P1519
Idle Air Control Valve Circuit Failure
2016-2021 Honda Civic 2.0L I4
Moderate SeverityPowertrain
Description
Additional fault condition in the IAC valve circuit.
Symptoms
- CEL
- Unstable idle
- Stalling
- Speed too high or low
Common Causes
- Faulty IAC valve
- Wiring issues
- Connector problems
- Vacuum leak
Diagnostic Steps
- Test IAC valve
- Inspect wiring
- Check connector
- Check for vacuum leaks
Repair Notes
Replace IAC valve or repair wiring.
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
P1519 on Other Vehicles
Common Questions
What does code P1519 mean on a 2016-2021 Honda Civic?
P1519 stands for "Idle Air Control Valve Circuit Failure". Additional fault condition in the IAC valve circuit.
What are the symptoms of P1519 on a Honda Civic?
Common symptoms of P1519 include: CEL, Unstable idle, Stalling, Speed too high or low.
What causes P1519 on a 2016-2021 Honda Civic?
Common causes of P1519 include: Faulty IAC valve, Wiring issues, Connector problems, Vacuum leak.