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Service bulletins for the 2019 Honda Civic

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.

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

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
A26-0092026-10-01. Service bulletin. ENGINE. Service 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).
A26-0082026-10-01. Service bulletin. ENGINE. Service 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).
AEBM082620269012026-08-27. Other. ENGINE. Dealer 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.
A26-0092026-08-27. Service bulletin. ENGINE. Service 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.
A26-0082026-08-27. Service bulletin. ENGINE. Service 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.
A25-0762025-08-08. Service bulletin. ENGINE. Service Bulletin - Oil leak at timing chain tensioner inspection cover due to possible insufficient sealant adhesion on inspection cover.
ATI&092520239072023-10-07. Service bulletin. ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 Accords, Civic Sis, and CR-Vs with a customer complaint of the Malfunction Indicator Light (MIL) on with DTCs P030X (Cylinder Misfire Detected) and/or P0172 (System Too Rich [Bank 1]) 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 of any kind.
APaS090620239062023-09-13. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 Accords, Civic Sis, and CR-Vs with a customer complaint of the Malfunction Indicator Light (MIL) on with DTCs P030X (Cylinder Misfire Detected) and/or P0172 (System Too Rich [Bank 1]) 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 of any kind.
ATI&072620229022022-08-02. Service bulletin. ENGINE AND ENGINE 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.
ATI&071120229032022-08-02. Service bulletin. ENGINE AND ENGINE 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.
ATI&062220229012022-07-07. Service bulletin. ENGINE AND ENGINE 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.
ONL6LS062420212021-07-03. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; POWER TRAIN. Owner Notification Letter - Our records indicate that a PRODUCT UPDATE has not been completed on this vehicle (Vehicle Identification Number XXXXXXXXXXXXXXXXX). On your 2019 Civic, the powertrain control module (PCM) may have a software issue that misinterprets sensor inputs as a Fuel Level Sensor (Fuel Gauge Sending unit) issue and turns on the malfunction indicator lamp (MIL), and stores a diagnostic trouble code (DTC) P0461 - Fuel Level Sensor Circuit Range/Performance. As a result, your vehicle may be equipped with an improperly functioning on-board emission-related diagnostic system.
SS10230062021-06-18. Service bulletin. ENGINE AND ENGINE COOLING. SS 1023006 Successful Regen Reference for EPA 07 MBE 900 Engines
APaS072120209022020-07-28. Service bulletin. ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2019 Accords, 2016-2019 Civics & 2017-2019 CR-Vs with a customer complaint of an oil leak at the valve cover. To better 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.
APaS070620209022020-07-16. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Accords, 2016-2019 Civics & 2017-2019 CR-Vs with a customer complaint of an oil leak at the valve cover. To better 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.
APaS062320202020-07-02. Service bulletin. ENGINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Accords, 2016-2019 Civics & 2017-2019 CR-Vs with a customer complaint of an oil leak at the valve cover. To better 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.
APaS061920209012020-06-25. Service bulletin. ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Accords, 2016-2019 Civics & 2017-2019 CR-Vs with a customer complaint of an oil leak at the valve cover. To better 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.
APaS052820202020-06-04. Service bulletin. VISIBILITY; ENGINE AND ENGINE COOLING; ENGINE. Dealer Message - We've noticed an unprecedented demand for A/C compressors which at times has created a backorder situation. The majority of the compressors returned were analyzed and proven leak free. As you are aware, there is Warranty Extension for Civic Condensers (Service Bulletin 19-091) for a leak problem. This bulletin provides detailed information on how to use the Bosch ROBLD020 Dual Mode Refrigerant Gas Leak Detector which should be used to confirm a leak at the compressor.
APaS041620209022020-05-05. Service bulletin. ENGINE AND ENGINE COOLING. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Accords, 2016-2019 Civics & 2017-2019 CR-Vs with a customer complaint of an oil leak at the valve cover. To better 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.
APaS040720209062020-04-16. Service bulletin. ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Accords, 2016-2019 Civics & 2017-2019 CR-Vs with a customer complaint of an oil leak at the valve cover. To better 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.
APaS040320202020-04-10. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING; VISIBILITY. Dealer Message - We've noticed an unprecedented demand for A/C compressors which at times has created a backorder situation. The majority of the compressors returned were analyzed and proven leak free. As you are aware, there is Warranty Extension for Civic Condensers (Service Bulletin 19-091) for a leak problem. This bulletin provides detailed information on how to use the Bosch ROBLD020 Dual Mode Refrigerant Gas Leak Detector which should be used to confirm a leak at the compressor.
APaS031920209062020-03-31. Service bulletin. ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Accords, 2016-2019 Civics & 2017-2019 CR-Vs with a customer complaint of an oil leak at the valve cover. To better 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.
APaS020520209012020-02-11. Service bulletin. ENGINE AND ENGINE COOLING. Dealer Message - We've noticed an unprecedented demand for A/C compressors which at times has created a backorder situation. The majority of the compressors returned were analyzed and proven leak free. As you are aware, there is Warranty Extension for Civic Condensers (Service Bulletin 19-091) for a leak problem. This bulletin provides detailed information on how to use the Bosch ROBLD020 Dual Mode Refrigerant Gas Leak Detector which should be used to confirm a leak at the compressor.
APaS111420199092019-11-20. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019-2020 Civic 2.0Ls with a customer complaint of an oil leak. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS102820199092019-11-05. Service bulletin. ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019-2020 Civic 2.0Ls with a customer complaint of an oil leak. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.

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