P1490
Vacuum Cut Valve Bypass Valve Circuit
2011-2013 Infiniti M56 5.6L V8
Low SeverityPowertrain
Description
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
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1490 on Other Vehicles
Common Questions
What does code P1490 mean on a 2011-2013 Infiniti M56?
P1490 stands for "Vacuum Cut Valve Bypass Valve Circuit". Electrical fault in vacuum cut valve bypass valve circuit.
What are the symptoms of P1490 on a Infiniti M56?
Common symptoms of P1490 include: CEL, EVAP issues, Failed emissions.
What causes P1490 on a 2011-2013 Infiniti M56?
Common causes of P1490 include: Open/short in wiring, Faulty solenoid, Corroded connector, Faulty ECM.