2021 Honda Civic service bulletins & manufacturer communications
73 manufacturer communications are on file with NHTSA for the 2021 Honda Civic. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.
Technical service bulletin 73
- Service Bulletin - Oil leak at timing chain tensioner inspection cover due to possible insufficient sealant adhesion on inspection cover.A25-076 · Technical service bulletin · Engine · issued Jul 29, 2025
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2024 Accord 1.5Ls, 2021-2024 Civics 1.5Ls, 2023-2024 CR-Vs 1.5Ls, and 2017 Fits with customer co…ATI&12022024909 · Technical service bulletin · Engine · issued Dec 3, 2024
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2024 Accord 1.5Ls, 2021-2024 Civics 1.5Ls, 2023-2024 CR-Vs 1.5Ls, and 2017 Fits with customer co…ATI&11052024902 · Technical service bulletin · Engine · issued Nov 5, 2024
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics, 2020-2022 CR-Vs, 2022-2023 Pilots & Passports with a customer complaint of the cent…ATI&09122024904 · Technical service bulletin · Electrical System · issued Sep 12, 2024
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics, 2020-2022 CR-Vs, 2022-2023 Pilots & Passports with a customer complaint of the cent…ATI&08072024901 · Technical service bulletin · Electrical System · issued Aug 8, 2024
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics, 2020-2022 CR-Vs, 2022-2023 Pilots & Passports with a customer complaint of the cent…ATI&07232024904 · Technical service bulletin · Electrical System · issued Jul 24, 2024
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics, 2020-2022 CR-Vs, 2022-2023 Pilots & Passports with a customer complaint of the cent…ATI&07082024906 · Technical service bulletin · Electrical System · issued Jul 9, 2024
- Service Bulletin - Due to a new North America regulation which introduces a new refrigerant and oil requirement, the compressor shaft seal may leak. American Honda is extending the…A23-039 · Technical service bulletin · Visibility/wiper · issued Jun 19, 2024
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics, 2020-2022 CR-Vs, 2022-2023 Pilots & Passports with a customer complaint of the cent…ATI&05312024902 · Technical service bulletin · Electrical System · issued May 31, 2024
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics, 2020-2022 CR-Vs, 2022-2023 Pilots & Passports with a customer complaint of the cent…ATI&05172024908 · Technical service bulletin · Electrical System · issued May 18, 2024
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics, 2020-2022 CR-Vs, 2022-2023 Pilots & Passports with a customer complaint of the cent…ATI&05032024906 · Technical service bulletin · Electrical System · issued May 3, 2024
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics, 2020-2022 CR-Vs, 2022-2023 Pilots & Passports with a customer complaint of the cent…ATI&04152024904 · Technical service bulletin · Electrical System · issued Apr 15, 2024
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics, 2020-2022 CR-Vs, 2022-2023 Pilots & Passports with a customer complaint of the cent…ATI&03252024906 · Technical service bulletin · Electrical System · issued Mar 25, 2024
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics & 2020-2022 CR-Vs with a customer complaint of the center display flickering, flashi…ATI&03212024910 · Technical service bulletin · Electrical System · issued Mar 21, 2024
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics & 2020-2022 CR-Vs with a customer complaint of the center display flickering, flashi…ATI&02292024906 · Technical service bulletin · Equipment · issued Feb 29, 2024
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics & 2020-2022 CR-Vs with a customer complaint of the center display flickering, flashi…ATI&02152024901 · Technical service bulletin · Electrical System · issued Feb 15, 2024
- Service Bulletin - Due to a new North America regulation which introduces a new refrigerant and oil requirement, the compressor shaft seal may leak. American Honda is extending the…A23-039 · Technical service bulletin · Visibility · issued Jan 24, 2024
- 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 millime…A21-068 · Technical service bulletin · Vehicle Speed Control · issued Oct 25, 2023
- 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 bui…A21080A · Technical service bulletin · Vehicle Speed Control · issued Oct 17, 2023
- Service Bulletin - Due to a new North America regulation which introduces a new refrigerant and oil requirement the compressor shaft seal may leak. American Honda is extending the …A23-039 · Technical service bulletin · Visibility · issued Sep 28, 2023
- Service Bulletin - Due to a new North America regulation which introduces a new refrigerant and oil requirement the compressor shaft seal may leak. American Honda is extending the …A23-039 · Technical service bulletin · Visibility · issued Jun 15, 2023
