Powertrain
generic / SAE
P2346
Cylinder 11 Above Knock/Combustion Vibration Sensor Threshold
The knock or combustion-vibration sensor monitors the structure-borne noise of each cylinder. The signal level for cylinder 11 has stayed above the diagnostic threshold for an extended period, indicating either persistent knock or an electrical fault that biases the channel high.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number3 / 46
Possible causes
- Persistent knocking on cylinder 11 high
- Sensor or wiring biased high medium
- Gateway module routing CAN messages incorrectly low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–1500 €
- Estimated time: 0.8–4 h
- Component: knock sensor
- Component: knock sensor wiring
- Component: cylinder 11 combustion
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012