Camshaft Profile Actuator A Control Circuit Bank 1
1995-2005 Pontiac Sunfire 2.2L I4
Description
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.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P3011 on Other Vehicles
Pontiac Aztek
2001-2005 3.4L V6
Pontiac Bonneville
2000-2005 3.8L V6
Pontiac Bonneville GXP
2000-2005 4.6L V8
Pontiac Bonneville GXP
2000-2005 4.6L V8 Northstar
Pontiac Firebird
1998-2002 3.8L V6
Pontiac Firebird
1998-2002 5.7L V8 LS1
Pontiac Firebird Trans Am
1998-2002 5.7L V8 LS1
Pontiac Firebird Trans Am WS6
2002-2002 5.7L V8 LS1
Common Questions
What does code P3011 mean on a 1995-2005 Pontiac Sunfire?
P3011 stands for "Camshaft Profile Actuator A Control Circuit Bank 1". The electrical circuit for the camshaft profile actuator A on Bank 1 is malfunctioning. The PCM cannot properly command the cam profile switch.
What are the symptoms of P3011 on a Pontiac Sunfire?
Common symptoms of P3011 include: Check Engine Light, No cam profile switching, Reduced high-RPM performance, Engine feels flat above mid-RPM, Poor fuel economy at highway speeds.
What causes P3011 on a 1995-2005 Pontiac Sunfire?
Common causes of P3011 include: Open or short in actuator circuit, Faulty actuator solenoid coil, Corroded connector pins, PCM driver failure, Damaged wiring near exhaust.