P1409 — Cadillac
P1409 — Cadillac: EGR Vacuum System Leak
Code breakdown
P — System
Powertrain (engine, transmission, fuel & emissions)
1 — Type
Manufacturer-specific
4 — Subsystem
Auxiliary emission controls
Manufacturer-specific meanings (Cadillac)
- Circuito elettrovalvola regolatore depressione EGR o circuito valvola ricircolo gas di scarico (Jaguar)
- EGR Vacuum System Leak
- EGR Vacuum Regulator Circuit Malfunction
- Exhaust Gas Recirculation Valve Circuit
- EGR Vacuum Regulator Solenoid Circuit
- Electronic Vacuum Regulator Control Circuit Fault
- Tank Ventilation Valve Electrical Malfunction
Related codes
- P1400 — Manufacturer-specific fault code
- P1400-bmw — Heated Catalyst Battery Voltage or Current Too Low During Heating Bank 1
- P1400-fiat — Input basso circuito EGR ritorno pressione differenziale o comando posizione valvola ricircolo gas di scarico
- P1400-ford — Differential Pressure Feedback Electronic Sensor Circuit Low Voltage
- P1400-jaguar — Exhaust Gas Recirculation Valve Postion Control
- P1400-lexus — Sub-TP Sensor Malfunction