Code result
P0326
Knock Sensor 1 Circuit Range/Performance
High severity
What it means
Knock sensor A signal is in electrical range but plausibility check fails — typically a loose mounting, wrong torque, or sensor element drift.
Is it safe to drive?
No — stop driving
This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly.
Most likely causes
Sensor loose — incorrect torque
highOne of the most commonly reported causes for this code — check this first.
Sensor element drift
mediumA plausible cause — test and verify before replacing parts.
Gateway module routing CAN messages incorrectly
lowLess common, but worth ruling out after the more likely causes.
Related help
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