WenmarOpen by Wenmar Pro

Service bulletin A26-091 v1

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 id11035885
Published by NHTSA2026-08-05
Manufacturer's numberA26-091 v1
Manufacturer's date2026-07-24
NHTSA componentFORWARD COLLISION AVOIDANCE: WARNINGS

NHTSA's summary

Service Bulletin - American Honda has identified a condition that may affect Collision Mitigation Braking System (CMBS) operation. Due to software programming issues of the Advanced Driver Assistance System (ADAS), unexpected vehicle deceleration may occur.

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

Driver assistance

Vehicles listed
HONDA ACCORD2018, 2019, 2020
HONDA ACCORD HYBRID2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it)
HONDA CR-V2017, 2018, 2019

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

Recalls for the same vehicles and component
20V7710002020-12-10. ELECTRICAL SYSTEM:BODY CONTROL MODULE:SOFTWARE; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; VISIBILITY/WIPER; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; EXTERIOR LIGHTING
18V6290002018-09-13. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; VISIBILITY:REARVIEW MIRRORS/DEVICES

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
ONL6UV090920262026-09-12. Other. Owner Notification Letter - Honda has developed software updates to the Honda Sensing system to enhance driver experience by modifying the circumstances when the advanced driver assist system (ADAS) decelerates the vehicle or the extent of deceleration. The software covers Adaptive Cruise Control (ACC), Collision Mitigation Braking System (CMBS), and Road Departure Mitigation (RDM).
A26-0912026-08-05. Service bulletin. Service Bulletin - Honda has developed software updates to the Honda Sensing system to enhance driver experience by modifying the circumstances when the advanced driver assist system (ADAS) decelerates the vehicle or the extent of deceleration. The software covers Adaptive Cruise Control (ACC), Collision Mitigation Braking System (CMBS), and Road Departure Mitigation (RDM).
AEBM072420269012026-08-05. Other. Dealer Message - Due to software programming issues of the Advanced Driver Assistance System (ADAS), unexpected vehicle deceleration may occur.
A21080A2023-10-25. Service bulletin. Service News - If an Adaptive Cruise Control System Problem comes back on when the vehicle is driven in freezing conditions, inform the customer it is likely due to snow or ice buildup on the radar. Advise the customer of the following procedure to clean the front grille where the radar is located.
A21080A2021-09-02. Service bulletin. "ServiceNews Article - When returning the vehicle to the client, inform them that if the message Adaptive Cruise Control System Problem comes back on when the vehicle is driven in freezing conditions, it is likely because of snow or ice buildup on the radar. Advise the client of the following procedure to clean the front grille where the radar is located."
A21-0682021-09-02. Service bulletin. Service Bulletin - The ACC system error message comes on while driving when outside temperatures are low/near freezing.
A19-0512019-05-15. Service bulletin. Service Bulletin - The adaptive cruise control (ACC) turns off unexpectedly while it is in use, and the Collision Mitigation Braking System problem. See Your Dealer. message appears on the MID.
A18-1172018-10-22. Service bulletin. Servicenews article - Have you replaced the BSI radar unit and see these DTC's? ? B18DA (L/S different s/w version from right) ? B1EDA (R/S different s/w version from left)
APaS040620189012018-04-23. Service bulletin. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2017-2018 CR-Vs with a customer complaint of various warning lights such as the brake system, lane departure, ACC & forward collision warning illuminated on the dash with the DTC P2583-76 (Temporary stop of Integrated Driver System ? Misalignment Millimeter Wave Radar) stored. To fully 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 except to confirm conditions stated in the Qualifiers below before calling TRS.
APaS032020189022018-04-16. Service bulletin. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2017-2018 CR-Vs with a customer complaint of various warning lights such as the brake system, lane departure, ACC & forward collision warning illuminated on the dash with the DTC P2583-76 (Temporary stop of Integrated Driver System ? Misalignment Millimeter Wave Radar) stored. To fully 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 except to confirm conditions stated in the Qualifiers below before calling TRS.