2012 Honda Civic engine problems
32 owner complaints filed with NHTSA name the engine on the 2012 Honda Civic — 7% of all complaints for this model year.
What owners report
“Component or system failure: The vehicle experienced failures involving the engine/ignition system, emissions system, Vehicle Stability Assist (VSA), and power steering. On July 14, 2025, warning messages appeared for “Check Emissions System,” “Check VSA System,” and “Check Power Steering System.”…”
filed Jan 2, 2026
“So according to Honda Service Bulletin 20-030, all honda civic 2012-2015 hybrids having IMA Motor Power Inverter (MPI) have to fixed. I have the SAME CAR, SAME MODEL, SAME YEAR AND SAME ERROR CODES AS THE SERVICE BULLETIN AND THIS IS SUCH A SERIOUS ELECTRICAL POWER INVERTER ISSUE. Yet HONDA IS…”
filed Jun 2, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Owner Notification Letter - Our records indicate that a EMISSIONS RECALL has not been completed on this vehicle (Vehicle Identification Number XXXXXXXXXXXXXXXXX). Under certain circumstances, your vehicle's powertrain…
ONL6BD06242021 · Service Bulletin/Repair Instructions · issued Jun 24, 2021Owner Notification Letter - Under certain circumstances, your vehicle's powertrain control module (PCM) may not properly adjust the air-fuel ratio resulting in your vehicle releasing air pollutants which exceed…
ONL6BD10312019 · Service Bulletin/Repair Instructions · issued Oct 31, 2019Service Bulletin - Due to an improper PCM calibration, after starting the engine the PCM cannot properly adjust the air-fuel ratio under certain conditions and the on-board emission-related diagnostic system may not…
A19-106 · Service Bulletin/Repair Instructions · issued Sep 24, 2019Service bulletin - Emission certification labels that were replaced on a small number of vehicles may have been replaced with a label listing incorrect information. The affected emission labels are replacement service…
A18070 · Service Bulletin/Repair Instructions · issued Aug 9, 2018
Engine problems in other Civic years
| Year | Reports | Share |
|---|---|---|
| 2026 Civic | 3 | 13% |
| 2025 Civic | 4 | 6% |
| 2024 Civic | 2 | 2% |
| 2023 Civic | 8 | 3% |
| 2022 Civic | 11 | 1% |
| 2021 Civic | 5 | 4% |
| 2020 Civic | 11 | 5% |
| 2019 Civic | 31 | 7% |
| 2018 Civic | 57 | 8% |
| 2017 Civic | 65 | 11% |
| 2016 Civic | 94 | 9% |
| 2015 Civic | 31 | 8% |
Other reported problem areas on the 2012 Honda Civic
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.