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Service bulletins for the 2020 Honda Insight

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.

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

By type

By component

By trouble code

Bulletins, newest first
A21-0852021-11-16. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin - In February of 2022, the 3G network will no longer support the in-vehicle services that the vehicle has previously supported. The Telematics Control Unit (TCU) using the Over the Air (OTA) update is required to connect to the VoLTE network to continue communications.
A21100B2021-10-28. Service bulletin. SEATS; AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT; AIR BAGS. ServiceNews Article - There are several possible causes for the SRS DTC U3000-49 (Internal Failure of the SRS Unit) to be stored. If you can duplicate the DTC, the troubleshooting will take you through the step-by-step process in isolating the faulty component. In most situations, the SRS Unit should be last on the list of components to replace. Here is a quick tip for troubleshooting a faulty seat weight sensor.
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.
ONLZ9W070620212021-07-21. Service bulletin. VISIBILITY. Owner Notification Letter - On some 2019-21 Insight models, the A/C condenser may leak refrigerant. American Honda is extending the warranty on the A/C condenser to 10 years from the original date of purchase with unlimited miles. This warranty extension provides coverage for the original owner and any subsequent owners. No action is required on your part unless you experience a problem.
A20-0362021-06-10. Service bulletin. SUSPENSION. Service Bulletin - There is a rattling coming from the front of the vehicle.
ABOM052820212021-06-03. Service bulletin. VISIBILITY. Dealer Message - Today, May 28, 2021, American Honda is announcing a warranty extension for certain 2018-2020 Accord and Accord Hybrid, 2018-2020 Civic, 2017-2021 Civic Hatch, 2017-2021 Civic Type R, 2018-2021 Clarity PHEV, and 2019-2021 Insight vehicles. This warranty extension covers the A/C condenser to address concerns of leaking refrigerant. American Honda is extending the warranty on the A/C condenser to 10 years from the original date of purchase.
A21-0162021-06-03. Service bulletin. VISIBILITY. Service Bulletin - American Honda is extending the warranty on the A/C condenser to 10 years from the original date of purchase with unlimited miles. This warranty extension only covers vehicles that have a defective A/C condenser from the factory. The A/C condenser was not manufactured to specification. As a result, corrosion may develop in the form of tiny holes in the condenser tube walls that allow the refrigerant to leak out. This does not apply to any vehicle that has a leaking condenser due to foreign object damage. It also does not apply to any vehicle that has ever been declared a total loss or sold for salvage by a financial institution or insurer, or has a branded or similar title under any state's law.
A21010C2021-01-30. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM. ServiceNews Article - We have received information from the vendor (Alpine) that display panels are being replaced for cracks on the center display screen. When they review these parts, they're finding that an aftermarket screen protector had been installed and that the screen protector is cracked. So, if you have a center display that appears to have a cracked screen, confirm that it does not have an aftermarket screen protector installed. If installed, remove it, and then check if the center display screen itself is cracked.
A07-0302021-01-30. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. "Service Bulletin - There are several A/C leak detection tools available. -Refrigerant Gas Leak Detector -Ultrasonic Leak Detector -Leak Dye"
APaS110420209092020-11-11. Service bulletin. ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Accords & 2019-2020 Insights with a customer complaint of the Malfunction Indicator Light (MIL) on with the Body Control Module (BCM) related DTCs in active fault. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS101620209092020-10-21. Service bulletin. ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Accords & 2019-2020 Insights with a customer complaint of the Malfunction Indicator Light (MIL) on with the Body Control Module (BCM) related DTCs in active fault. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS092820209102020-10-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Accords & 2019-2020 Insights with a customer complaint of the Malfunction Indicator Light (MIL) on with the Body Control Module (BCM) related DTCs in active fault. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS091020209102020-09-16. Service bulletin. ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Accords & 2019-2020 Insights with a customer complaint of the Malfunction Indicator Light (MIL) on with the Body Control Module (BCM) related DTCs in active fault. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS082420209072020-09-04. Service bulletin. ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Accords & 2019-2020 Insights with a customer complaint of the Malfunction Indicator Light (MIL) on with the Body Control Module (BCM) related DTCs in active fault. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS080720209092020-08-14. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN:MANUAL TRANSMISSION:SHIFT PATTERN INDICATOR. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Accords & 2019-2020 Insights with a customer complaint of the Malfunction Indicator Light (MIL) on with the Body Control Module (BCM) related DTCs in active fault. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS072120209072020-07-28. Service bulletin. ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Accords & 2019-2020 Insights with a customer complaint of the Malfunction Indicator Light (MIL) on with the Body Control Module (BCM) related DTCs in active fault. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS070620209102020-07-16. Service bulletin. EQUIPMENT:ELECTRICAL; ENGINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2020 Accords & 2019-2020 Insights with a customer complaint of the Malfunction Indicator Light (MIL) on with the Body Control Module (BCM) related DTCs in active fault. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS063020202020-07-02. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2020 Accords & 2019-2020 Insights with a customer complaint of the Malfunction Indicator Light (MIL) on with the Body Control Module (BCM) related DTCs in active fault. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
AMV2005022020-05-19. Service bulletin. EQUIPMENT. Video Message - It concerns how to replace a leaky front rocker arm oil control valve. Due to a deteriorated lower gasket or an out-of-spec gasket groove, the front rocker arm oil control valve can leak in certain V6 models with variable cylinder management. To fix this issue service bulletin A20-023 was posted. Please let us know if you would like a copy of the video sent to you on a DVD or thumb drive.
AMV2005012020-05-19. Service bulletin. EQUIPMENT. Video Message - It concerns how to replace a leaky front rocker arm oil control valve. Due to a deteriorated lower gasket or an out-of-spec gasket groove, the front rocker arm oil control valve can leak in certain V6 models with variable cylinder management. To fix this issue service bulletin A20-023 was posted. Please let us know if you would like a copy of the video sent to you on a DVD or thumb drive.
APaS030320209062020-03-11. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2020 Accords & 2019-2020 Insights with a customer complaint of the Malfunction Indicator Light (MIL) on with the Body Control Module (BCM) related DTCs in active fault. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS021320209082020-02-19. Service bulletin. ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2020 Accords & 2019-2020 Insights with a customer complaint of the Malfunction Indicator Light (MIL) on with the Body Control Module (BCM) related DTCs in active fault. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS012820209012020-02-05. Service bulletin. ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2020 Accords & 2019-2020 Insights with a customer complaint of the Malfunction Indicator Light (MIL) on with the Body Control Module (BCM) related DTCs in active fault. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
A19070D2020-01-08. Service bulletin. ELECTRICAL SYSTEM. ServiceNews Article - Are you hearing a booming or rumbling through the speakers? If you get a vehicle in for this, remove the covers in the headliner for the ANC microphones and check if the insulating foam is damaged or folded over as shown below. We've found this may be the reason for the noise.

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