2015 Acura TLX Common Problems & Defect Telemetry
Authoritative defect intelligence synthesized from 340 verified NHTSA owner complaints, 6 federal safety recalls, and interquartile failure mileage telemetry.
The 2015 Acura TLX receives a 3.2/10 MazicBay Reliability Index based on 340 verified NHTSA federal complaints and 6 safety recalls. The primary reported failure mode is Transmission Hesitation, Hard Shifting & Slipping Reports with a median failure point at 12,000 miles (IQR: 4,500 – 52,000 mi). Out-of-warranty repairs benchmark at $1,400 – $3,800 .
170 complaints / 10k sold
Verified US federal records
Crash, fire & stall audit
6 Active / Free Remedies
2015 TLX Failure Distribution by Vehicle Subsystem
Top Reported Problem Clusters (7)
Transmission Hesitation, Hard Shifting & Slipping Reports
- Hard gear shifts / delayed engagement into Drive/Reverse
- Transmission shudder / jerking under acceleration
- Transmission slipping between gears
“Car randomly goes into neutral and stays in neutral not allowing gear change”
“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”
“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 tha...”
Engine Stalling, Oil Consumption & Cooling Defect Reports
- Engine sudden stall / hesitation while driving
- Abnormal oil burning / consumption
- Check Engine Light (MIL) flashing
- Engine overheating / coolant loss
“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”
“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 ...”
“The contact owns a 2015 Acura TLX. The contact received notification of NHTSA Campaign Number: 23V751000 (Engine and Engine Cooling). The dealer was contacted several times for the recall repair; however, the dealer informed the contact that the part to do the recall repair wa...”
Electrical Parasitic Drain, Infotainment & Harness Reports
- Unexplained battery drain after sitting overnight
- Infotainment display / instrument cluster blackouts
- Accessory malfunction / alternator fault warnings
“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”
“The contact's client owns a 2015 Acura TLX. The contact stated while the client was driving 65 MPH, the vehicle shut down in the middle of traffic. There were no warning lights illuminated. The contact stated that the transmission failed to shift into drive or reverse. Additio...”
“EVERYTHING PREVIOUSLY REPORTED ( ON OTHER INCIDENTS REPORTS) HAPPENED WHILE MY DAUGHTER WAS DRIVING ON THE HIGHWAY! YOU NEED TO CORRECT THIS!!! ... NHTSA ID NUMBER: 11641522 Components: ELECTRICAL SYSTEM, EXTERIOR LIGHTING, VEHICLE SPEED CONTROL NHTSA ID Number: 11641522 Incid...”
Service Brakes, ABS Actuator & Master Cylinder Reports
- Spongy or hard brake pedal travel
- ABS / Brake warning light illuminated
- Extended stopping distance / pedal vibration
“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”
“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 ...”
“As I was driving my 2015 Acura TLX the status indicator on the dashboard started flashing all sort of messages, VSA, transmission, park, so on and so forth. Atleast 5-10 different messages displayed and all sorts of warning lights showed up. The vehicle then shifted to Neutral...”
Electric Power Steering Assist & Suspension Noise Reports
- Sudden loss of electric power steering assist
- Steering wheel pull or highway wander
- Clunking / knocking noise over bumps
“The vehicle is throwing a steering code of LSAK. The steering is being compromised as the vehicle cannot determine if it is being steered correctly or not. After researching this code, I have seen hundreds of other people so far complaining about the same code for this year, m...”
“The contact owns a 2015 Acura TLX. The contact stated while driving 70 MPH, the vehicle vibrated abnormally. The contact became aware that the front axle had detached from the vehicle. The dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer wa...”
“EVERYTHING PREVIOUSLY REPORTED ( ON OTHER INCIDENTS REPORTS) HAPPENED WHILE MY DAUGHTER WAS DRIVING ON THE HIGHWAY! YOU NEED TO CORRECT THIS!!! ... NHTSA ID NUMBER: 11641522 Components: ELECTRICAL SYSTEM, EXTERIOR LIGHTING, VEHICLE SPEED CONTROL NHTSA ID Number: 11641522 Incid...”
Fuel Pump Pressure Loss & Fuel Delivery Defect Reports
- Sudden loss of propulsion power at highway speeds
- Extended engine cranking / failure to restart
- Fuel odor near fuel tank / engine bay
“The contact owns a 2015 Acura TLX. The contact stated that while driving at various speeds the vehicle had suddenly began to shake and rattle and eventually stalled. The contact able to restart the vehicle and continued to drive. Over time the failure continued to occur more f...”
