P1446 — Volkswagen: Catalyst Temperature Circuit Short To Ground

Code breakdown

Manufacturer-specific meanings (Volkswagen)

• Fiat
  Circuito elettrovalvola aspirazione vapori (Mazda)
• BMW
  Diagnostic Module Tank Leakage DM-TL Pump Control Circuit Signal High
• Mazda
  Evaporative Vacuum Solenoid Circuit
• Nissan
  EVAP Canister Vent Control Valve Closed
• Volkswagen
  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

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