Heated Catalyst Heater Power Supply Open Circuit Bank 1
BMW · emissions
Fiabilidad del dato62%
The control module detected an interruption (open circuit) in the Heated Catalyst Heater Power Supply circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by BMW.
Evaporative emission (EVAP) canister purge system (fuel tank system) - leak detected
Honda · emissions
Fiabilidad del dato80%
The control module detected a condition consistent with a leak affecting the Evaporative emission (EVAP) canister purge system (fuel tank system). This is the manufacturer-specific definition used by Honda.
Evaporative emission (EVAP) canister purge system - very small leak
Nissan · emissions
Fiabilidad del dato62%
The control module detected a condition consistent with a leak affecting the Evaporative emission (EVAP) canister purge system - very small. This is the manufacturer-specific definition used by Nissan.
A/C Compressor Control
Porsche · climate_control
Fiabilidad del dato62%
The control module detected a fault associated with the A/C Compressor Control circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Porsche.
The control module detected that the EGR valve initialisation is jammed or locked. Documented for the Magneti Marelli MM6KP engine ECU (EW7A/EW10A) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Se aplica aPeugeotMagneti Marelli MM6KP engine ECU (EW7A/EW10A)
Exhaust gas recirculation temperature (EGRT) control, Bank 1 - control limit reached
VAG · emissions
Fiabilidad del dato62%
The control module detected that the monitored Exhaust gas recirculation temperature (EGRT) control, Bank 1 - control value reached its permissible limit. This is the manufacturer-specific definition used by Audi.
Posibles causas
EGRT sensor
Se aplica aAudi
P1456
Exhaust gas recirculation temperature (EGRT) control, control limit reached
VAG · emissions
Fiabilidad del dato80%
The control module detected that the monitored Exhaust gas recirculation temperature (EGRT) control, control value reached its permissible limit. This is the manufacturer-specific definition used by Volkswagen.
Rango definido por el fabricante: el significado puede variar entre marcas.
456
Índice específico del fallo dentro del subsistema.
Preguntas frecuentes sobre P1456
¿Qué significa P1456?
Código de avería diagnóstico (7 interpretaciones). The control module detected an interruption (open circuit) in the Heated Catalyst Heater Power Supply circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by BMW.
¿P1456 es genérico o específico del fabricante?
P1456 es un código específico del fabricante. En esta base de datos está documentado para: BMW, Honda, Nissan, Porsche, PSA, VAG. El mismo número puede significar otra cosa en otras marcas.
¿Puede TuningBot eliminar P1456 a nivel de archivo?
Si la lógica del fallo vive en la calibración de la ECU, sí: nuestro servicio DTC Removal desactiva la entrada de fallo concreta. La corrección del checksum no está incluida: es un servicio aparte y opcional. ¿No sabes si tu caso encaja? Solicita una valoración gratuita y nuestros ingenieros revisarán tu archivo.
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BMW
Honda
Nissan
Porsche
PSA
VAG