# Service bulletin A19\-051

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.

- Type: Service bulletin
- NHTSA id: 10159788
- Published by NHTSA: 2019\-05\-15
- Manufacturer's number: A19\-051
- Manufacturer's date: 2019\-05\-08
- NHTSA component: FORWARD COLLISION AVOIDANCE; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10159788-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10159788-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Driver assistance, Adaptive cruise control

## Vehicles listed

- 2018 to 2019 HONDA ACCORD

## Other bulletins for the same vehicles and component

- [ONL6UV09092026](/bulletins/11037300.md), 2026-09-12, Other: LANE DEPARTURE: ASSIST; FORWARD COLLISION AVOIDANCE: WARNINGS; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. 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\-091](/bulletins/11035781.md), 2026-08-05, Service bulletin: LANE DEPARTURE: WARNING; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; FORWARD COLLISION AVOIDANCE: WARNINGS. 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 \(RDM\).
- [AEBM07242026901](/bulletins/11035777.md), 2026-08-05, Other: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; FORWARD COLLISION AVOIDANCE: WARNINGS. Dealer Message \- Due to software programming issues of the Advanced Driver Assistance System \(ADAS\), unexpected vehicle deceleration may occur.
- [A21080A](/bulletins/10244299.md), 2023-10-25, Service bulletin: VEHICLE SPEED CONTROL; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. 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.

JSON: [/v1/bulletins/10159788](/v1/bulletins/10159788)

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