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Service bulletins for the 2020 Honda Civic

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.

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

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Only bulletins with component: Driver assistance are shown. Show all

Bulletins, newest first
A21080A2023-10-25. 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.
A21080A2021-09-02. Service bulletin. FORWARD COLLISION AVOIDANCE. "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. FORWARD COLLISION AVOIDANCE; ELECTRICAL SYSTEM. Service Bulletin - The ACC system error message comes on while driving when outside temperatures are low/near freezing.
APaS033020219012021-04-05. Service bulletin. BACK OVER PREVENTION. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 Civics with a customer complaint of the rear view camera screen appearing blank, foggy or blurry. 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.
APaS031020219022021-03-16. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 Civics with a customer complaint of the rear view camera screen appearing blank, foggy or blurry. 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.
APaS021520219022021-02-26. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; BACK OVER PREVENTION; ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 Civics with a customer complaint of the rear view camera screen appearing blank, foggy or blurry. 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.
APaS012220219052021-01-30. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 Civics with a customer complaint of the rear view camera screen appearing blank, foggy or blurry. 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.
APaS120520209062020-12-09. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; BACK OVER PREVENTION; EQUIPMENT ADAPTIVE/MOBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 Civics with a customer complaint of the rear view camera screen appearing blank, foggy or blurry. 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.
APaS110420209062020-11-11. Service bulletin. BACK OVER PREVENTION. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 Civics with a customer complaint of the rear view camera screen appearing blank, foggy or blurry. 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.
APaS101620209062020-10-21. Service bulletin. ELECTRICAL SYSTEM:ADAS:VIDEO MONITOR/SCREEN; BACK OVER PREVENTION; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 Civics with a customer complaint of the rear view camera screen appearing blank, foggy or blurry. 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.
APaS092820209072020-10-03. Service bulletin. BACK OVER PREVENTION; EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 Civics with a customer complaint of the rear view camera screen appearing blank, foggy or blurry. 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.
A20090C2020-09-22. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM:ADAS; SERVICE BRAKES, HYDRAULIC; FORWARD COLLISION AVOIDANCE. ServiceNews Article - Resting your foot on the brake pedal while driving can cause the ACC, Collision Mitigation Braking System, and Road Departure Mitigation indicators to come on. It also sets DTC C0041-14 (brake switch signal circuit error).
APaS091020209072020-09-16. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 Civics with a customer complaint of the rear view camera screen appearing blank, foggy or blurry. 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.
APaS082420209062020-09-04. Service bulletin. BACK OVER PREVENTION; EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 Civics with a customer complaint of the rear view camera screen appearing blank, foggy or blurry. 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.
APaS080720209082020-08-14. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 Civics with a customer complaint of the rear view camera screen appearing blank, foggy or blurry. 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.
ABOM041620209012020-05-05. Service bulletin. FORWARD COLLISION AVOIDANCE; ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL. 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. ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE; VEHICLE SPEED CONTROL. "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. FORWARD COLLISION AVOIDANCE; SERVICE BRAKES, HYDRAULIC; VEHICLE SPEED CONTROL. 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.
APaS022020209012020-02-25. Service bulletin. SERVICE BRAKES, HYDRAULIC; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. 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. FORWARD COLLISION AVOIDANCE; VEHICLE SPEED CONTROL; SERVICE BRAKES, HYDRAULIC. 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. VEHICLE SPEED CONTROL; SERVICE BRAKES, HYDRAULIC; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. 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 summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.