- Owner Notification Letter - Due to a new North America regulation that introduced a new refrigerant and oil requirement, the compressor shaft seal may leak. The new refrigerant and…ONL6A506122023 · Technical service bulletin · Visibility · issued Jun 12, 2023
- Service Bulletin - Due to a new North America regulation which introduces a new refrigerant and oil requirement the compressor shaft seal may leak. American Honda is extending the …A23-039 · Technical service bulletin · Visibility · issued May 19, 2023
- Dealer Message - Due to supplier process concerns, the A/C compressor may not have been manufactured to specifications. As a result, abnormal wearing of the rubber seal may occur c…ABOM05192023901 · Technical service bulletin · Visibility · issued May 19, 2023
- Dealer Message - We have identified a potential concern with GUIDE, AC COMP SEAL 07AAG-5AAA100, which was a part of 6CVC SEAL REPLACEMENT KIT, 07AAC-5AAA1Z0 that was recently sent …AST&04252023901 · Technical service bulletin · Visibility · issued Apr 25, 2023
- Service Bulletin - Customers have complained of the air conditioning system not blowing cold air due to the oil/refrigerant leak from the A/C compressor main shaft seal.A23-012 · Technical service bulletin · Visibility · issued Apr 5, 2023
- Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 Accords, CR-Vs, Odysseys, Passports, Pilots, Ridgelines, 2020 Fits, 2020-2021 Civic Hatchba…ATI&03282023902 · Technical service bulletin · Fuel System, Gasoline · issued Mar 28, 2023
- Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 Accords, CR-Vs, Odysseys, Passports, Pilots, Ridgelines, 2020 Fits, 2020-2021 Civic Hatchba…ATI&03132023905 · Technical service bulletin · Fuel System, Gasoline · issued Mar 13, 2023
- Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 Accords, CR-Vs, Odysseys, Passports, Pilots, Ridgelines, 2020 Fits, 2020-2021 Civic Hatchba…ATI&01032023907 · Technical service bulletin · Electrical System · issued Jan 3, 2023
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 Civics & CR-Vs with a customer complaint of a inop, blank, or black meter display (gauge cl…ATI&01032023901 · Technical service bulletin · Electrical System · issued Jan 3, 2023
- Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2021 Accord 2.0Ls & Civic 2.0Ls with a customer complaint of an oil leak or a dealer technician …ATI&12132022906 · Technical service bulletin · Engine and Engine Cooling · issued Dec 13, 2022
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 Civics & CR-Vs with a customer complaint of an inop, blank, or black meter display (gauge c…ATI&12132022904 · Technical service bulletin · Electrical System · issued Dec 13, 2022
- Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2021 Accord 2.0Ls & Civic 2.0Ls with a customer complaint of an oil leak or a dealer technician …ATI&11282022905 · Technical service bulletin · Engine and Engine Cooling · issued Nov 28, 2022
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 Civics & CR-Vs with a customer complaint of a inop, blank, or black meter display (gauge cl…ATI&11282022901 · Technical service bulletin · Electrical System · issued Nov 28, 2022
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 Civics & CR-Vs with a customer complaint of a inop, blank, or black meter display (gauge cl…APaS11082022901 · Technical service bulletin · Electrical System · issued Nov 8, 2022
- Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2021 Accord 2.0Ls & Civic 2.0Ls with a customer complaint of an oil leak or a dealer technician …ATI&11072022902 · Technical service bulletin · Engine and Engine Cooling · issued Nov 7, 2022
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 Civics & CR-Vs with a customer complaint of a inop, blank, or black meter display (gauge cl…APaS11022022902 · Technical service bulletin · Electrical System · issued Nov 2, 2022
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 Civics & CR-Vs with a customer complaint of a inop, blank, or black meter display (gauge cl…APaS10242022905 · Technical service bulletin · Electrical System · issued Oct 24, 2022
- Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2021 Accord 2.0Ls & Civic 2.0Ls with a customer complaint of an oil leak or a dealer technician …ATI&10212022901 · Technical service bulletin · Engine and Engine Cooling · issued Oct 21, 2022
- Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2021 Accord 2.0Ls & Civic 2.0Ls with a customer complaint of an oil leak or a dealer technician …ATI&10062022904 · Technical service bulletin · Engine and Engine Cooling · issued Oct 6, 2022
- Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 Civics & CR-Vs with a customer complaint of a inop, blank, or black meter display (gauge cl…APaS09272022903 · Technical service bulletin · Electrical System · issued Sep 27, 2022
