P1414
Secondary Air Injection System Monitor Circuit High Voltage
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Check Engine Light Is On
- Deterioration of environmental indicators
- Increased fuel consumption
- Unstable engine idling
- Noise from secondary air pump
Causes
- Open circuit in the secondary air system control circuit
- Short circuit to power
- System solenoid valve malfunction
- Problems with the secondary air pump
- Engine control unit malfunction
How to Fix
- Check the integrity of the system wiring harness
- Test the system solenoid valves
- Check the operation of the secondary air pump
- Diagnose the engine control unit
- Replace faulty system components