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 →

18-035-25

JEEP

Reported code forms P0456

Flash: Powertrain Control Module (PCM) Updates *Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ●…

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14-003-24

JEEP

Reported code forms P0456

"Fuel Tube Replacement **Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DTC has been set:** ● P0456 - EVAP System Small Leak."

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1810023

JEEP

Reported code forms P0456

Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble…

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1400723

JEEP

Reported code forms P0456

Fuel Tank Filler Tube Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DTC has been set: ? P0456 - EVAP System Small Leak. This…

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1807623

JEEP

Reported code forms P0456

Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble…

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18-035-20

DODGE, JEEP

Reported code forms P0456

Fuel Vapor Hose Not Connected This bulletin involves inspecting and connecting a loose fuel vapor hose. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician…

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18-009-20

JEEP

Reported code forms P0456

Flash: Powertrain Control Module (PCM) and Transmission Control Module (TCM) Updates This is a coordinated bulletin that involves reprogramming the PCM and TCM,at the same time, with the latest available software.Both…

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1809419

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…

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18-094-19

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…

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1809319

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…

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18-093-19

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…

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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…

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18-098-16

JEEP

Reported code forms P0456

Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon…

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21-029-16

JEEP

Reported code forms P0456

Flash: Transmission Shift And Drivability Enhancements Flash: Transmission Shift And Drivability Enhancements Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the…

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DODGE, JEEP

Reported code forms P0456

Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the PCM with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL)…

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1805516

DODGE, JEEP

Reported code forms P0456

Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction…

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18-055-16

DODGE, JEEP

Reported code forms P0456

Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction…

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18-113-15

DODGE, JEEP

Reported code forms P0456

Flash: Powertrain Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. The customer may describe a Malfunction Indicator…

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DODGE, JEEP

Reported code forms P0456

P0455/P0456 Set In The Powertrain Control Module (PCM) This bulletin involves replacing the evaporative emissions purge valve hose due to a split in the hose that will prevent the system from sealing. The customer may…

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25-002-15 REV-B

DODGE, JEEP

Reported code forms P0456

P0455/P0456 Set In The Powertrain Control Module (PCM) This bulletin involves replacing the evaporative emissions purge valve hose due to a split in the hose that will prevent the system from sealing. The customer may…

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DODGE, JEEP

Reported code forms P0456

P0455 And/Or P0456 Set In The PCM This bulletin involves replacing the evaporative emissions purge valve hose due to a split in the hose that will prevent the system from sealing. The customer may experience a…

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25-002-15 REV-A

DODGE, JEEP

Reported code forms P0456

P0455 And/Or P0456 Set In The PCM This bulletin involves replacing the evaporative emissions purge valve hose due to a split in the hose that will prevent the system from sealing. The customer may experience a…

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25-002-15

DODGE, JEEP

Reported code forms P0456

P0455 And/Or P0456 Set In The PCM This bulletin involves replacing the evaporative emissions purge valve hose due to a split in the hose that will prevent the system from sealing. The customer may experience a…

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2500102A

CHRYSLER, DODGE, JEEP, PLYMOUTH

Reported code forms P0456

MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION, DIAGNOSTIC TROUBLE CODE (DTC) P0442, P0455, OR P0456 - LEAK DETECTION PUMP (LDP), LEAK DETECTED. THIS BULLETIN SUPERSEDES 25-001-02 DATED FEB 11, 2002. *TT

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180100

CHRYSLER, DODGE, EAGLE, JEEP, PLYMOUTH

Reported code forms P0456

SUBJECT REGARDING MISDIAGNOSED LEAK DETECTION PUMP SYSTEMS WITH DIAGNOSTIC TROUBLE CODES P1494, P0442 P0455, OR P0456. *TT

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