Knock Sensor 2 Circuit High Input (Bank 2)
The bank 2 knock sensor signal is above the expected voltage range. Typically caused by a short to supply voltage or an internal sensor fault.
Affected components
- Knock sensor
- Sensor wiring
Common causes
- High likelihood: Signal wire shorted to supply
- Medium likelihood: Knock sensor failed
- Low likelihood: Connector pins corroded - high contact resistance
Possible symptoms
- Check engine light on
- Power loss from defensive spark retard
- Increased fuel consumption
- Possible audible pinging under load
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- A drive cycle may be required after repair
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.