P0023moderate severityPowertrain
Exhaust Camshaft Position Actuator Circuit/Open Bank 2
on 2009 Audi R8 5.2L V10 (Gen 1, 525hp) · AWD
What this code means
The PCM detected a fault in the exhaust camshaft actuator circuit for Bank 2.
Symptoms
- Check Engine Light
- Rough idle
- Poor emissions
- Reduced power
Common causes
- Faulty exhaust VVT solenoid Bank 2
- Wiring damage
- PCM failure
Diagnostic steps
- Test solenoid resistance
- Inspect wiring
- Check oil level
Repair notes
Replace exhaust VVT solenoid Bank 2.
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