Heated Catalyst Heater Power Supply Open Circuit Bank 1
BMW · emissions
Affidabilità 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
Affidabilità 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
Affidabilità 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
Affidabilità 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.
Si applica aPeugeotMagneti Marelli MM6KP engine ECU (EW7A/EW10A)
Exhaust gas recirculation temperature (EGRT) control, Bank 1 - control limit reached
VAG · emissions
Affidabilità 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.
Possibili cause
EGRT sensor
Si applica aAudi
P1456
Exhaust gas recirculation temperature (EGRT) control, control limit reached
VAG · emissions
Affidabilità 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.
Gamma definita dal costruttore: il significato può cambiare tra marche.
456
Indice specifico del guasto dentro il sottosistema.
Domande frequenti su P1456
Cosa significa P1456?
Codice di errore diagnostico (7 interpretazioni). 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 è generico o specifico del costruttore?
P1456 è un codice specifico del costruttore. In questo database è documentato per: BMW, Honda, Nissan, Porsche, PSA, VAG. Lo stesso numero può significare altro su altre marche.
TuningBot può rimuovere P1456 a livello di file?
Se la logica del guasto vive nella calibrazione della ECU, sì: il nostro servizio DTC Removal disattiva la specifica voce di errore e, se la ECU lo richiede, ricalcola anche il checksum. Non sei sicuro che il tuo caso rientri? Richiedi una valutazione gratuita e i nostri ingegneri controllano il tuo file.