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Technical Service Bulletins of the 2021 Honda Civic

There have been 14 technical service bulletins issued for the 2021 Honda Civic.

1 2021 Honda Civic visibility TSB (Bulletin A23-039)

Bulletin Date: Jan. 24, 2024
Component: Visibility.
Bulletin Summary: 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 warranty on the a/c compressor shaft seal from the original
Vehicles covered in this TSB:
2016 Honda Civic, 2017 Honda Civic, 2018 Honda Civic, 2019 Honda Civic, 2020 Honda Civic, 2021 Honda Civic, 2017 Honda Civic Type-r, 2018 Honda Civic Type-r, 2019 Honda Civic Type-r, 2020 Honda Civic Type-r, 2021 Honda Civic Type-r.

2 2021 Honda Civic visibility:defroster/defogger/hvac system TSB (Bulletin A23-039)

Bulletin Date: Jan. 24, 2024
Component: Visibility:defroster/defogger/hvac system.
Bulletin Summary: 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 warranty on the a/c compressor shaft seal from the original
Vehicles covered in this TSB:
2016 Honda Civic, 2017 Honda Civic, 2018 Honda Civic, 2019 Honda Civic, 2020 Honda Civic, 2021 Honda Civic, 2017 Honda Civic Type-r, 2018 Honda Civic Type-r, 2019 Honda Civic Type-r, 2020 Honda Civic Type-r, 2021 Honda Civic Type-r.

3 2021 Honda Civic engine and engine cooling TSB (Bulletin ATI&10212022901)

Bulletin Date: Oct. 21, 2022
Component: Engine and engine cooling.
Bulletin Summary: 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 noticing an oil leak from the head cover gasket during a rou
Vehicles covered in this TSB:
2020 Honda Accord, 2021 Honda Accord, 2020 Honda Civic, 2021 Honda Civic.

4 2021 Honda Civic electrical system TSB (Bulletin APaS07272022901)

Bulletin Date: Jul. 27, 2022
Component: Electrical system.
Bulletin Summary: 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 prior repairs made to the vehicle. To better understand the c
Vehicles covered in this TSB:
2017 Honda Civic, 2018 Honda Civic, 2019 Honda Civic, 2020 Honda Civic, 2021 Honda Civic, 2017 Honda Cr-v, 2018 Honda Cr-v, 2019 Honda Cr-v, 2020 Honda Cr-v, 2021 Honda Cr-v.

5 2021 Honda Civic engine and engine cooling TSB (Bulletin ATI&07262022902)

Bulletin Date: Jul. 26, 2022
Component: Engine and engine cooling.
Bulletin Summary: 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 spe
Vehicles covered in this TSB:
2019 Honda Civic, 2020 Honda Civic, 2021 Honda Civic, 2022 Honda Civic, 2019 Honda Cr-v, 2020 Honda Cr-v, 2021 Honda Cr-v, 2022 Honda Cr-v.

6 2021 Honda Civic engine and engine cooling TSB (Bulletin ATI&07112022903)

Bulletin Date: Jul. 11, 2022
Component: Engine and engine cooling.
Bulletin Summary: 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 spe
Vehicles covered in this TSB:
2019 Honda Civic, 2020 Honda Civic, 2021 Honda Civic, 2022 Honda Civic, 2019 Honda Cr-v, 2020 Honda Cr-v, 2021 Honda Cr-v, 2022 Honda Cr-v.

7 2021 Honda Civic air bags:srs malfunction warning lamp/light TSB (Bulletin A21100B )

Bulletin Date: Jan. 4, 2022
Component: Air bags:srs malfunction warning lamp/light.
Bulletin Summary: 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
Vehicles covered in this TSB:
2020 Honda Accord, 2021 Honda Accord, 2020 Honda Civic, 2021 Honda Civic, 2021 Honda Clarity, 2020 Honda Clarity Electric, 2020 Honda Clarity Fuel Cell, 2021 Honda Clarity Fuel Cell, 2020 Honda Clarity Plug-in Hybrid, 2021 Honda Clarity Plug-in Hybrid, 2020 Honda Cr-v, 2021 Honda Cr-v, 2020 Honda FIT, 2020 Honda Hr-v, 2021 Honda Hr-v, 2020 Honda Insight, 2021 Honda Insight, 2020 Honda Odyssey, 2021 Honda Odyssey, 2020 Honda Passport, 2021 Honda Passport, 2020 Honda Pilot, 2021 Honda Pilot, 2020 Honda Ridgeline, 2021 Honda Ridgeline.

