2021 Honda Civic Technical Service Bulletins

78 technical service bulletins (TSBs) are on record for the 2021 Honda Civic. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10216885Jul 11, 2022Engine cooling. Dealer message - American Honda (AHM) is investigating certain 2019-2022 Civic & CR-V 1.5Ts with customer complaint of oil leak from the timing chain case cover. 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.
• 10215504Jun 22, 2022Engine cooling, Equipment. Dealer message - American Honda (AHM) is investigating certain 2019-2022 Civic & CR-V 1.5Ts with customer complaint of oil leak from the timing chain case cover. 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.
• 10211075May 1, 2022Suspension. Service bulletin - There is a rattling coming from the front of the vehicle. The rubber damper cap(s) are faulty.
• 10206988Jan 29, 2022Air 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.
• 10206395Jan 4, 2022Air bags, Seats. 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.
• 10202279Oct 5, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics with a customer complaint of long brake pedal travel, almost reaching the floor. 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.
• 10201450Sep 10, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics with a customer complaint of long brake pedal travel, almost reaching the floor. 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.
• 10201443Sep 7, 2021Electrical system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2021 Civics, CR-Vs & HR-Vs with a customer complaint of the audio screen turning black, blank or inop. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10200835Aug 31, 2021Forward 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."
• 10200833Aug 31, 2021Electrical system, Forward collision avoidance. Service Bulletin - The ACC system error message comes on while driving when outside temperatures are low/near freezing.
• 10200841Aug 25, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics with a customer complaint of long brake pedal travel, almost reaching the floor. 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.
• 10200417Aug 9, 2021Equipment, Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics with a customer complaint of long brake pedal travel, almost reaching the floor. 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.
• 10200411Aug 9, 2021Electrical system, Fuel system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accord 1.5Ts, Civic Sis & CR-Vs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) or P0172 (Fuel System Too Rich) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair…
• 10200365Aug 3, 2021Electrical system. Tech Line Summary Article - If you have a customer stating their Apple iPhone 12 (all models: iPhone 12, iPhone 12 mini, iPhone 12 Pro, and iPhone 12 Pro Max) does not charge when using the wireless charger, please let them know that we are aware of these concerns and are currently looking into it. Replacing the wireless charger or using another iPhone 12 will not address the customer's concern. Please inform your…
• 10199458Jul 22, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics with a customer complaint of long brake pedal travel, almost reaching the floor. 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.
• 10199453Jul 20, 2021Fuel system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accord 1.5Ts, Civic Sis & CR-Vs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) or P0172 (Fuel System Too Rich) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair…
• 10199327Jul 7, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics with a customer complaint of long brake pedal travel, almost reaching the floor. 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.
• 10199342Jul 6, 2021Visibility (wipers, defrost, mirrors). Owner Notification Letter - On some 2016-21 Civic 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.
• 10199318Jul 1, 2021Fuel system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accord 1.5Ts, Civic Sis & CR-Vs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) or P0172 (Fuel System Too Rich) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair…
• 10198767Jun 24, 2021Electrical system. ServiceNews Article - If you have a customer stating their Apple iPhone 12 (all models: iPhone 12, iPhone 12 mini, iPhone 12 Pro, and iPhone 12 Pro Max) does not charge when using the wireless charger, let them know that we are aware of these concerns and are currently looking into it. Replacing the wireless charger or using another iPhone 12 will not address the customer's concern. Advise your customer to use a…
• 10198170Jun 18, 2021Visibility (wipers, defrost, mirrors). 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…
• 10198177Jun 15, 2021Fuel system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accord 1.5Ts, Civic Sis & CR-Vs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) or P0172 (Fuel System Too Rich) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair…
• 10196874Jun 3, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics with a customer complaint of long brake pedal travel, almost reaching the floor. 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.
• 10196761Jun 3, 2021Suspension. Service Bulletin - There is a rattling coming from the front of the vehicle.
• 10194978May 28, 2021Visibility (wipers, defrost, mirrors). 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…
• 10194916May 28, 2021Visibility (wipers, defrost, mirrors). 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…
• 10189311Mar 17, 2021Electrical system. Tech Line Summary Article - If you have a customer stating their Apple iPhone 12 (all models: iPhone 12, iPhone 12 mini, iPhone 12 Pro, and iPhone 12 Pro Max) does not charge when using the wireless charger, please let them know that we are aware of these concerns and are currently looking into it. Replacing the wireless charger or using another iPhone 12 will not address the customer's concern.
• 10197670Jan 19, 2016Engine cooling. SS 1023006Â Successful Regen Reference for EPA 07 MBE 900 Engines

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