AI Damage2020 Honda Civic SI: common problems
The maker issued 5 service bulletins for this year. We found 1 repair videos on YouTube. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 5
- YouTube repair videos
- 1
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 2 |
| Engine | 0 | 0 | 2 |
| Engine and cooling | 0 | 0 | 2 |
Comparison
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Service Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which…
Service Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, and/or misfire. In some cases, DTCs P0300 through…
- Service Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which…
Service Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire and/or DTCs P0300 thru P0304 stored.
- Dealer Message - American Honda Motor Co., Inc
(AHM) is searching for certain 2019-2020 Accords, Civic Sis, and CR-Vs with a customer complaint of the Malfunction Indicator Light (MIL) on with DTCs P030X (Cylinder Misfire Detected) and/or P0172 (System Too Rich…
Repair videos
We do not copy videos: these are YouTube links credited to their authors. Amounts are as stated by the author and not verified by us.
- 2020 Honda Civic Si Rebuild: Front End Refresh with Partify!amount per author: 278 UNSPECIFIED_DOLLAR
Other years of this model
Questions and answers
What are the most common problems with the 2020 Honda Civic SI?
There are no owner complaints in the NHTSA data for this year; the data comes from 5 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2020 Honda Civic SI?
NHTSA lists 5 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2020 Honda Civic SI from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2020 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.