P3011moderate severityPowertrain
Camshaft Profile Actuator A Control Circuit Bank 1
on 2008 Audi R8 4.2L V8 · AWD
What this code means
The electrical circuit for the camshaft profile actuator A on Bank 1 is malfunctioning. The PCM cannot properly command the cam profile switch.
Symptoms
- Check Engine Light
- No cam profile switching
- Reduced high-RPM performance
- Engine feels flat above mid-RPM
- Poor fuel economy at highway speeds
Common causes
- Open or short in actuator circuit
- Faulty actuator solenoid coil
- Corroded connector pins
- PCM driver failure
- Damaged wiring near exhaust
Diagnostic steps
- Measure voltage at actuator connector
- Test actuator solenoid resistance
- Inspect wiring for damage near exhaust manifold
- Check PCM output with oscilloscope
- Verify connector pin condition
Repair notes
Repair wiring or replace cam profile actuator solenoid.
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Bluetooth code reader (~$25)
Veepeak OBDCheck BLE →
Pairs with your phone — reads and clears codes, live data.
Serious DIY (~$100)
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
Shop-grade tablet (~$300+)
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.
Other Powertrain codes on this vehicle
00532
Supply Voltage B+ Signal too Low
16394
Camshaft/Crankshaft Position Correlation Bank 1
16395
Camshaft Position Actuator Circuit/Open Bank 1
16486
Mass or Volume Air Flow Circuit Low Input
16487
Mass or Volume Air Flow Circuit High Input
16500
Engine Coolant Temperature Circuit Malfunction
16501
Engine Coolant Temperature Circuit Low Input
16502
Engine Coolant Temperature Circuit High Input
16514
O2 Sensor Circuit Bank 1 Sensor 1
16515
O2 Sensor Circuit Low Voltage Bank 1 Sensor 1