2020 Honda Civic electrical system problems
36 owner complaints filed with NHTSA name the electrical system on the 2020 Honda Civic — 16% of all complaints for this model year.
What owners report
“Odometer Fraud. The contact purchased a 2020 Honda Civic. It was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. At the time of purchase, the mileage was 87,000. At the time of registration, it was discovered that the mileage was 247,000.”
filed Sep 4, 2026
“The turbocharger bypass control solenoid valve circuit on my 2020 Civic Si has developed an intermittent open, setting DTC P0035. I diagnosed it myself: the solenoid coil measures 45 ohms and functions when commanded via bi-directional scan tool, and supply voltage is present at the harness…”
filed Aug 30, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics, 2020-2022 CR-Vs, 2022-2023 Pilots & Passports with a customer complaint of the center display flickering, flashing, or…
ATI&09122024904 · Other · issued Sep 12, 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics, 2020-2022 CR-Vs, 2022-2023 Pilots & Passports with a customer complaint of the center display flickering, flashing, or…
ATI&08072024901 · Other · issued Aug 8, 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics, 2020-2022 CR-Vs, 2022-2023 Pilots & Passports with a customer complaint of the center display flickering, flashing, or…
ATI&07232024904 · Other · issued Jul 24, 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics, 2020-2022 CR-Vs, 2022-2023 Pilots & Passports with a customer complaint of the center display flickering, flashing, or…
ATI&07082024906 · Other · issued Jul 9, 2024
Electrical System problems in other Civic years
| Year | Reports | Share |
|---|---|---|
| 2026 Civic | 5 | 18% |
| 2025 Civic | 6 | 9% |
| 2024 Civic | 7 | 6% |
| 2023 Civic | 16 | 6% |
| 2022 Civic | 38 | 4% |
| 2021 Civic | 17 | 12% |
| 2019 Civic | 36 | 8% |
| 2018 Civic | 60 | 8% |
| 2017 Civic | 101 | 17% |
| 2016 Civic | 119 | 11% |
| 2015 Civic | 27 | 7% |
| 2014 Civic | 38 | 13% |
Other reported problem areas on the 2020 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.