Code result
P032B
Knock/Combustion Vibration Sensor C Circuit Range/Performance
High severity
What it means
Knock sensor C 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
highOne of the most commonly reported causes for this code — check this first.
Gateway module routing CAN messages incorrectly
lowLess common, but worth ruling out after the more likely causes.
CAN terminating resistor (120 Ω) drifted out of spec
lowLess common, but worth ruling out after the more likely causes.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P032B freeNo credit card required