NHTSA FEDERAL EVIDENCE AUDITAudited: 2026-08-25

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.

Data Grade: HIGH31 Odometer Verified EntriesMethodology
Executive AI Defect Summary

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: 4,50052,000 mi). Out-of-warranty repairs benchmark at $1,400 – $3,800 .

2015 Acura TLXLuxury2015
DLC Port: Driver footwell below steering column

*Representative vehicle platform imagery. Body styling varies across generations.

MazicBay Reliability Index
3.2 / 10

170 complaints / 10k sold

NHTSA Owner Complaints
340

Verified US federal records

Safety Severity Grade
Critical Risk

Crash, fire & stall audit

Federal Safety Recalls
6

6 Active / Free Remedies

Switch TLX Model Year (2014–2025)
Defect Clustering

Top Reported Problem Clusters (7)

Ranked by NHTSA Complaint Frequency
#1 TRANSMISSION & DRIVETRAINCritical Severity87% Match Confidence

Transmission Hesitation, Hard Shifting & Slipping Reports

201
Federal Complaints
Failure Mileage (Median):12,000 milesIQR: 4,50052,000 mi
Estimated Repair Cost:$1,400 – $3,800 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA Campaign Audit
Reported Defect Symptoms
  • Hard gear shifts / delayed engagement into Drive/Reverse
  • Transmission shudder / jerking under acceleration
  • Transmission slipping between gears
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11744119 • Filed: 06/15/2026

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

ODI #11733172 • Filed: 04/23/2026

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

ODI #11708770 • Filed: 01/05/2026

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...

#2 ENGINE & COOLINGCritical Severity84% Match Confidence

Engine Stalling, Oil Consumption & Cooling Defect Reports

136
Federal Complaints
Failure Mileage (Median):39,650 milesIQR: 4,750106,953 mi
Estimated Repair Cost:$950 – $3,200 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA Campaign Audit
Reported Defect Symptoms
  • Engine sudden stall / hesitation while driving
  • Abnormal oil burning / consumption
  • Check Engine Light (MIL) flashing
  • Engine overheating / coolant loss
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11733172 • Filed: 04/23/2026

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

ODI #11724835 • Filed: 03/17/2026

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 ...

ODI #11709143 • Filed: 01/06/2026

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...

#3 ELECTRICAL SYSTEM & BATTERYCritical Severity86% Match Confidence

Electrical Parasitic Drain, Infotainment & Harness Reports

81
Federal Complaints
Failure Mileage (Median):104,500 milesIQR: 67,250141,750 mi
Estimated Repair Cost:$280 – $850 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA Campaign Audit
Reported Defect Symptoms
  • Unexplained battery drain after sitting overnight
  • Infotainment display / instrument cluster blackouts
  • Accessory malfunction / alternator fault warnings
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11733172 • Filed: 04/23/2026

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

ODI #11678154 • Filed: 08/04/2025

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...

ODI #11663635 • Filed: 05/29/2025

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...

#4 BRAKING SYSTEM & ABSCritical Severity71% Match Confidence

Service Brakes, ABS Actuator & Master Cylinder Reports

79
Federal Complaints
Failure Mileage (Median):30,000 milesIQR: 5,00036,526 mi
Estimated Repair Cost:$350 – $1,100 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA Campaign Audit
Reported Defect Symptoms
  • Spongy or hard brake pedal travel
  • ABS / Brake warning light illuminated
  • Extended stopping distance / pedal vibration
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11733172 • Filed: 04/23/2026

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

ODI #11724835 • Filed: 03/17/2026

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 ...

ODI #11682597 • Filed: 08/23/2025

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...

#5 STEERING & SUSPENSIONMedium Severity74% Match Confidence

Electric Power Steering Assist & Suspension Noise Reports

29
Federal Complaints
Failure Mileage (Median):32,000 milesIQR: 8,60065,000 mi
Estimated Repair Cost:$450 – $1,400 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Sudden loss of electric power steering assist
  • Steering wheel pull or highway wander
  • Clunking / knocking noise over bumps
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11721414 • Filed: 03/02/2026Odometer: 65,000 mi

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...

ODI #11670177 • Filed: 06/30/2025

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...

ODI #11663635 • Filed: 05/29/2025

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...

