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Service bulletins for the 2019 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.

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

By type

By component

By trouble code

Bulletins, newest first
A23-0912023-12-23. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. 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&112720239012023-12-07. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; VISIBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2023 Ridgelines with a customer complaint of the power window master switch inop. Customer may also report that the other window switches are still operable. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
A23-0782023-10-17. Service bulletin. POWER TRAIN. Service Bulletin - Torque converters may not have been manufactured to proper specifications. As a result, the torque converter lock-up clutch cannot provide adequate holding force due to pressure bleeding down through a crack in the lock-up piston. The reduced lock-up clutch capacity results in DTC P0741 Torque Converter Clutch Circuit Performance or Stuck OFF.
A23-0782023-09-06. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; ENGINE AND ENGINE COOLING. Service Bulletin - Torque converters may not have been manufactured to proper specifications. As a result, the torque converter lock-up clutch cannot provide adequate holding force due to pressure bleeding down through a crack in the lock-up piston. The reduced lock-up clutch capacity results in DTC P0741 Torque Converter Clutch Circuit Performance or Stuck OFF.
ABOM083120239012023-09-06. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. Dealer Message - Torque converters may not have been manufactured to proper specifications. As a result, the torque converter lock-up clutch cannot provide adequate holding force due to pressure bleeding down through a crack in the lock-up piston. The reduced lock-up clutch capacity results in the MIL illuminating and set DTC P0741 Torque Converter Clutch Circuit Performance or Stuck OFF.
A23-0742023-08-23. Service bulletin. POWER TRAIN. Service Bulletin - Vehicle shows Transmission Temperature Too Hot on the MID with no related DTCs due to ATF deterioration causing high foaming and low viscosity. During extended high load driving ATF 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.
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.
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.
A21-0552022-11-08. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - REVISION SUMMARY Under PARTS INFORMATION, the trim level was corrected. SYMPTOM The vehicle’s factory security system will sound off intermittently when the vehicle is parked, and the system is armed.
A21-0352022-10-05. 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.
A20-0022022-09-09. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. 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.
A20-0022022-08-02. 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
A17-0832021-12-14. Service bulletin. LATCHES/LOCKS/LINKAGES; STRUCTURE. Service Bulletin - The hood flutters or vibrates at highway speeds.
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.
A21-0552021-06-18. Service bulletin. LATCHES/LOCKS/LINKAGES. Service Bulletin - The vehicle's factory security system will sound off intermittently when the vehicle is parked, and the system is armed.
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.
ONLN94032920212021-04-06. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. "Owner Notification Letter - On some 2017-19 Pilot, 2017-19 Ridgeline, and 2018-19 Odyssey models, the malfunction indicator light (MIL) may come on if one or more of the following diagnostic trouble codes (DTCs) are stored: - P0420 (rear bank catalyst system efficiency below threshold [bank 1]) - P0430 (front bank catalyst system efficiency below threshold [bank 2]) - P0300-P0306 (misfire) - P219A (air-fuel ratio variation of cylinder [bank 1, rear bank]) - P219B (air-fuel ratio variation of cylinder [bank 2, front bank]) American Honda is extending the warranty on the fuel injectors to 10 years from the original date of purchase or 150,000 miles, whichever comes first. This warranty extension provides coverage for the original owner and any subsequent owners. No action is required on your part unless you experience a problem."
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.
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.
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.

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