Honda Civic Service Bulletins (2021)
79 manufacturer communications on file.
- September 25, 2026•Document ID: 11037693Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- A26-008
- Date Added:
- October 1, 2026
- Manufacturer:
- HONDA
SummaryService Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, and/or misfire. In some cases, DTCs P0300 through P0304 may also be stored (DTCs are not required for repair).
Associated Products (6)Associated Documents - September 25, 2026•Document ID: 11037695Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- A26-009
- Date Added:
- October 1, 2026
- Manufacturer:
- HONDA
SummaryService Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, and/or misfire. In some cases, DTCs P0300 through P0304 may also be stored (DTCs are not required for repair).
Associated Products (9)Associated Documents - August 26, 2026•Document ID: 11036424OtherENGINE
- Mfr Comm. #:
- AEBM08262026901
- Date Added:
- August 27, 2026
- Manufacturer:
- HONDA
SummaryDealer Message - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire, and/or DTCs P0300 through P0304 stored.
Associated Products (30)2026 Honda Accord2026 Honda Civic2026 Honda CR-V2025 Honda Accord2025 Honda Civic2025 Honda CR-V2024 Honda Accord2024 Honda Civic2024 Honda CR-V2023 Honda Accord2023 Honda Civic2023 Honda CR-V2022 Honda Accord2022 Honda Civic2022 Honda CR-V2021 Honda Accord2021 Honda Civic2021 Honda CR-V2020 Honda Accord2020 Honda Civic+ 10 moreAssociated Documents - August 26, 2026•Document ID: 11036408Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- A26-009
- Date Added:
- August 27, 2026
- Manufacturer:
- HONDA
SummaryService Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire and/or DTCs P0300 thru P0304 stored.
Associated Products (9)Associated Documents - August 26, 2026•Document ID: 11036407Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- A26-008
- Date Added:
- August 27, 2026
- Manufacturer:
- HONDA
SummaryService Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire and/or DTCs P0300 thru P0304 stored.
Associated Products (6)Associated Documents - July 29, 2025•Document ID: 11021745Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- A25-076
- Date Added:
- August 8, 2025
- Manufacturer:
- HONDA
SummaryService Bulletin - Oil leak at timing chain tensioner inspection cover due to possible insufficient sealant adhesion on inspection cover.
Associated Products (11)Associated Documents - December 3, 2024•Document ID: 11011792OtherENGINE
- Mfr Comm. #:
- ATI&12022024909
- Date Added:
- December 12, 2024
- Manufacturer:
- HONDA
SummaryDealer 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 complaint of Check Engine Light (CEL) on with DTC P0420 [Catalyst System Efficiency Below Threshold] stored. To better understand the cause of this condition, AHM would like to specific parts from the vehicle prior to you attempting a repair of any kind.
Associated Products (14)Associated Documents - November 5, 2024•Document ID: 11010549OtherENGINE
- Mfr Comm. #:
- ATI&11052024902
- Date Added:
- November 14, 2024
- Manufacturer:
- HONDA
SummaryDealer 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 complaint of Check Engine Light (CEL) on with DTC P0420 [Catalyst System Effciency Below Threshold] stored. To better understand the cause of this condition, AHM would like to specific parts from the vehicle prior to you attempting a repair of any kind.
Associated Products (14)Associated Documents - September 12, 2024•Document ID: 11007887OtherELECTRICAL SYSTEM
- Mfr Comm. #:
- ATI&09122024904
- Date Added:
- September 18, 2024
- Manufacturer:
- HONDA
SummaryDealer 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 center display flickering, flashing, or frozen (Civics and CR-Vs only). To better understand the cause of this condition, AHM would like to collect information from the vehicle prior to you attempting a repair of any kind.
Associated Products (9)Associated Documents - August 8, 2024•Document ID: 11006244OtherELECTRICAL SYSTEM
- Mfr Comm. #:
- ATI&08072024901
- Date Added:
- August 13, 2024
- Manufacturer:
- HONDA
SummaryDealer 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 center display flickering, flashing, or frozen (Civics and CR-Vs only). To better understand the cause of this condition, AHM would like to collect information from the vehicle prior to you attempting a repair of any kind.
