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Generic (SAE) Ignition

P0325: Knock Sensor 1 Circuit (Bank 1)

Diagnostic trouble code P0325 — what it means, the common causes, and how to confirm the real fault before replacing parts.

What does P0325 mean?

P0325 indicates: Knock Sensor 1 Circuit (Bank 1). This relates to the Ignition / Knock sensor system.

Common causes of P0325

Get the confirmed root cause for P0325 — on YOUR vehicle

A code is a symptom, not a diagnosis. AutoDX Pro cross-checks several independent assessments, pinpoints the actual root cause, gives you the exact tests to confirm it, and shows the parts — only after the cause is confirmed. Reads your scan-tool photo and decodes your VIN with open recalls.

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P0325 — frequently asked questions

What does P0325 mean?
P0325 is a diagnostic trouble code: Knock Sensor 1 Circuit (Bank 1).
What are the common causes of P0325?
Common causes include: Failed knock sensor, Wiring/connector, Loose mounting torque. The exact cause depends on the vehicle — confirm it before replacing parts.
Can I keep driving with P0325?
It depends on the fault and your symptoms. Some causes are minor, others can damage components or affect safety. Get the root cause confirmed before deciding.
How do I fix P0325?
Confirm the actual root cause with targeted tests first, then replace only the part that's at fault. AutoDX Pro gives you the root cause, the exact tests, and the parts for P0325 on your specific vehicle.

P0325 by make

AudiVolkswagenBMWMercedesPorsche

Related codes

P0300P0301P0302P0303P0304P0307