P0046moderate severityPowertrain
Turbo/Supercharger Boost Control Solenoid Circuit Range/Performance
on 2017 Chevrolet Impala 2.5L I4 Ecotec · AWD
What this code means
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.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1