P1446
Manufacturer-specific fault code
This code has different meanings depending on the manufacturer. Select your vehicle make below to view specific diagnosis and solutions:
Code breakdown
P — System
Powertrain (engine, transmission, fuel & emissions)
1 — Type
Manufacturer-specific
4 — Subsystem
Auxiliary emission controls
Manufacturer-specific meanings
- Circuito elettrovalvola aspirazione vapori (Mazda)
- Diagnostic Module Tank Leakage DM-TL Pump Control Circuit Signal High
- Evaporative Vacuum Solenoid Circuit
- EVAP Canister Vent Control Valve Closed
- Catalyst Temperature Circuit Short To Ground
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