsystem reports an internal error — typically a self-test fault or a noise floor that cannot be calibrated. The system protects against detonation by retarding ignition; with this fault knock control is disabled.
The knock-control subsystem reports an internal error — typically a self-test fault or a noise floor that cannot be calibrated. The system protects against detonation by retarding ignition; with this fault knock control is disabled.
Common causes
- high
Internal knock-control fault
One of the most commonly reported causes for this code — check this first.
Typical part cost: $220-1650
- low
Gateway module routing CAN messages incorrectly
Less common, but worth ruling out after the more likely causes.
Typical part cost: $220-1650
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P0324 mean?
P0324 means "Knock/Combustion Vibration Control System Error". It is a generic OBD-II code that points to a fault in the ignition system or misfire.
What are the most common causes of P0324?
internal knock-control fault; gateway module routing can messages incorrectly; can terminating resistor (120 ω) drifted out of spec — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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