P0226high severityPowertrain
Throttle/Pedal Position Sensor/Switch C Circuit Range/Performance
on 2009 Audi A8 4.2L V8 · AWD
What this code means
The C throttle or pedal position sensor reads within limits but doesn't agree with other position signals. Often a drifting or misaligned sensor.
Symptoms
- Check engine light on
- Hesitation on acceleration
- Reduced power mode
Common causes
- Drifting or misaligned sensor C
- Wiring resistance issues
- Corroded connector
- Faulty PCM
Diagnostic steps
- Scan and compare position signals
- Verify sensor tracks with throttle movement
- Inspect wiring and connectors
- Replace sensor if reading is skewed
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