Three years ago, the car started stalling at traffic lights coming to a stop battery was replaced and the problem went away. A new battery was installed a few months ago and in the last week the same stalling situation has occurred three times. Acura says there’s a software update, and when the car was brought in for the recall on the connecting rod bearings, they said they refreshed the software…
2015 Acura TLX engine problems
moderate 43 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Failure mileage
Complaints
43
Recalls
0
Avg fix
$3,100
1injury
When does it fail?
Of the 43 engine complaints filed for the 2015 Acura TLX, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Of the 6 model years of Acura TLX we track for engine problems, this one carries the most owner complaints on file — 43.
Owners have filed 43 engine complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
What owners are reporting 4 most recent
I was driving, and my car started slowing down smoking under the hood with a loud noise under the hood like a knocking sounds. Then I heard a loud bang. Paid a tow company to tow my car to the shop mechanic found a large hole in the block. Last oil changed was 03/16/2023. I called acura to see if a recall had been reported after learning about other people having the same issues. It didn't seem…
The contact owns a 2015 Acura TLX. The contact stated while driving 65 MPH, the engine overheated. The contact stated that the excessive engine temperature message was displayed. The contact looked under the hood and became aware that the coolant reservoir cap was disengaged. The vehicle was towed to the dealer. The vehicle was not repaired. The vehicle was included in NHTSA Campaign Number:…
My 2015 Acura TLX’s engine has internal issues with rod bearings, as mentioned in other recalls of the same year, yet my VIN does not fall within the recall.
Had engine trouble with your 2015 Acura TLX?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2015 Acura TLX?
It's a documented issue but not catastrophic. 43 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Across the 14 complaints that reported odometer mileage, most engine failures cluster between 58,000 and 92,000 miles, with the median around 73,000. A quarter of owners report trouble before 58,000; a quarter make it past 92,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2015/Acura/TLX.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.