2023 Honda Accord engine problems

12 owner complaints filed with NHTSA name the engine on the 2023 Honda Accord — 14% of all complaints for this model year.

Engine complaints

14%

share of all complaints

—

median reported incident mileage

0 / 1

crash / fire reports

What owners report

“While driving my 2023 Honda Accord Hybrid, the vehicle suddenly displayed multiple warning messages, including a Check Engine Light, and immediately entered limp mode. Engine power was significantly reduced, making it difficult to accelerate and safely keep up with surrounding traffic. This…”
filed Jul 21, 2026
“There were no warning lamps or messages prior to the failure. My family was out of town, when the fire occurred. However, the neighbors were home and their home also sustained some damage. My home was a total loss. On June 16, 2026 I received a call while out of town that my home was on fire and it…”
filed Jun 25, 2026

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

Dealer Message - 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 through P0304 stored.
AEBM08262026901 · Other · issued Aug 26, 2026
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.
A26-005 · Service Bulletin/Repair Instructions · issued Aug 26, 2026