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Service bulletins for the 2020 Honda Ridgeline

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.

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

By type

By component

By trouble code

Bulletins, newest first
A20-0022022-08-02. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. Service bulletin - The MIL is 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
A21100B2022-02-04. Service bulletin. AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT. ServiceNews Article - There are several possible causes for the SRS DTC U3000-49 (Internal Failure of the SRS Unit) to be stored. If you can duplicate the DTC, the troubleshooting will take you through the step-by-step process in isolating the faulty component. In most situations, the SRS Unit should be last on the list of components to replace. Here is a quick tip for troubleshooting a faulty seat weight sensor.
A21100B2022-01-11. Service bulletin. AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT; SEATS. ServiceNews Article - There are several possible causes for the SRS DTC U3000-49 (Internal Failure of the SRS Unit) to be stored. If you can duplicate the DTC, the troubleshooting will take you through the step-by-step process in isolating the faulty component. In most situations, the SRS Unit should be last on the list of components to replace. Here is a quick tip for troubleshooting a faulty seat weight sensor.
A17-0832021-12-14. Service bulletin. LATCHES/LOCKS/LINKAGES; STRUCTURE. Service Bulletin - The hood flutters or vibrates at highway speeds.
A21100B2021-10-28. Service bulletin. SEATS; AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT; AIR BAGS. ServiceNews Article - There are several possible causes for the SRS DTC U3000-49 (Internal Failure of the SRS Unit) to be stored. If you can duplicate the DTC, the troubleshooting will take you through the step-by-step process in isolating the faulty component. In most situations, the SRS Unit should be last on the list of components to replace. Here is a quick tip for troubleshooting a faulty seat weight sensor.
ATI&090320212021-09-09. Service bulletin. VISIBILITY; EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2021 Passports, Pilots and Ridgelines with a customer complaint of the front window slow to roll up/down. 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&081920219012021-08-25. Service bulletin. VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2021 Passports, Pilots and Ridgelines with a customer complaint of the front window slow to roll up/down. 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&061520219012021-06-22. Service bulletin. VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 Passports, Pilots & Ridgelines with a customer complaint of a blower motor noise. The noise can be described as a high pitch or a whistle noise. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
ATI&060120219012021-06-11. Service bulletin. VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 Passports, 2021 Pilots & 2020-2021 Ridgelines with a customer complaint of the A/C inop. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
ATI&052820219032021-06-04. Service bulletin. VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 Passports, Pilots & Ridgelines with a customer complaint of a blower motor noise. The noise can be described as a high pitch or a whistle noise. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
APaS042220219052021-04-27. Service bulletin. ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Odysseys, Passports, Pilots & Ridgelines with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
APaS033020219102021-04-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Odysseys, Passports, Pilots & Ridgelines with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
APaS033020219072021-04-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM; VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 Passports, 2021 Pilots & 2020-2021 Ridgelines with a customer complaint of the A/C inop. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
APaS032520219012021-04-05. Service bulletin. VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 Passports, Pilots & Ridgelines with a customer complaint of a blower motor noise. The noise can be described as a high pitch or a whistle noise. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
APaS031020219072021-03-16. Service bulletin. VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 Passports, 2021 Pilots & 2020-2021 Ridgelines with a customer complaint of the A/C inop. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
APaS022620219012021-03-02. Service bulletin. VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 Passports, Pilots & Ridgelines with a customer complaint of a blower motor noise. The noise can be described as a high pitch or a whistle noise. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
APaS021020219032021-02-18. Service bulletin. EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 Passports, Pilots & Ridgelines with a customer complaint of a blower motor noise. The noise can be described as a high pitch or a whistle noise. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
APaS012220219072021-01-30. Service bulletin. EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 Passports, Pilots & Ridgelines with a customer complaint of a blower motor noise. The noise can be described as a high pitch or a whistle noise. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
A07-0302021-01-30. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. "Service Bulletin - There are several A/C leak detection tools available. -Refrigerant Gas Leak Detector -Ultrasonic Leak Detector -Leak Dye"
APaS010620219052021-01-13. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 Passports, Pilots & Ridgelines with a customer complaint of a blower motor noise. The noise can be described as a high pitch or a whistle noise. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
APaS120520209082020-12-09. Service bulletin. EQUIPMENT; EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT ADAPTIVE/MOBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 Passports, Pilots & Ridgelines with a customer complaint of a blower motor noise. The noise can be described as a high pitch or a whistle noise. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
APaS111120202020-11-18. Service bulletin. VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 Passports, Pilots & Ridgelines with a customer complaint of a blower motor noise. The noise can be described as a high pitch or a whistle noise. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
AMV2005022020-05-19. Service bulletin. EQUIPMENT. Video Message - It concerns how to replace a leaky front rocker arm oil control valve. Due to a deteriorated lower gasket or an out-of-spec gasket groove, the front rocker arm oil control valve can leak in certain V6 models with variable cylinder management. To fix this issue service bulletin A20-023 was posted. Please let us know if you would like a copy of the video sent to you on a DVD or thumb drive.
AMV2005012020-05-19. Service bulletin. EQUIPMENT. Video Message - It concerns how to replace a leaky front rocker arm oil control valve. Due to a deteriorated lower gasket or an out-of-spec gasket groove, the front rocker arm oil control valve can leak in certain V6 models with variable cylinder management. To fix this issue service bulletin A20-023 was posted. Please let us know if you would like a copy of the video sent to you on a DVD or thumb drive.

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