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Service bulletins for the 2018 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.

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

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Bulletins, newest first
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.
APaS013020202020-02-05. Service bulletin. 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.
APaS012420209042020-01-29. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2016-2019 Civics with a customer complaint of paint peel on the C-pillar, in the area adjacent to the rear window. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS012420209022020-01-29. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2016-2019 Accords, Civics, CR-Vs, Odysseys, Pilots & Ridgelines with a customer complaint of fuel smell or leak from the fuel tank area. 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.
APaS012220202020-01-29. Service bulletin. 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.
APaS010820209022020-01-15. Service bulletin. 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.
APaS010720209082020-01-15. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2016-2019 Accords, Civics, CR-Vs, Odysseys, Pilots & Ridgelines with a customer complaint of fuel smell or leak from the fuel tank area. 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.
APaS010720209062020-01-14. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2016-2019 Civics with a customer complaint of paint peel on the C-pillar, in the area adjacent to the rear window. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS122020192020-01-08. Service bulletin. EQUIPMENT. 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.
A19-0912019-12-18. Service bulletin. VISIBILITY. 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 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, tiny holes may develop in the condenser tube walls that allows the refrigerant to leak out. The warranty extension does not apply to any vehicle that has a leaking condenser due to foreign object damage. The warranty extension does not apply to any vehicle that has ever been declared a total loss or sold for salvage by a financial institution or insurer, or has a branded or similar title under any state's law.
APaS120220199042019-12-10. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2016-2019 Civics with a customer complaint of paint peel on the C-pillar, in the area adjacent to the rear window. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS120220199022019-12-10. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2016-2019 Accords, Civics, CR-Vs, Odysseys, Pilots & Ridgelines with a customer complaint of fuel smell or leak from the fuel tank area. 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.
APaS111420199062019-11-20. Service bulletin. STRUCTURE; EQUIPMENT ADAPTIVE/MOBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2016-2019 Civics with a customer complaint of paint peel on the C-pillar, in the area adjacent to the rear window. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS111420199032019-11-20. Service bulletin. FUEL SYSTEM, GASOLINE; EQUIPMENT ADAPTIVE/MOBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2016-2019 Accords, Civics, CR-Vs, Odysseys, Pilots & Ridgelines with a customer complaint of fuel smell or leak from the fuel tank area. 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.
ONL6C3110120192019-11-16. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:APPLIANCE:AIR CONDITIONER. Owner Notification Letter - This warranty only covers vehicles that have a defective air conditioning condenser installed at the factory. The A/C condenser was not manufactured to specification. As a result, tiny holes may develop in the condenser tube walls that allow refrigerant to leak out. The warranty will not apply to any vehicle that has leaking condenser due to foreign object damage.
APaS102820199062019-11-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2016-2019 Civics with a customer complaint of paint peel on the C-pillar, in the area adjacent to the rear window. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS102820199032019-11-05. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2016-2019 Accords, Civics, CR-Vs, Odysseys, Pilots & Ridgelines with a customer complaint of fuel smell or leak from the fuel tank area. 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.
APaS100920199082019-10-25. Service bulletin. STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2016-2019 Civics with a customer complaint of paint peel on the C-pillar, in the area adjacent to the rear window. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS100920199032019-10-25. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2016-2019 Accords, Civics, CR-Vs, Odysseys, Pilots & Ridgelines with a customer complaint of fuel smell or leak from the fuel tank area. 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.
A19-0382019-10-09. Service bulletin. ENGINE AND ENGINE COOLING. Service Bulletin - Under certain circumstances, the vehicle may experience driveability issues, which may result in DTCs P0300 (random misfire detected), P0301 (No. 1 cylinder misfire detected), P0302 (No. 2 cylinder misfire detected), P0303 (No. 3 cylinder misfire detected), P0304 (No. 4 cylinder misfire detected), or P0172 (fuel system too rich) or a whirling noise coming from the engine compartment.
APaS092520199042019-10-03. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2016-2019 Accords, Civics, CR-Vs, Odysseys, Pilots & Ridgelines with a customer complaint of fuel smell or leak from the fuel tank area.
A19090B2019-09-24. Service bulletin. POWER TRAIN. ServiceNews Article - Have you noticed the fill plug on a CVT has popped out or seems to be leaking? This is caused by pressure building up at the fill plug due to the vent cap getting plugged with debris.
APaS090920199012019-09-18. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2016-2019 Accords, Civics, CR-Vs, Odysseys, Pilots & Ridgelines with a customer complaint of fuel smell or leak from the fuel tank area. 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.
APaS082720199012019-09-06. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2016-2019 Accords, Civics, CR-Vs, Odysseys, Pilots & Ridgelines with a customer complaint of fuel smell or leak from the fuel tank area. 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.
APaS081420199052019-08-20. Service bulletin. ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Civic 2.0Ls with a customer complaint of an oil leak. 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.

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