P0412
Secondary Air Injection System Switching Valve A Circuit
1995-2005 Pontiac Sunfire 2.2L I4
Low SeverityPowertrainGeneric (SAE)
Description
Malfunction in the AIR switching valve circuit.
Symptoms
- Check Engine Light
- AIR system not functioning
Common Causes
- Faulty switching valve
- Wiring issue
- Relay failure
Diagnostic Steps
- Test valve solenoid
- Check wiring
- Test relay
Repair Notes
Replace switching valve or repair wiring.
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
P0412 on Other Vehicles
Pontiac Aztek
2001-2005 3.4L V6
Pontiac Bonneville
1990-1999 3.8L 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 Bonneville SSEi
1992-1999 3.8L Supercharged V6
Pontiac Bonneville SSEi
1992-1999 3.8L V6 Supercharged
Pontiac Firebird
1993-1997 3.4L V6
Common Questions
What does code P0412 mean on a 1995-2005 Pontiac Sunfire?
P0412 stands for "Secondary Air Injection System Switching Valve A Circuit". Malfunction in the AIR switching valve circuit.
What are the symptoms of P0412 on a Pontiac Sunfire?
Common symptoms of P0412 include: Check Engine Light, AIR system not functioning.
What causes P0412 on a 1995-2005 Pontiac Sunfire?
Common causes of P0412 include: Faulty switching valve, Wiring issue, Relay failure.