P0048moderate severityPowertrain
Turbo/Supercharger Boost Control Solenoid Circuit High
on 2005 Suzuki Aerio 2.0L I4 · FWD
What this code means
High voltage detected in the boost control solenoid circuit.
Symptoms
- Check Engine Light
- Overboosting
- Reduced power
Common causes
- Short to power
- Faulty solenoid
- PCM issue
Diagnostic steps
- Test circuit voltage
- Check for shorts to power
- Test solenoid
Repair notes
Repair short or replace solenoid.
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