2018 Honda FitService bulletins
2018 Honda Fit Technical Service Bulletins
48 technical service bulletins (TSBs) are on record for the 2018 Honda Fit. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.
- 11000132May 3, 2024Engine. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018 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 inspect the vehicle prior to your attempting a repair of any kind.
- 10253302Apr 15, 2024Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018 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 inspect the vehicle prior to your attempting a repair of any kind.
- 10252468Mar 28, 2024Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018 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 inspect the vehicle prior to your attempting a repair of any kind.
- 10250729Feb 15, 2024Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2018 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 collect specific parts from the vehicle prior to your attempting a repair of any kind.
- 10250329Feb 1, 2024Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2018 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 collect specific parts from the vehicle prior to your attempting a repair of any kind.
- 10249201Jan 17, 2024Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2018 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 collect specific parts from the vehicle prior to your attempting a repair of any kind.
- 10248678Jan 2, 2024Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2018 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 collect specific parts from the vehicle prior to your attempting a repair of any kind.
- 10246405Nov 28, 2023Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2018 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 collect specific parts from the vehicle prior to your attempting a repair of any kind.
- 10240777Aug 14, 2023Engine cooling. Owner Notification Letter - On some 2018-2019 Fit vehicles, a combination of carbon deposits on the intake valves and the PGM-FI software settings may lead to reduced combustion stability under certain circumstances. This results in a misfire being detected and Malfunction Indicator Lamp (MIL) being illuminated.
- 10237807Jun 2, 2023Electrical system, Engine cooling. Service Bulletin - A combination of carbon deposits on the intake valves and the PGM-FI software settings may lead to reduced combustion stability under certain circumstances. This results in a misfire being detected and DTC stored.
- 10237806Jun 2, 2023Engine cooling. Service Bulletin - The MIL comes on with DTC P0300 (random misfire detected) or P0301âP0304 (cylinder misfire detected) due to carbon buildup on the intake valves may be affecting combustion.
- 10237804Jun 2, 2023Engine cooling. Dealer Message - American Honda is announcing a warranty extension for certain 2018-2019 Fit vehicles. American Honda is extending the warranty coverage for valve cleaning and software installation due to carbon buildup on the valves with misfire DTCs (P0300-P0304) on these vehicles to 10 years or 150,000 miles from the original date of purchase, whichever comes first.
- 10215486Jun 8, 2022Fuel system, Engine cooling, Equipment. "Service news article - When diagnosing a Fit within the above VIN range with a misfire complaint, start by doing service bulletin, 21-007 (Carbon Buildup with Misfire DTCs) instead of replacing fuel injectors. These vehicles use an improved injector design that addresses the failures that may have occurred in previous model years. In fact, fuel injectors within the above VIN range with misfire complaints were…
- 10215233Jun 1, 2022Fuel system, Engine cooling, Electrical system. Service bulletin - The MIL comes on with DTC P0300 (random misfire detected) or P0301âP0304 (cylinder misfire detected). Carbon buildup on the intake valves may be affecting combustion.
- 10208197Feb 18, 2022Transmission and drivetrain. Service Bulletin - The MIL comes on with DTC P0300 (random misfire detected) or P0301-P0304 (cylinder misfire detected).
- 10206648Jan 15, 2022Engine cooling, Fuel system. ServiceNews Article - When diagnosing a Fit within the above VIN range with a misfire complaint, start by doing service bulletin 21-007 (Carbon Buildup with Misfire DTCs) instead of replacing fuel injectors. These vehicles use an improved injector design that addresses the failures that may have occurred in previous model years. In fact, fuel injectors within the above VIN range with misfire complaints were…
- 10205452Dec 15, 2021Engine cooling. Service Bulletin - The MIL comes on with DTC P0300 (random misfire detected) or P0301-P0304 (cylinder misfire detected).
- 10198173Jun 18, 2021Engine cooling. Service Bulletin - The MIL comes on with DTC P0300 (random misfire detected) or P0301-P0304 (cylinder misfire detected).
- 10195024May 24, 2021Engine cooling. Dealer Message - Released on April 30th, service bulletin 21-007 addresses random or single-cylinder misfire concerns on 2015-2020 Fit models. Part of the corrective action involves cleaning the intake ports of any carbon buildup using a media blaster (carbon cleaning tool).
- 10194445May 14, 2021Equipment, Electrical system, Engine cooling. Service Bulletin - The MIL comes on with DTC P0300 (random misfire detected) or P0301-P0304 (cylinder misfire detected).
- 10191759Apr 30, 2021Engine cooling. Service Bulletin - The MIL comes on with DTC P0300 (random misfire detected) or P0301-P0304 (cylinder misfire detected).
- 10186009Jan 23, 2021Equipment. "Service Bulletin - There are several A/C leak detection tools available. -Refrigerant Gas Leak Detector -Ultrasonic Leak Detector -Leak Dye"
- 10186011Jan 18, 2021Engine, Fuel system. "ServiceNews Article - If normal troubleshooting suggests replacing the fuel injectors, check the long-term fuel trim using the i-HDS to ensure that it's fixed right the first time. -If it is less than 1.0% (lean), then it's most likely caused by the injectors. -If it is more than 1.0% (rich), then it's most likely caused by carbon buildup on the valves. Use a commercially available valve cleaner to resolve the…
- 10186010Jan 18, 2021Equipment. Service Bulletin - The blower motor makes excessive noise, runs slowly, or intermittently stops working.
