Powertrain
generic / SAE
P0330
Knock Sensor 2 Circuit (Bank 2)
A general electrical fault in the bank 2 knock sensor circuit. The ECU monitors a piezoelectric sensor for engine vibration patterns associated with detonation; an open, shorted, or out-of-range circuit triggers this code.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number3 / 30
Possible causes
- Knock sensor failed high
- Wiring/connector fault medium
Symptoms
- Check engine light on
- Power loss from defensive spark retard
- Increased fuel consumption
- Possible audible pinging under load
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 150–900 €
- Estimated time: 1–6 h
- Component: knock sensor
- Component: sensor wiring
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012