P1490low severityPowertrain
Vacuum Cut Valve Bypass Valve Circuit
on 2020 Nissan NV 5.6L V8 · FWD
What this code means
Electrical fault in vacuum cut valve bypass valve circuit.
Symptoms
- CEL
- EVAP issues
- Failed emissions
Common causes
- Open/short in wiring
- Faulty solenoid
- Corroded connector
- Faulty ECM
Diagnostic steps
- Test circuit resistance
- Inspect wiring
- Check connector
- Test ECM output
Repair notes
Repair wiring or replace valve.
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
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1