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Service bulletins for the 2019 Honda Pilot

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.

223 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
A23-0732023-09-13. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. Service Bulletin - The vehicle's transmission temperature can become too hot due to automatic transmission fluid deterioration causing high foaming and low viscosity. During extended high load driving, the automatic transmission fluid will foam and cooler flow rate is reduced.
A23-0502023-07-06. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; VISIBILITY. Service Bulletin - Honda has received customer complaints of the air conditioning system not blowing cold air due to an Oil/Refrigerant leak from the A/C compressor shaft seal.
A23-0232023-04-22. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY; ENGINE AND ENGINE COOLING. Service Bulletin - The engine will not crank on initial startup after precipitation and sub-freezing temperatures. Water can enter the starter motor, and when temperatures drop below freezing, the water will freeze inside the starter motor. This will prevent the starter from cranking the engine.
A19-0242023-04-20. Service bulletin. SEATS. Service Bulletin - There is a loud buzzing or whining when adjusting the driver’s or front passenger’s seat forward and backward. This is due to the issue that the flex cable in the seat adjustment mechanism is not correctly lubricated.
ONL6AX03102023-22023-03-18. Service bulletin. ENGINE AND ENGINE COOLING. Product Update - Honda is conducting a product update to your 2019-22 Passport, 2016-22 Pilot, and 2020-23 Ridgeline. Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart.
ONL6T603102023-42023-03-18. Service bulletin. ENGINE AND ENGINE COOLING. Warranty Extension - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart.
ONL6T603102023-22023-03-18. Service bulletin. ENGINE AND ENGINE COOLING. Warranty Extension - Warranty Extension reimbursement form for engine idle stop repairs made before the warranty extension notice date.
A23-0232023-03-18. Service bulletin. ENGINE AND ENGINE COOLING. Service Bulletin - The engine will not crank on initial startup after precipitation and sub-freezing temperatures. Water can enter the starter motor, and when temperatures drop below freezing, the water will freeze inside the starter motor. This will prevent the starter from cranking the engine.
A23-0242023-03-18. Service bulletin. EXTERIOR LIGHTING. Service Bulletin - The headlight seal may become damaged from a misadjusted hood. Damage to the headlight seal may lead to moisture condensation building up in the headlight.
A23-0082023-02-03. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Service Bulletin - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. Typically, the customer can immediately restart the vehicle by selecting Park and pushing the ENGINE START/STOP button.
ABOM010620232023-01-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. Dealer Message - During development, the idle stop enable criteria was mis-set allowing idle stop to improperly engage while battery health is low. Under certain circumstances, after coming to a stop and engaging idle stop, the vehicle may not automatically restart. In most cases, the client can immediately restart the vehicle by selecting Park and pushing the Start button.
A23-0092023-01-11. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR; ELECTRICAL SYSTEM:SOFTWARE. Service Bulletin - Under certain circumstances, after coming to a stop and engaging idle stop, the vehicle may not restart automatically due to excessive cylinder pressure and/or low cranking torque. Typically, the customer can immediately restart the vehicle by selecting Park and pressing the ENGINE START/STOP button. NOTE: If 23-008 Product Update: PGM-FI Idle Stop Software Update is applicable to the VIN, the PGM-FI software must be updated first before the warranty extension applies. Honda is extending the warranty coverage for valve adjustment and starter replacement related to this condition to 10 years from the original date of purchase with no mileage limitation.
A23-0082023-01-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. Service Bulletin - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. Typically, the customer can immediately restart the vehicle by selecting Park and pushing the ENGINE START/STOP button.
A21-0342022-10-05. Service bulletin. FUEL SYSTEM, GASOLINE. 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.
A22-0272022-09-27. Service bulletin. ELECTRICAL SYSTEM. "Service Bulletin - Audio sound will stop and No Audio Connection message appears in the audio display. NOTE: This is not related to MOST Ring break conditions." "Service Bulletin - Audio sound will stop and No Audio Connection message appears in the audio display. NOTE: This is not related to MOST Ring break conditions."
A22-0272022-09-09. Service bulletin. ELECTRICAL SYSTEM. Service bulletin - Audio sound will stop and No Audio Connection message appears in the audio display. Audio amplifier software error.
A22-0012022-09-09. Service bulletin. ELECTRICAL SYSTEM. Service bulletin - On February of 2022, the 3G network will no longer support the in-vehicle services that the vehicle has previously supported. As of August 23, 2022, the Product Improvement Campaign has ended. The TCU can no longer be updated using Over The Air updates. If the customer needs to restore TCU services, the only option is to replace the TCU. This would be done as a customer pay repair.
A22-0272022-09-09. Service bulletin. ELECTRICAL SYSTEM. "Service bulletin - Audio sound will stop and No Audio Connection message appears in the audio display. NOTE: This is not related to MOST Ring break conditions."
ONLH6CPIL08082022022-09-09. Service bulletin. ELECTRICAL SYSTEM. Customer letter - Our records indicate that a Product Update has not been completed on this vehicle . The audio/information screen may show the clock being off by 1 hour. To correct this, an audio software update is available. Honda strongly recommends updating your vehicle as soon as possible.
A20-0562022-07-07. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; EQUIPMENT. 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. EQUIPMENT; EXTERIOR LIGHTING. 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
ATI&060720229012022-07-07. Service bulletin. EXTERIOR LIGHTING; VISIBILITY. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 Passports, Pilots & 2021 Ridgelines with a customer complaint of moisture in the headlight. To better understand the cause of this condition, AHM would like to inspect the vehicle before you attempt a repair of any kind.
24142_honda_6gb_2022-07-07. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS; ELECTRICAL SYSTEM. "Notice - Our records indicate that a PRODUCT IMPROVEMENT UPDATE has not been completed on this vehicle (Vehicle Identification Number [VIN NUMBER]). The date for updating vehicles was extended from February 22, 2022 to August 22, 2022. As of August 23, 2022, the 3G network will no longer support the in-vehicle services that the vehicle has previously supported. The Telematics Control Unit (TCU) using the Over the Air (OTA) update is required to connect to the VoLTE network to continue communications. Honda strongly recommends updating your vehicle as soon as possible, or risk having to replace the TCU at your cost."
A20-0562022-06-06. Service bulletin. ENGINE AND ENGINE COOLING. 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.
A20-0562022-05-06. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. 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.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.