- Service bulletin - Customer complains that the manual transmission will not shift, the clutch is slipping, or the vehicle wonà ¢à  à  t move when in gear. Due to supplier produc…A22-017 · Technical service bulletin · Power Train · issued Sep 5, 2022
- Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 Civics & CR-Vs with a customer complaint of a inop, blank, or black meter display (gauge cl…APaS08222022901 · Technical service bulletin · Electrical System · issued Aug 22, 2022
- Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 Civics & CR-Vs with a customer complaint of a inop, blank, or black meter display with no p…APaS07272022901 · Technical service bulletin · Electrical System · issued Jul 27, 2022
- 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 understan…ATI&07262022902 · Technical service bulletin · Engine and Engine Cooling · issued Jul 26, 2022
- 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 understan…ATI&07112022903 · Technical service bulletin · Engine and Engine Cooling · issued Jul 11, 2022
- 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 understan…ATI&06222022901 · Technical service bulletin · Equipment · issued Jun 22, 2022
- Service bulletin - There is a rattling coming from the front of the vehicle. The rubber damper cap(s) are faulty.A20-036 · Technical service bulletin · Suspension · issued May 1, 2022
- 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 …A21100B · Technical service bulletin · Air Bags · issued Jan 29, 2022
- 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 …A21100B · Technical service bulletin · Seats · issued Jan 4, 2022
- 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 …ATI&10052021904 · Technical service bulletin · Service Brakes, Hydraulic · issued Oct 5, 2021
- 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 …ATI&09102021905 · Technical service bulletin · Service Brakes, Hydraulic · issued Sep 10, 2021
- 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…ATI&09072021901 · Technical service bulletin · Electrical System · issued Sep 7, 2021
- "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 …A21080A · Technical service bulletin · Forward Collision Avoidance · issued Aug 31, 2021
- Service Bulletin - The ACC system error message comes on while driving when outside temperatures are low/near freezing.A21-068 · Technical service bulletin · Electrical System · issued Aug 31, 2021
- 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 …ATI&08252021905 · Technical service bulletin · Service Brakes, Hydraulic · issued Aug 25, 2021
- 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 …ATI&08092021905 · Technical service bulletin · Equipment Adaptive/mobility · issued Aug 9, 2021
- 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 Ligh…ATI&08092021901 · Technical service bulletin · Fuel System, Gasoline · issued Aug 9, 2021
- 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 …AATS210301 · Technical service bulletin · Electrical System · issued Aug 3, 2021
- 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 …ATI&07222021904 · Technical service bulletin · Service Brakes, Hydraulic · issued Jul 22, 2021
- 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 Ligh…ATI&07202021901 · Technical service bulletin · Fuel System, Gasoline · issued Jul 20, 2021
- 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 …ATI&07072021908 · Technical service bulletin · Service Brakes, Hydraulic · issued Jul 7, 2021
- 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…ONLG5O07062021 · Technical service bulletin · Visibility · issued Jul 6, 2021
- 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 Ligh…ATI&07012021 · Technical service bulletin · Fuel System, Gasoline · issued Jul 1, 2021
- 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 …A21060B · Technical service bulletin · Electrical System · issued Jun 24, 2021
- 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 c…A19-091 · Technical service bulletin · Visibility · issued Jun 18, 2021
- 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 Ligh…ATI&06152021904 · Technical service bulletin · Fuel System, Gasoline · issued Jun 15, 2021
- 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 …ATI&06032021 · Technical service bulletin · Service Brakes · issued Jun 3, 2021
- Service Bulletin - There is a rattling coming from the front of the vehicle.A20-036 · Technical service bulletin · Suspension · issued Jun 3, 2021
- 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…ABOM05282021 · Technical service bulletin · Visibility · issued May 28, 2021
- 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 c…A19-091 · Technical service bulletin · Visibility · issued May 28, 2021
- 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 …AATS210301 · Technical service bulletin · Electrical System · issued Mar 17, 2021
- SS 1023006Â Successful Regen Reference for EPA 07 MBE 900 EnginesSS1023006 · Technical service bulletin · Engine and Engine Cooling · issued Jan 19, 2016