8 2021 Honda Civic seats TSB (Bulletin A21100B )

Bulletin Date: Jan. 4, 2022
Component: Seats.
Bulletin Summary: 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
Vehicles covered in this TSB:
2020 Honda Accord, 2021 Honda Accord, 2020 Honda Civic, 2021 Honda Civic, 2021 Honda Clarity, 2020 Honda Clarity Electric, 2020 Honda Clarity Fuel Cell, 2021 Honda Clarity Fuel Cell, 2020 Honda Clarity Plug-in Hybrid, 2021 Honda Clarity Plug-in Hybrid, 2020 Honda Cr-v, 2021 Honda Cr-v, 2020 Honda FIT, 2020 Honda Hr-v, 2021 Honda Hr-v, 2020 Honda Insight, 2021 Honda Insight, 2020 Honda Odyssey, 2021 Honda Odyssey, 2020 Honda Passport, 2021 Honda Passport, 2020 Honda Pilot, 2021 Honda Pilot, 2020 Honda Ridgeline, 2021 Honda Ridgeline.
 

9 2021 Honda Civic service brakes, hydraulic TSB (Bulletin ATI&07222021904)

Bulletin Date: Jul. 22, 2021
Component: Service brakes, hydraulic.
Bulletin Summary: 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 lik
Vehicles covered in this TSB:
2020 Honda Civic, 2021 Honda Civic.

10 2021 Honda Civic gasoline fuel system TSB (Bulletin ATI&07202021901)

Bulletin Date: Jul. 20, 2021
Component: Gasoline fuel system.
Bulletin Summary: 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
Vehicles covered in this TSB:
2018 Honda Accord, 2019 Honda Accord, 2020 Honda Accord, 2021 Honda Accord, 2018 Honda Civic, 2019 Honda Civic, 2020 Honda Civic, 2021 Honda Civic, 2018 Honda Cr-v, 2019 Honda Cr-v, 2020 Honda Cr-v, 2021 Honda Cr-v.

11 2021 Honda Civic service brakes, hydraulic TSB (Bulletin ATI&07072021908)

Bulletin Date: Jul. 7, 2021
Component: Service brakes, hydraulic.
Bulletin Summary: 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 lik
Vehicles covered in this TSB:
2020 Honda Civic, 2021 Honda Civic.

12 2021 Honda Civic visibility TSB (Bulletin ONLG5O07062021)

Bulletin Date: Jul. 6, 2021
Component: Visibility.
Bulletin Summary: 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 warran
Vehicles covered in this TSB:
2016 Honda Civic, 2017 Honda Civic, 2018 Honda Civic, 2019 Honda Civic, 2020 Honda Civic, 2021 Honda Civic.

13 2021 Honda Civic visibility TSB (Bulletin A19-091 )

Bulletin Date: Jun. 18, 2021
Component: Visibility.
Bulletin Summary: 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
Vehicles covered in this TSB:
2016 Honda Civic, 2017 Honda Civic, 2018 Honda Civic, 2019 Honda Civic, 2020 Honda Civic, 2021 Honda Civic.

14 2021 Honda Civic gasoline fuel system TSB (Bulletin ATI&06152021904)

Bulletin Date: Jun. 15, 2021
Component: Gasoline fuel system.
Bulletin Summary: 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
Vehicles covered in this TSB:
2018 Honda Accord, 2019 Honda Accord, 2020 Honda Accord, 2021 Honda Accord, 2018 Honda Civic, 2019 Honda Civic, 2020 Honda Civic, 2021 Honda Civic, 2018 Honda Cr-v, 2019 Honda Cr-v, 2020 Honda Cr-v, 2021 Honda Cr-v.

15 2021 Honda Civic electrical system TSB (Bulletin AATS210301)

Bulletin Date: Mar. 17, 2021
Component: Electrical system.
Bulletin Summary: 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
Vehicles covered in this TSB:
2020 Honda Accord, 2021 Honda Accord, 2021 Honda Civic, 2020 Honda Odyssey, 2021 Honda Odyssey.

16 2021 Honda Civic engine and engine cooling TSB (Bulletin SS1023006)

Bulletin Date: Jan. 19, 2016
Component: Engine and engine cooling.
Bulletin Summary: Ss 1023006  successful regen reference for epa 07 mbe 900 engines
Vehicles covered in this TSB:
2016 Honda Civic, 2017 Honda Civic, 2018 Honda Civic, 2019 Honda Civic, 2020 Honda Civic, 2021 Honda Civic.


Also see Common problems of Honda Civic.