P0039moderate severityPowertrain
Turbo/Supercharger Bypass Valve Control Circuit Range/Performance
on 2017 Maserati Levante 3.0L V6 Twin Turbo · AWD
What this code means
The PCM detects the turbo or supercharger bypass valve control circuit is out of expected range. Boost pressure regulation may be affected.
Symptoms
- Reduced engine power
- Check engine light on
- Poor boost response
Common causes
- Faulty bypass valve
- Wiring or connector fault
- Vacuum leak at valve
- Failed PCM driver
Diagnostic steps
- Scan and record freeze frame data
- Inspect bypass valve and hoses
- Test valve control circuit continuity
- Command valve with scan tool and observe
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Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0005
Fuel Shutoff Valve A Control Circuit/Open
P0006
Fuel Shutoff Valve A Control Circuit Low
P0007
Fuel Shutoff Valve A Control Circuit High
P0008
Engine Position System Performance - Bank 1
P0009
Engine Position System Performance - Bank 2
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1