P0620moderate severityPowertrain
Generator Control Circuit
on 2017 Maserati Levante 3.0L V6 Twin Turbo · AWD
What this code means
The PCM detected a fault in the generator (alternator) control circuit. This can affect charging system regulation.
Symptoms
- Battery warning light
- Under- or over-charging
- Dim or flickering lights
Common causes
- Faulty alternator/generator
- Control circuit wiring fault
- Corroded connectors
- Faulty PCM
Diagnostic steps
- Test charging system output
- Check generator control circuit wiring
- Inspect connectors and grounds
- Replace alternator if faulty
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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