WenmarOpen by Wenmar Pro

Service bulletins for the 2024 Honda Prologue

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.

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

By type

By component

By trouble code

Bulletins, newest first
ONL6WM092026P2026-10-01. Other. ELECTRICAL SYSTEM. Owner Notification Letter - Certain 2024 Prologue vehicles may have improperly installed, or missing cavity plugs from the rear chassis harness electrical connector.
A26-0322026-07-01. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - Certain 2024 Prologue vehicles may have improperly installed or missing cavity plugs from the rear chassis harness electrical connector.
AEBM062620269022026-07-01. Other. ELECTRICAL SYSTEM. Dealer Message - Due to improper manufacturing, the rear chassis harness connector may not be properly sealed and only partially seated. An unsealed connector in a half set condition may allow for water or debris intrusion, potentially causing corrosion or damage to wire harness connections which may lead to loss of brake assist, parking brake stuck on/off, or inconsistent unit operation while driving.
ONL6UP060120262026-06-11. Other. POWER TRAIN. Owner Notification Letter - During manufacturing, improperly sized bolts may have been used to install the motor mount on the front electric drive transmission module. Improper bolts may cause damage to the drive unit case resulting in an oil leak.
ONL6MH042020242026-04-22. Other. ELECTRICAL SYSTEM. Owner Notification Letter - The software update includes several system improvements designed to enhance the functionality of certain vehicle features. These enhancements may include updates related to braking, driver seat movement, virtual key card operation, adaptive cruise control, and active cabin ventilation.
APOC041720269012026-04-22. Other. ELECTRICAL SYSTEM. Dealer Message -American Honda is requesting parts in support of a quality investigation related to Rear View Camera part number 86583111. All dealers that have inventory of Rear View Camera part number 86583111 are asked to inspect current inventory and return parts meeting the described return criteria to American Honda.
A25-0282026-03-24. Service bulletin. VISIBILITY/WIPER. Service Bulletin - A whistle noise may be present within the HVAC system when switching from cabin heat to full cooling (A/C on). While driving, the heat may begin to blow cold air and the blower speed may drop intermittently due to possible faulty air conditioner condenser check valve or improperly formed A/C line at the mating surface of the condenser check valve.
A25-0282026-03-16. Service bulletin. VISIBILITY/WIPER. Service Bulletin - A whistle noise may be present within the HVAC system when switching from cabin heat to full cooling (A/C on). While driving, the heat may begin to blow cold air and the blower speed may drop intermittently.
A25-0282026-03-03. Service bulletin. VISIBILITY/WIPER. Service Bulletin - A whistle noise may be present within the HVAC system when switching from cabin heat to full cooling (A/C on). While driving, the heat may begin to blow cold air and the blower speed may drop intermittently. Possible DTC codes P0530 (Air Conditioning Refrigerant Pressure Sensor Circuit) and P0534 (Air Conditioning Refrigerant Charge Low) may be set.
ATS300702026-01-05. Service bulletin. STEERING. Tech Line Summary - Customers may complain of a clicking or ratcheting type noise when turning.
A25-0812025-10-14. Service bulletin. BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING; ELECTRICAL SYSTEM; SEATS; VISIBILITY/WIPER; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. Service Bulletin - Vehicle-Wide Programming (VWP), also known as SPS3-VWP, is a feature within Techline Connect (TLC) to update all applicable control module software at the same time. When initiated, all applicable updates are done in parallel, instead of the conventional individual control module update. Customers may have complaints or concerns that may get resolved by doing this software update.
A25-0822025-10-14. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES; BACK OVER PREVENTION: WARNINGS. Service Bulletin - Vehicle-Wide Programming (VWP), also known as SPS3-VWP, is a feature within Techline Connect (TLC) to update all applicable control module software at the same time. When initiated, all applicable updates are done in parallel, instead of the conventional individual control module update. Customers may have complaints or concerns that may get resolved by doing this software update.
A25-0512025-08-08. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - An update to A11 Radio Control Module software to address known issues.
A25-0282025-07-09. Service bulletin. VISIBILITY/WIPER. Service Bulletin - A whistle noise may be present within the HVAC system when switching from cabin heat to full cooling (A/C on). While driving, the heat may begin to blow cold air and the blower speed may drop intermittently. Possible DTC codes P0530 (Air Conditioning Refrigerant Pressure Sensor Circuit) and P0534 (Air Conditioning Refrigerant Charge Low) may be set.
A25-0282025-07-02. Service bulletin. VISIBILITY/WIPER. Service Bulletin - A whistle noise may be present within the HVAC system when switching from cabin heat to full cooling (A/C on) due to a potential faulty air conditioner condenser check valve or improperly formed A/C line at the mating surface of the condenser check valve.
A25-0512025-07-02. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - The A11 Radio Control Module requires an update due to various electronic issues.
ONL6UP060320252025-07-01. Other. ENGINE. Owner Notification Letter - During manufacturing, improperly sized bolts may have been used to install the motor mount on the front electric drive transmission module. Improper bolts may cause damage to the drive unit case resulting in an oil leak.
A25-0432025-06-05. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - A Malfunction Indicator Lamp (MIL) may illuminate, or a “Service High Voltage” message may appear. Additionally, the 12-volt battery may intermittently or persistently discharge due to an internal Battery Energy Control Module (BECM) calibration anomaly causing the setting of specific DTCs related to battery performance and communication.
A25-0132025-06-05. Service bulletin. POWER TRAIN. Service Bulletin - During manufacturing, improperly sized bolts may have been used to install the motor mount on the front electric drive transmission module. Improper bolts may cause damage to the drive unit case resulting in an oil leak.
AEBM042520259012025-05-06. Other. POWER TRAIN. Dealer Message - During manufacturing, improperly sized bolts may have been used to install the motor mount on the front electric drive transmission module. Improper bolts may cause damage to the drive unit case resulting in an oil leak.
A25-0282025-04-03. Service bulletin. VISIBILITY/WIPER. Service Bulletin - A whistle noise may be present within the HVAC system when switching from cabin heat to full cooling (A/C on). While driving, the heat may begin to blow cold air and the blower speed may drop intermittently. Possible DTC codes P0530 (Air Conditioning Refrigerant Pressure Sensor Circuit) and P0534 (Air Conditioning Refrigerant Charge Low) may be set.
A25-0262025-03-19. Service bulletin. VISIBILITY/WIPER. Service Bulletin - Due to software issue, customers may experience intermittent loss of heating or cooling in the cabin and may display a "Service High Voltage" message and DTC B2BAA.
A25-0212025-03-05. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - When switching to Sirius XM media source, the center display screen could freeze. The screen will remain frozen with a “Loading” message displayed.
A24-1002024-09-03. Service bulletin. STRUCTURE:BODY. Service Bulletin - The sunroof/sunshade motor initialization procedure in Service Information is incorrect.
A24-1002024-07-02. Service bulletin. STRUCTURE:BODY. Service Bulletin - The sunroof/sunshade motor initialization procedure in Service Information is incorrect. Use the revised procedure outlined in this service bulletin.

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