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Service bulletin A20-056

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10208841
Published by NHTSA2022-03-08
Manufacturer's numberA20-056
Manufacturer's date2022-03-01
NHTSA componentFUEL SYSTEM, GASOLINE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

Service Bulletin - The MIL comes on with DTC P2422 (EVAP canister vent shut valve stuck closed malfunction).

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories, Fuel system

Trouble codes named

P2422

Vehicles listed
HONDA PILOT2016, 2017, 2018, 2019, 2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20242622024-05-06. Fuel System
20236792023-12-18. Fuel System
23V8580002023-12-18. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
20211822021-03-26. Fuel System
21V2150002021-03-25. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
20V0670002020-02-06. EQUIPMENT:OTHER:LABELS
17V2190002017-03-30. FUEL SYSTEM, GASOLINE:STORAGE
16V4170002016-06-09. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
20162782016-06-03. Fuel System

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
A23-0912023-12-23. Service bulletin. Service Bulletin - Due to variations in the purge control solenoid valve spring, the valve wears unevenly and intermittently sticks. This may result in setting DTC P0441 (Evaporative Emission (EVAP) System Purge Flow Malfunction).
ATI&032820239022023-04-04. Service bulletin. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 Accords, CR-Vs, Odysseys, Passports, Pilots, Ridgelines, 2020 Fits, 2020-2021 Civic Hatchbacks, 2020-2023 Civic Sedans/Coups with a customer complaint of the Check Engine Light (CEL) on & the DTC P0087 (Fuel Rail Pressure Too Low [Loss of Fuel Pressure]) stored. In some cases, the customer may also experience such conditions as engine hard to start, no start or start & stumble in conjunction with CEL. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
ATI&031320239052023-03-23. Service bulletin. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 Accords, CR-Vs, Odysseys, Passports, Pilots, Ridgelines, 2020 Fits, 2020-2021 Civic Hatchbacks, 2020-2023 Civic Sedans/Coups with a customer complaint of the Check Engine Light (CEL) on & the DTC P0087 (Fuel Rail Pressure Too Low [Loss of Fuel Pressure]) stored. In some cases, the customer may also experience such conditions as engine hard to start, no start or start & stumble in conjunction with CEL. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
ATI&010320239072023-01-11. Service bulletin. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 Accords, CR-Vs, Odysseys, Passports, Pilots, Ridgelines, 2020 Fits, 2020-2021 Civic Hatchbacks, 2020-2023 Civic Sedans/Coups with a customer complaint of the Check Engine Light (CEL) on & the DTC P0087 (Fuel Rail Pressure Too Low [Loss of Fuel Pressure]) stored. In some cases, the customer may also experience such conditions as engine hard to start, no start or start & stumble in conjunction with CEL. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
A21-0342022-10-05. Service bulletin. Service Bulletin - (Repair Procedure Revision) Due to swelling of the fuel pump motor impeller, the fuel pump may seize and stop working. If this occurs, the check engine light may be displayed with DTC P0087 (Fuel Rail Pressure Too Low) stored, the engine may not start, or the engine could stall while driving, increasing the risk of a crash. Replace the fuel pump motor.
A20-0562022-07-07. Service bulletin. Service bulletin - The MIL comes on with DTC P2422 (EVAP canister vent shut valve stuck closed malfunction). Dirt may be clogging the EVAP canister vent tube.
A20-0222022-07-07. Service bulletin. Service bulletin - One or more accessory running board lights are flickering or not working. The running board light assembly is faulty. * Denotes Required Fields TSB ID : TSB Date : Calendar for date entry assistance Source : All Manual EMAIL MCA Portal
1509012022-05-09. Service bulletin. This article replaces the one posted in December 2015 to extend the article?s shelf life. The issues covered are still being addressed. Are you reading a DTC B121E (climate control unit lost communication with touch control panel) on the HDS and you can?t find anything in the service information to help you troubleshoot it? Just use the troubleshooting procedure for DTC U0180 (lost communication with auto L/T); it?s the one you want.
150722022-05-09. Service bulletin. There is a software problem within the audio-navigation unit that may cause the display screen, including any video images, to go blank and the unit to stop working.
000075712022-05-09. Service bulletin. This letter is to inform you that the software controlling the audio-navigation unit needs to be updated.