2018 Honda Fit problems & reliability
115 owner complaints filed with NHTSA for the 2018 Honda Fit, alongside 4 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
7 complaints report injuries (9 injured).
Federal crash records (FARS 2020–2023): 2018 Honda Fit vehicles were involved in 14 fatal crashes with 11 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Electrical System | 34 | 30% |
| Fuel/propulsion System | 30 | 26% |
| Engine | 22 | 19% |
| Unknown OR Other | 17 | 15% |
| Structure | 12 | 10% |
| Fuel System, Gasoline | 11 | 10% |
| Forward Collision Avoidance | 8 | 7% |
| Lane Departure | 4 | 3% |
| Power Train | 4 | 3% |
| Air Bags | 3 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 28,850 miles (middle 50% between 15,550 and 57,500 miles), based on 31 complaints that included mileage.
Complaints by incident year
What owners report
“Passenger airbag weight sensor (light next to radio goes on/off) intermittently not sensing adult passenger in passenger seat. Airbag may not work properly in case of accident and could cause severe injury or death of passenger. Indicator light inconsistently goes on and off. This is an active known recall issue. The…”
Seats · filed Jul 29, 2026
“Purchased great condition used 2018 Fit EX on [XXX] from local non-Honda dealership. The next day, on [XXX], the following errors appeared on the dash: tire pressure monitor system, emissions, hill start assist, lane deviation warning, power steering, and vehicle stability assist errors on the screen, and the check…”
Fuel/propulsion System · filed Jun 25, 2026
“The contact owns a 2018 Honda Fit. The contact stated that while driving at an undisclosed speed on a dangerous and winding road, the battery and check engine warning lights illuminated. The vehicle was driven to the local dealer who diagnosed that the fuel injectors had failed due to carbon build up. The contact was…”
Fuel System, Gasoline · filed Jun 24, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
48 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2018 Honda Fit. The 10 most recent:
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…
ATI&05032024905 · Other · issued May 3, 2024
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…
ATI&04152024902 · Service Bulletin/Repair Instructions · issued Apr 15, 2024
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…
ATI&03282024902 · Service Bulletin/Repair Instructions · issued Mar 28, 2024
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…
ATI&02152024905 · Service Bulletin/Repair Instructions · issued Feb 15, 2024
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…
ATI&02012024904 · Service Bulletin/Repair Instructions · issued Feb 1, 2024
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…
ATI&01172024905 · Service Bulletin/Repair Instructions · issued Jan 17, 2024
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…
ATI&01022024909 · Service Bulletin/Repair Instructions · issued Jan 2, 2024
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…
ATI&11282023910 · Service Bulletin/Repair Instructions · issued Nov 28, 2023
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…
ONL6M208142023 · Service Bulletin/Repair Instructions · issued Aug 14, 2023
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…
A23-042 · Service Bulletin/Repair Instructions · issued Jun 2, 2023
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2018 Honda Fit has 4 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2018 Honda Fit?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 28,850 miles — budget accordingly if the car is approaching that mileage.