HomeP0456 · Manufacturer communications

P0456 · Manufacturer communications

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

P0456 →

VOLKSWAGEN

Reported code forms P0456

Customer states rattle noise from the underbody heat shields Any thermostat related concerns (faults, leaks, etc.) Customer states MIL-on, fault P0442 and/or P0456 stored in ECM memory Customer states rattle noise under…

Read communication ↗

VOLKSWAGEN

Reported code forms P0456

Customer states rattle noise from the underbody heat shields Any thermostat related concerns (faults, leaks, etc.) Customer states MIL-on, fault P0442 and/or P0456 stored in ECM memory Customer states rattle noise under…

Read communication ↗

VOLKSWAGEN

Reported code forms P0456

Customer states rattle noise from the underbody heat shields Any thermostat related concerns (faults, leaks, etc.) Customer states MIL-on, fault P0442 and/or P0456 stored in ECM memory Customer states blind spot…

Read communication ↗

VOLKSWAGEN

Reported code forms P0456

Customer states rattle noise from the underbody heat shields Any thermostat related concerns (faults, leaks, etc.) Customer states MIL-on, fault P0442 and/or P0456 stored in ECM memory Customer states blind spot…

Read communication ↗

VOLKSWAGEN

Reported code forms P0456

Customer states rattle noise from the underbody heat shields Any thermostat related concerns (faults, leaks, etc.) Customer states MIL-on, fault P0442 and/or P0456 stored in ECM memory Customer states blind spot…

Read communication ↗

1810822REVA

RAM

Reported code forms P0456

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Powertrain Control Module (PCM) with updatedsoftware. Customers may experience a Malfunction Indicator Lamp (MIL) illumination.…

Read communication ↗

1810722REVA

RAM

Reported code forms P0456

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Powertrain Control Module (PCM) with thelatest available software. Customers may experience a Malfunction Indicator Lamp (MIL)…

Read communication ↗

1811422

JEEP

Reported code forms P0456

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…

Read communication ↗

1810822

RAM

Reported code forms P0456

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Powertrain Control Module (PCM) with updatedsoftware. The customer may describe extended cranking or starting times when the…

Read communication ↗

1810722

RAM

Reported code forms P0456

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Powertrain Control Module (PCM) with thelatest available software. The customer may describe extended engine cranking or starting…

Read communication ↗

TSB_ENG328

KIA

Reported code forms P0456

TECHNICAL SERVICE BULLETIN: SERVICE ACTION: ECM LOGIC IMPROVEMENT FOR DTC P0456/P013E (SA498) - This bulletin provides the procedure to update the software logic of the Engine Control Module (ECM) system on some 2023MY…

Read communication ↗

18-048-22

JEEP

Reported code forms P0456

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…

Read communication ↗

1808122

JEEP

Reported code forms P0456

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…

Read communication ↗

1807722

JEEP

Reported code forms P0456

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…

Read communication ↗

1807422

DODGE

Reported code forms P0456

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…

Read communication ↗

1807022

RAM

Reported code forms P0456

Flash: Powertrain Control Module (PCM) Updates RAM 1500 PickupThis bulletin applies to vehicles within the following markets/countries: North America, APAC, EMEA and LATAM. This bulletin applies to vehicles equipped…

Read communication ↗

1806522

DODGE

Reported code forms P0456

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…

Read communication ↗

1806422

DODGE

Reported code forms P0456

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…

Read communication ↗

1806622

DODGE

Reported code forms P0456

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…

Read communication ↗

TSB_FUE057

KIA

Reported code forms P0456

This bulletin provides the procedure to update the software logic of the Engine Control Module (ECM) system on some 2022MY Carnival (KA4) vehicles produced from January 4, 2021 through January 12, 2022, which may…

Read communication ↗

1804822

JEEP

Reported code forms P0456

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…

Read communication ↗

1804822

JEEP

Reported code forms P0456

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…

Read communication ↗

1804822

JEEP

Reported code forms P0456

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…

Read communication ↗

NTB17-082E

NISSAN

Reported code forms P0456

DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

Read communication ↗

NTB13-097J

NISSAN

Reported code forms P0456

EVAP LEAK DTC P0442, P0455, P0456 INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

Read communication ↗

ITB17-042E

INFINITI

Reported code forms P0456

DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

Read communication ↗

ITB13-044J

INFINITI

Reported code forms P0456

EVAP LEAK DTC P0442, P0455, P0456 INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

Read communication ↗

SSM 50348

FORD, LINCOLN

Reported code forms P0456

Some 2020-2022 Explorer/Aviator vehicles may exhibit an illuminated MIL with multiple diagnostic trouble codes (DTC). These DTCs may include P04F0, P008A, P0451, P0455, P0456, P0496 and/or P018C. This may be due to the…

Read communication ↗

SSM 50306

FORD, LINCOLN

Reported code forms P0456

Some 2018-2021 EcoSport, Expedition, Navigator; 2019-2021 Ranger; 2020-2021 Escape, Corsair, Explorer, Transit; 2021 Bronco, Bronco Sport, Edge, Nautilus, F-150, Mustang; 2019-2022 Transit Connect; 2020-2022 Aviator,…

Read communication ↗

ATI&11032021902

HONDA

Reported code forms P0456

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Odysseys with a customer complaint of fuel smell and/or MIL on with DTC P0456 (EVAP System Very Small Leak Detected) stored. To…

Read communication ↗