Associated Products (9)Associated Documents - July 24, 2024•Document ID: 11005269OtherELECTRICAL SYSTEM
- Mfr Comm. #:
- ATI&07232024904
- Date Added:
- July 26, 2024
- Manufacturer:
- HONDA
SummaryDealer 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 center display flickering, flashing, or frozen (Civics and CR-Vs only). To better understand the cause of this condition, AHM would like to collect information from the vehicle prior to you attempting a repair of any kind.
Associated Products (9)Associated Documents - July 9, 2024•Document ID: 11004269OtherELECTRICAL SYSTEM
- Mfr Comm. #:
- ATI&07082024906
- Date Added:
- July 11, 2024
- Manufacturer:
- HONDA
SummaryDealer 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 center display flickering, flashing, or frozen (Civics and CR-Vs only). To better understand the cause of this condition, AHM would like to collect information from the vehicle prior to you attempting a repair of any kind.
Associated Products (9)Associated Documents - June 19, 2024•Document ID: 11002705Service Bulletin/Repair InstructionsVISIBILITY/WIPER
- Mfr Comm. #:
- A19-091
- Date Added:
- July 1, 2024
- Manufacturer:
- HONDA
SummaryService 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.
Associated Products (6)Associated Documents - June 19, 2024•Document ID: 11002711Service Bulletin/Repair InstructionsVISIBILITY/WIPER
- Mfr Comm. #:
- A23-039
- Date Added:
- July 1, 2024
- Manufacturer:
- HONDA
SummaryService 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 warranty on the A/C compressor shaft seal from the original 3 years to 10 years from the original date of purchase, with no mileage limitation. The new refrigerant and oil may cause swelling of the compressor shaft seal. The swelling may lead to abnormal wearing of the seal which may increase seal gaps around the compressor shaft allowing refrigerant to leak out.
Associated Products (11)Associated Documents - May 31, 2024•Document ID: 11000713OtherELECTRICAL SYSTEM
- Mfr Comm. #:
- ATI&05312024902
- Date Added:
- June 3, 2024
- Manufacturer:
- HONDA
SummaryDealer 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 center display flickering, flashing, or frozen (Civics and CR-Vs only). To better understand the cause of this condition, AHM would like to collect information from the vehicle prior to you attempting a repair of any kind.
Associated Products (9)Associated Documents - May 18, 2024•Document ID: 11000281OtherELECTRICAL SYSTEM
- Mfr Comm. #:
- ATI&05172024908
- Date Added:
- May 22, 2024
- Manufacturer:
- HONDA
SummaryDealer 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 center display flickering, flashing, or frozen (Civics and CR-Vs only). To better understand the cause of this condition, AHM would like to collect information from the vehicle prior to you attempting a repair of any kind.
Associated Products (9)Associated Documents - May 3, 2024•Document ID: 11000133OtherELECTRICAL SYSTEM
- Mfr Comm. #:
- ATI&05032024906
- Date Added:
- May 15, 2024
- Manufacturer:
- HONDA
SummaryDealer 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 center display flickering, flashing, or frozen (Civics and CR-Vs only). To better understand the cause of this condition, AHM would like to collect information from the vehicle prior to you attempting a repair of any kind.
Associated Products (9)Associated Documents - April 15, 2024•Document ID: 10253304Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- ATI&04152024904
- Date Added:
- April 17, 2024
- Manufacturer:
- HONDA
SummaryDealer 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 center display flickering, flashing, or frozen (Civics and CR-Vs only). To better understand the cause of this condition, AHM would like to collect information from the vehicle prior to you attempting a repair of any kind.
Associated Products (9)Associated Documents - March 25, 2024•Document ID: 10252474Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- ATI&03252024906
- Date Added:
- April 3, 2024
- Manufacturer:
- HONDA
SummaryDealer 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 center display flickering, flashing, or frozen (Civics and CR-Vs only). To better understand the cause of this condition, AHM would like to collect information from the vehicle prior to you attempting a repair of any kind.
Associated Products (9)Associated Documents - March 21, 2024•Document ID: 10252082Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- ATI&03212024910
- Date Added:
- March 26, 2024
- Manufacturer:
- HONDA
SummaryDealer 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, flashing, or frozen. To better understand the cause of this condition, AHM would like to collect information from the vehicle prior to you attempting a repair of any kind.
Associated Products (5)Associated Documents