Turbo/Supercharger Boost Control Solenoid Circuit Range/Performance
2009-2009 Audi A4 3.2L V6
The 2009 Audi A4 is equipped with a 3.2L V6 engine. Below you'll find detailed p0046 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
The boost control solenoid is not responding within expected parameters.
Symptoms
- Check Engine Light
- Overboosting or underboosting
- Reduced power
- Surging
Common Causes
- Sticking solenoid
- Vacuum leak
- Wastegate stuck
- Boost pressure sensor fault
Diagnostic Steps
- Monitor boost pressure vs commanded
- Test solenoid operation
- Check vacuum lines
- Inspect wastegate
Repair Notes
Replace solenoid or repair wastegate.
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
P0046 on Other Vehicles
Common Questions
What does code P0046 mean on a 2009-2009 Audi A4?
P0046 stands for "Turbo/Supercharger Boost Control Solenoid Circuit Range/Performance". The boost control solenoid is not responding within expected parameters.
What are the symptoms of P0046 on a Audi A4?
Common symptoms of P0046 include: Check Engine Light, Overboosting or underboosting, Reduced power, Surging.
What causes P0046 on a 2009-2009 Audi A4?
Common causes of P0046 include: Sticking solenoid, Vacuum leak, Wastegate stuck, Boost pressure sensor fault.
Last updated: March 2026