2015 Acura TLX Power Train Problems

Source: NHTSA · Updated Oct 13, 2026 · 161 complaints analyzed

Owners have filed 161 complaints with NHTSA about power train problems on the 2015 Acura TLX, 47% of all complaints for this model year. Half of the reports with a mileage happened before 7,500 miles. The words owners use most often: “2nd 3rd” (9% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • 2ND 3RD: mentioned in 14 of 161 complaints (9%)
  • Shifted neutral: mentioned in 10 of 161 complaints (6%)

At what mileage do power train problems happen?

Based on 127 complaints that reported the odometer reading.

Under 10k miles66 · 52%
10k–25k miles18 · 14%
25k–50k miles17 · 13%
50k–75k miles15 · 12%
75k–100k miles8 · 6%
100k–150k miles2 · 2%
150k+ miles1 · 1%

How serious are the reports?

Of 161 complaints, 5 mention a crash, 1 an injury.

Acura TLX power train complaints by model year

Peak: 2015, with 161 complaints
2015: 16120151612016: 152016152017: 182017182018: 112018112019: 112019112020: 7202072021: 272021272022: 102022102023: 2202322024: 220242

n = 264 complaints · Source: NHTSA

Model yearPower Train complaintsShare of that yearMedian miles
2024 TLX240%—
2023 TLX218%—
2022 TLX1040%—
2021 TLX2739%93,039
2020 TLX711%—
2019 TLX1112%22,000
2018 TLX1111%39,541
2017 TLX1825%16,000
2016 TLX1514%17,300
2015 TLX16147%7,500

When owners reported it

Peak: 2015, with 56 complaints
2014: 3201432015: 562015562016: 202016202017: 132017132018: 9201892019: 142019142020: 8202082021: 122021122022: 7202272023: 5202352024: 5202452025: 6202562026: 320263

n = 161 complaints · Source: NHTSA

Related recalls (2)

Power train:automatic transmission:control module (tcm/pcm/tecm)Sep 6, 2016 · NHTSA campaign 16V640000 · 8,354 vehicles

Problem: Honda (American Honda Motor Co.) is recalling certain model year 2015 Acura TLX 2WD and 4WD vehicles. In the affected vehicles, the transmission wire harness connections may have insufficient crimps, and, as a result, the transmission may unexpectedly shift to neutral.

Risk: If the vehicle unexpectedly shifts to neutral, there is an increased risk of a crash.

Fix: Acura has notified owners, and dealers will, based on the automatic transmission serial number, update the transmission software to prevent the transmission from shifting into neutral due to a faulty crimp, free of charge. The recall began January 13, 2017. Owners may contact Acura Client Relations at 1-888-234-2138. Honda's number for this recall is KC2.

Power train:automatic transmissionDec 8, 2014 · NHTSA campaign 14V779000 · 9,392 vehicles

Problem: American Honda Motor Co. (Honda) is recalling certain model year 2015 Acura TLX V6 2WD vehicles manufactured July 14, 2014, to November 12, 2014, and certain 2015 TLX V6 SH-AWD vehicles manufactured August 26, 2014, to November 10, 2014. The automatic transmission parking pawl may become contaminated or the park rod may become dislodged or broken. This may prevent the transmission from shifting into the Park position.

Risk: If the shift indicator displays "Park" but the park lock does not engage, the vehicle may roll away increasing the risk of a crash.

Fix: Honda will notify owners, and dealers will inspect and replace the transmission if necessary, free of charge. The recall began January 30, 2015. Owners may contact Honda customer service at 1-310-783-2000. Honda's number for this recall is JM8.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

While driving my 2015 Acura TLX, warning lights illuminate and the vehicle unexpectedly shifts into neutral while the vehicle is moving. When this occurs, the vehicle loses the ability to accelerate normally, creating a serious safety concern in traffic. These symptoms appear consistent with the…

Received Oct 5, 2026 · NHTSA complaint 11769122

Car randomly goes into neutral and stays in neutral not allowing gear change

Received Jun 15, 2026 · NHTSA complaint 11744119

The contact owns a 2015 Acura TLX. The contact stated that while driving at undisclosed speeds, the vehicle hesitated while accelerating. The message to stop driving and have the vehicle serviced immediately was displayed. The vehicle was towed to the dealer, who diagnosed that the Automatic…

Received Jan 5, 2026 · NHTSA complaint 11708770
Acura TLX
2023 Acura TLX SH-AWD with A-Spec package photographed in New Castle, Pennsylvania. Finished in Lunar Silver Metallic.. Representative photo; appearance varies by model year. Photo: MercurySable99, CC BY-SA 4.0, via Wikimedia Commons.

Frequently asked questions

Do all 2015 Acura TLXs have power train problems?

No. NHTSA has 161 owner complaints about power train for the 2015 Acura TLX (47% of the 344 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the 2015 Acura TLX power train?

Yes: 2 safety recalls list power train. Check your VIN on NHTSA.gov to see whether the fix was done on your car.

At what mileage do power train problems start?

The median reported mileage is 7,500 miles: half of the reports with a mileage came before that.

What do owners say about power train problems on the 2015 Acura TLX?

The most frequent phrase is “2nd 3rd”, in 14 of 161 complaints, followed by “shifted neutral” (10).

Other 2015 Acura TLX problems

See all 2015 Acura TLX problems or power train problems across all TLX years.