#6 FUEL SYSTEM & INJECTIONMedium Severity65% Match Confidence

Fuel Pump Pressure Loss & Fuel Delivery Defect Reports

14
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 mi
Estimated Repair Cost:$650 – $1,250 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Sudden loss of propulsion power at highway speeds
  • Extended engine cranking / failure to restart
  • Fuel odor near fuel tank / engine bay
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11737765 • Filed: 05/14/2026

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...

ODI #11704795 • Filed: 12/12/2025

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...

ODI #11590950 • Filed: 05/28/2024

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...

#7 AIRBAGS & SAFETY RESTRAINTSCritical Severity78% Match Confidence

Airbag Occupant Detection & Inflator Defect Reports

14
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 mi
Estimated Repair Cost:$400 – $1,200 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA Campaign Audit
Reported Defect Symptoms
  • SRS Airbag warning lamp illuminated
  • Passenger occupant classification sensor failure
  • Seat belt retractor lockup
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11704795 • Filed: 12/12/2025

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...

ODI #11541235 • Filed: 08/28/2023

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.

ODI #11446654 • Filed: 01/07/2022

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...

Safety Enforcement

Official NHTSA Safety Recalls (6)

100% Free Dealer Repair
NHTSA Campaign #19V060000Reported: 29/01/2019

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.

Safety Consequence: Reduced fuel pump performance can result in an engine stall, increasing the risk of crash.
Manufacturer Remedy: Honda will notify owners, and dealers will update the fuel injection engine control unit (FI-ECU) software and, if necessary, replace the fuel pump, free of charge. The recall began March 25, 2019. Owners may contact customer service at 1-888-234-2138. Acura's recall number for this recall is P3W. Honda's recall number for this recall is N3X.
NHTSA Campaign #16V640000Reported: 06/09/2016

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.

Safety Consequence: If the vehicle unexpectedly shifts to neutral, there is an increased risk of a crash.
Manufacturer Remedy: 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.
NHTSA Campaign #14V613000Reported: 01/10/2014

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."

Safety Consequence: If the vehicle is loaded to the specifications listed on the label, tire failure may result, increasing the risk of a crash.
Manufacturer Remedy: Honda will notify owners, and dealers will install a corrected certification label, free of charge. The recall is expected to begin on October 21, 2014. Owners may contact Honda customer service at 1-800-382-2238. Honda's number for this recall is JK6.
NHTSA Campaign #14V779000Reported: 08/12/2014

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.

Safety Consequence: If the shift indicator displays "Park" but the park lock does not engage, the vehicle may roll away increasing the risk of a crash.
Manufacturer Remedy: 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.
NHTSA Campaign #23V751000Reported: 13/11/2023

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.

Safety Consequence: A damaged engine may run improperly or stall while driving, increasing the risk of a fire, crash, or injury.
Manufacturer Remedy: Dealers will inspect and repair, or replace the engine as necessary, free of charge. Owner letters were mailed March 28, 2024. 2016-2017 Acura MDX owner letters were mailed November 1, 2024. 2016-2020 Acura MDX owner letters are expected to be mailed in mid-December 2024. Honda began mailing owner notification letters as of March 18, 2024. 2015-2016 Acura owner letters are expected to be mailed mid-December 2024, 2018 Acura TLX owner letters are expected to be mailed the end of March/early April 2024, 2019 Acura TLX owner letters are expected to be mailed mid-May 2024, 2020 Acura TLX owner letters are expected to be mailed mid-June 2024, and 2016-2020 Acura MDX owner letters are expected to be mailed January 27, 2025. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for these recalls are XG1 and GG0.
NHTSA Campaign #23V858000Reported: 18/12/2023

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.

Safety Consequence: Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
Manufacturer Remedy: Dealers will replace the fuel pump module, free of charge. Owner letters were mailed September 6, 2024. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are KGC and KGD. This recall is an expansion of NHTSA recall numbers 21V-215 and 20V-314.

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:

1. Cold Start & Idle Diagnostics

Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).

2. Transmission Shift Quality Audit

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.

3. Federal Recall Completion Check

Verify that all 6 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.

4. Electrical & Infotainment Drain Check

Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.

Frequently Answered Questions

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: 4,50052,000 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.