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Service bulletin APaS04072020903

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 id10173881
Published by NHTSA2020-04-16
Manufacturer's numberAPaS04072020903
Manufacturer's date2020-04-07
NHTSA componentVEHICLE SPEED CONTROL

NHTSA's summary

Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019-2020 Civics with a customer complaint of the Adaptive Cruise Control (ACC) not working or a clicking noise when the brake pedal is depressed. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind.

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

Throttle and cruise control

Vehicles listed
HONDA CIVIC2019, 2020

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

Other bulletins for the same vehicles and component
A21-0682023-11-01. Service bulletin. Service Bulletin - The ACC system error message comes on while driving when outside temperatures are low/near freezing due to snow and ice getting stuck to the front of the millimeter wave radar. This can cause DTC P2583-76 (Temporary stop of Integrated Driver Support System [Misalignment Millimeter Wave Radar]) to be stored.
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.
ABOM041620209012020-05-05. Service bulletin. Dealer message - During production, the latest software version for the ACC/CMBS (adaptive cruise control/collision mitigation braking system), which is part of the VSA-modulator control unit, was not installed in the vehicle. Vehicles without the latest software may be unable to maintain speed after setting the ACC.
A20-0322020-05-05. Service bulletin. "Service bulletin - During production, the latest software version for the ACC/CMBS (adaptive cruise control/collision mitigation braking system), which is part of the VSA-modulator control unit, was not installed in the vehicle. Vehicles without the latest software may be unable to maintain speed after setting the ACC."
APaS031920209032020-03-30. Service bulletin. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019-2020 Civics with a customer complaint of the Adaptive Cruise Control (ACC) not working or a clicking noise when the brake pedal is depressed. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind.
APaS013120209012020-02-05. Service bulletin. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019-2020 Civics with a customer complaint of the Adaptive Cruise Control (ACC) not working or a clicking noise when the brake pedal is depressed. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind.
APaS011620209012020-01-23. Service bulletin. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019-2020 Civics with a customer complaint of the Adaptive Cruise Control (ACC) not working or a clicking noise when the brake pedal is depressed. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind.