2015 Acura TLX engine problems
82 owner complaints filed with NHTSA name the engine on the 2015 Acura TLX — 24% of all complaints for this model year.
What owners report
“The emergency brake system continues to come on and read all the type of stuff on the screen, as well as the LKAS keeps coming on the screen showing problems and when it does, the transmission or engines stalls a little and slows up and speed down on its on”
filed Apr 23, 2026
“Vehicle displays two warnings under normal usage. First warning is Emissions system issue and second is Brake System Failure. The Vehicle runs completely normal and operational, however these two warnings flash on the vehicle. The parking brake indicator also flashes. Vehicle has been to…”
filed Mar 17, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Due to a manufacturing error, the connecting rod bearing in the engine may wear and…Campaign 23V751000 · Nov 13, 2023
Related service bulletins
Service Bulletin - Under certain circumstances, after coming to a stop and engaging idle stop the vehicle may not restart automatically due to excessive cylinder pressure and/or low cranking torque. Typically, the…
B22-009 · Service Bulletin/Repair Instructions · issued Jul 7, 2025Service Bulletin - The AWD warning light is on with one or more AWD DTCs having been set due to water intrusion into the electric oil pump motor connector area corrodes the terminals.
B24-022 · Service Bulletin/Repair Instructions · issued Feb 19, 2025Service Bulletin - Drivers may experience a chirping sound coming from the engine area with the engine warmed up due to the high pressure fuel pump is making a chirp.
B16-008 · Service Bulletin/Repair Instructions · issued Sep 4, 2024Owner Notification Letter - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. Acura is providing a product update with new PGM-FI software…
ONL6AX07052023 · Service Bulletin/Repair Instructions · issued Jul 5, 2023Service Bulletin - The engine will not crank on the initial startup attempt after the vehicle has been exposed to precipitation and then freezing temperatures. Water can enter the starter motor. In cold temperatures the…
B23-009 · Service Bulletin/Repair Instructions · issued Apr 20, 2023
Engine problems in other TLX years
| Year | Reports | Share |
|---|---|---|
| 2022 TLX | 2 | 8% |
| 2021 TLX | 4 | 6% |
| 2020 TLX | 19 | 31% |
| 2019 TLX | 31 | 34% |
| 2018 TLX | 31 | 33% |
| 2017 TLX | 23 | 33% |
| 2016 TLX | 27 | 25% |
Other reported problem areas on the 2015 Acura TLX
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.