“The fuel delivery system, specifically the fuel pump, has malfunctioned. This vehicle is subject to a fuel pump safety recall, which was reportedly repaired in 2022; however, the vehicle continues to experience the same failure symptoms and is available for inspection upon req...”
“When the vehicle is running in driveway and I then get into it a few minutes later and drive around the corner, when coming to a stop it jerks as if it wants to stall. This happens when I am driving as well and slow down, it’ll jerk and push me forward a little and happens dai...”
Airbag Occupant Detection & Inflator Defect Reports
- SRS Airbag warning lamp illuminated
- Passenger occupant classification sensor failure
- Seat belt retractor lockup
“The fuel delivery system, specifically the fuel pump, has malfunctioned. This vehicle is subject to a fuel pump safety recall, which was reportedly repaired in 2022; however, the vehicle continues to experience the same failure symptoms and is available for inspection upon req...”
“My check airbag light came on. Also, when I'm driving, my car stalls in the middle of the road and is unable to move, and it keeps doing that. And it does not have a check engine light, but it keeps stalling.”
“On a number of occasions, a warning light came on stating "Passenger Airbag Off". Each time there was someone (usually my adult wife or daughter weighing 112lbs to $125lbs respectively) sitting in front seat in a correct position. The issue was first noticed about 2+ years ago...”
Official NHTSA Safety Recalls (6)
FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
Summary: Honda (American Honda Motor Co.) is recalling certain 2016-2018 Acura MDX, 2015-2019 Acura TLX and 2015-2017 Honda Accord vehicles, equipped with a 3.5L V6 engine. Particulates in fuel may adhere to the internal components of the fuel pump, reducing its performance.
POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
Summary: 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.
EQUIPMENT:OTHER:LABELS
Summary: American Honda Motor Co. (Honda) is recalling certain model year 2015 Acura TLX AWD vehicles manufactured August 26, 2014, to September 20, 2014. The affected vehicles may have incorrect values for the Gross Vehicle Weight Rating (GVWR) and Gross Axle Weight Rating (GAWR) front and rear printed on the safety certification label. As such, the vehicles do not conform to Part 567, "Certification."
POWER TRAIN:AUTOMATIC TRANSMISSION
Summary: 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.
ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL
Summary: Honda (American Honda Motor Co.) is recalling certain 2015-2020 Acura TLX, 2016-2020 Acura MDX, 2016 and 2018-2019 Pilot, 2017 and 2019 Ridgeline, and 2018-2019 Odyssey vehicles. Due to a manufacturing error, the connecting rod bearing in the engine may wear and seize, damaging the engine.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Summary: Honda (American Honda Motor Co.) is recalling certain 2013-2023 Honda Accord, Civic Coupe, Civic Sedan, Civic Hatchback, Civic Type R, CR-V, HR-V, Ridgeline, Odyssey, Acura ILX, MDX, MDX Hybrid, RDX, RLX, TLX, 2019-2022 Honda Insight, Passport, 2020 Honda CR-V Hybrid, 2018-2019 Honda Clarity PHEV, Fit, and 2015-2020 Honda Accord Hybrid, Pilot, Acura NSX vehicles. The fuel pump inside the fuel tank may fail.
Tools for Diagnosing the 2015 Acura TLX
Reads & clears all DTC codes including ABS, SRS, TPMS. Live sensor data with freeze frames. Works on all 1996+ vehicles.
Factory-spec ATF reduces shift shudder and slip caused by degraded or contaminated fluid.
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Pre-Purchase Inspection Checklist for 2015 Acura TLX
Before purchasing a used 2015 Acura TLX, perform the following targeted inspections based on reported federal defect patterns:
Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).
Test vehicle at low-speed stop-and-go and highway merges. Check for delayed reverse engagement or gear shift shudder between 2nd and 3rd gears.
Verify that all 6 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.
Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.
Defect & Reliability Q&A: 2015 Acura TLX
Is the 2015 Acura TLX a reliable used car?
The 2015 Acura TLX earns a 3.2/10 MazicBay Reliability Index based on 340 federal owner reports. Vehicles maintained under factory service schedules exhibit strong longevity past 150,000 miles.
What is the most frequent defect reported on the 2015 Acura TLX?
The leading complaint category is Transmission Hesitation, Hard Shifting & Slipping Reports, with a median failure point around 12,000 miles (IQR: 4,500 – 52,000 mi).
Are there free recall repairs available for the 2015 Acura TLX?
Yes, the NHTSA records 6 safety recall campaign(s) for this model year. All safety recalls are performed 100% free of charge by authorized franchise dealerships regardless of vehicle warranty status.