P1456 — BMW: Heated Catalyst Heater Power Supply Open Circuit Bank 1

Code breakdown

Manufacturer-specific meanings (BMW)

• Fiat
  Circuito sensore temperatura serbatoio carburante (Mazda)
• AcuraHondaInfiniti
  Evaporative Emission Control System Leak Detected Fuel Tank System
• BMW
  Heated Catalyst Heater Power Supply Open Circuit Bank 1
• Mazda
  Fuel Tank Temperature Sensor Circuit
• Volkswagen
  Exhaust Gas Temperature Control Bank 1 Limit Attained

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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