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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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By component

By trouble code

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
APaS070920189032018-08-06. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION. Dealer message - American Honda (AHM) is investigating certain 2016-2018 Civic CVTs with a condition of the axle seal leaking. 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.
APaS051020189012018-07-16. Service bulletin. EQUIPMENT; VISIBILITY:WINDSHIELD. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2017-2018 Civic Hatchbacks with a customer complaint of the windshield washer tank leaking. 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.
A18-0012018-06-18. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Service bulletin - There is a problem with the audio/audio-navigation unit software, which may lead to one or more of the following symptoms: ? Audio unit does not connect to last known phone ? Home screen background color changes after factory reset ? Home screen defaults to standard setting after factory data reset ? Unknown Host Exception message appears ? Phone function screen crashes ? Private mode is shown on the meter when making phone calls ? Check Tuner message appears on Sirius XM screen ? Unable to switch music source ? Bluetooth® Audio still playing when receiving calls ? Navigation guidance does not stop when voice recognition activated ? Apple CarPlay? disconnects by itself ? Apple CarPlay does not start ? Music does not resume after phone call in Apple CarPlay ? Bluetooth Audio does not resume after handsfree call has ended ? USB devices not recognized ? Voice recognition does not start ? Unable to cancel TA announcements using SW back button ? Navigation Satellite icon flashing although satellites information is being received ? SIRI icon on display does not disappear ? AM radio stations have a lot of static and much louder at volume level 5
APaS053120189032018-06-11. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2016-2018 Civics with a customer complaint of excessive vibration and/or noise due to a broken side engine mount. The vibration can be felt through the steering wheel or floor at idle. The noise can be described as clunking or banging. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS053120189022018-06-11. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER; EQUIPMENT. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2017-2018 Civic Hatchbacks with a customer complaint of the windshield washer tank leaking. 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.
ATS1803032018-04-16. Service bulletin. EQUIPMENT:ELECTRICAL. Tech line summary article - Got a vehicle with the message Requested Channel Not Available covering the SiriusXM preset icons? We?re aware of this issue and have it under investigation.
ATS1801042018-03-05. Service bulletin. EQUIPMENT; FUEL SYSTEM, GASOLINE. Tech line summary article - If you get a vehicle in because the Browser app isn?t showing up on Display Audio, there?s nothing that needs fixing. We didn?t include that app in 2018 models. The online owner?s manual reflects this.

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