- 10172008Feb 26, 2020Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2017-2019 Fits with a customer complaint of the MIL on with the misfire DTCs stored. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- 10171044Jan 31, 2020Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2017-2019 Fits with a customer complaint of the MIL on with the misfire DTCs stored. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- 10170636Jan 16, 2020Engine cooling, Equipment. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2017-2019 Fits with a customer complaint of the MIL on with the misfire DTCs stored. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- 10167692Nov 4, 2019Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2017-2019 Fits with a customer complaint of the MIL on with the misfire DTCs stored. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- 10167153Oct 28, 2019Fuel system, Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2017-2019 Fits with a customer complaint of the MIL on with the misfire DTCs stored. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- 10166794Oct 21, 2019Visibility (wipers, defrost, mirrors), Body and structure. Dealer Message - On August 29, 2019, American Honda launched five revised and one new Warranty Extension paint bulletins. Please review the following summary of requirements within these bulletins and share with the appropriate staff to ensure proper claim submission.
- 10165374Sep 20, 2019Transmission and drivetrain. 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.
- 10164453Aug 29, 2019Body and structure. Service Bulletin - This warranty extension only applies to 2015-18 Fit and 2016-18 HR-V vehicles that are painted NH-788P. AHM referred to the white pearl paint as both White Orchid Pearl and Bellanova White. The exterior paint on the vehicle may peel off. American Honda is extending the warranty on the paint of the affected vehicles to 7 years from the original date of purchase with no mileage limit.
- 10163798Aug 7, 2019Body and structure. Dealer Message - In the last few weeks, American Honda has issued several paint warranty extension service bulletins on the Pilot, Odyssey, HR-V and Fit models due to paint defects under S/B# 19-055, 19-056, 19 057, 19-058 and 19-064. It is important that your dealership follows the requirements listed in the service bulletins (and below) or your claim may be debited.
- 10163811Aug 6, 2019Body and structure. Owner Notification Letter - On some 2015-18 Fit and 2016-18 HR-V models, the exterior paint on the vehicle may peel off. To ensure your confidence in your vehicle, American Honda is extending the warranty on the vehicle's exterior paint to 7 years from the original date of purchase.
- 10163183Jul 20, 2019Body and structure. Service Bulletin - This warranty extension only applies to 2015-18 Fit and 2016-18 HR-V vehicles that are painted NH-788P. AHM referred to the white pearl paint as both White Orchid Pearl and Bellanova White. The exterior paint on the vehicle may peel off. American Honda is extending the warranty on the paint of the affected vehicles to 7 years from the original date of purchase with no mileage limit.
- 10162449Jul 4, 2019Electrical system. Service Bulletin - Bluetooth HandsFreeLink (HFL) freezes after a phone call and stored voice tags are missing when the ignition is turned to ON.
- 10161244Jun 5, 2019Body and structure. Dealer Message - Today, June 5, 2019, American Honda is announcing a warranty extension for certain 2015-18 Fit and 2016-18 HR-V vehicles with White Orchid Pearl paint to address customer concerns with peeling paint. American Honda is extending the paint warranty coverage from 3 years/unlimited mileage to 7 years/unlimited mileage.
- 10161242Jun 5, 2019Body and structure. Service Bulletin - The exterior paint on the vehicle may peel off. American Honda is extending the warranty on the paint of the affected vehicles to 7 years from the original date of purchase with no mileage limit. This warranty extension does not apply to other paint issues like rock chips, scratches, bird droppings, sap, etc.
- 10160545May 16, 2019Steering. ServiceNews Article - When removing and installing a cable reel, you need to keep both the cable reel and the steering angle sensor in position. If you don't , the VSA indicator may come on along with one or more VSA DTCs. And when you run the Neutral Memorization Procedure in the i-HDS, it won't complete.
- 10159434Apr 26, 2019Equipment, Electrical system. Service Bulletin - SiriusXM Radio does not work for subscribers after the 3-month trial period, and iPhones cannot connect to Apple CarPlay.
- 10152732Jan 2, 2019Latches, locks and linkages. Dealer message - American Honda (AHM) is investigating certain 2018-2019 Fits with a customer complaint of the rear door latches binding or inop. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- 10150277Nov 26, 2018Latches, locks and linkages, Body and structure. Dealer message - American Honda (AHM) is investigating certain 2018-2019 Fits with a customer complaint of the rear door latches binding or inop. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- 10149650Nov 5, 2018Latches, locks and linkages. Dealer message - American Honda (AHM) is investigating certain 2018-2019 Fits with a customer complaint of the rear door latches binding or inop. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
- 10144035Aug 10, 2018Equipment. Service bulletin - SiriusXM® Radio does not work after the 3 month trial period. Some audio units are not updated to the latest software version.
- 10118517Sep 22, 2017Electrical system, Forward collision avoidance. Tech line summary article - At PDI, are the Collision Mitigation Braking System and Road Departure Mitigation indicators blinking but no DTCs are set? We?re aware of this issue, and we currently have it under investigation.
- 10118213Sep 22, 2017Equipment. Tech line summary article - At PDI, are the Collision Mitigation Braking System and Road Departure Mitigation indicators blinking but no DTCs are set? We?re aware of this issue, and we currently have it under investigation.
- 10117862Aug 30, 2017Equipment. Dealer message - American Honda (AHM) discovered that certain 2018 FIT vehicles may have the Honda Sensing Light flashing at ignition II position during PDI (as seen below) and your dealership might have received affected vehicles. Please check the attached VIN list and inspect the vehicle(s) if still in your inventory.
- 10115757Aug 3, 2017Steering. Service news article - To prevent damage during shipping, leather-wrapped steering wheels come with a protective plastic covering. The easiest way to remove it during PDI is to grab the covering with both hands near the top of the steering wheel and pull it toward you, like you see here. The covering comes right off.
← All problems reported for the 2018 Honda Fit
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.