NHTSA FEDERAL EVIDENCE AUDITAudited: 2026-08-24

2015 Toyota Highlander Common Problems & Defect Telemetry

Authoritative defect intelligence synthesized from 189 verified NHTSA owner complaints, 2 federal safety recalls, and interquartile failure mileage telemetry.

Data Grade: HIGH8 Odometer Verified EntriesMethodology
Executive AI Defect Summary

The 2015 Toyota Highlander receives a 6.2/10 MazicBay Reliability Index based on 189 verified NHTSA federal complaints and 2 safety recalls. The primary reported failure mode is Electrical Parasitic Drain, Infotainment & Harness Reports with a median failure point at 33,000 miles (IQR: 33,00033,000 mi). Out-of-warranty repairs benchmark at $280 – $850 .

Toyota Highlander PlatformToyota Highlander Series
DLC Port: Under driver steering column near kick panel

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

MazicBay Reliability Index
6.2 / 10

8.6 complaints / 10k sold

NHTSA Owner Complaints
189

Verified US federal records

Safety Severity Grade
Critical Risk

Crash, fire & stall audit

Federal Safety Recalls
2

2 Active / Free Remedies

Switch Highlander Model Year (2014–2025)
Defect Clustering

Top Reported Problem Clusters (7)

Ranked by NHTSA Complaint Frequency
#1 ELECTRICAL SYSTEM & BATTERYCritical Severity88% Match Confidence

Electrical Parasitic Drain, Infotainment & Harness Reports

59
Federal Complaints
Failure Mileage (Median):33,000 milesIQR: 33,00033,000 mi
Estimated Repair Cost:$280 – $850 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA 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 #11750990 • Filed: 07/17/2026

The contact owns a 2015 Toyota Highlander. The contact stated that the power liftgate consistently failed halfway through while opening and closing the liftgate. The vehicle was not taken to the dealer. The vehicle was not diagnosed or repaired. The contact became aware of inf...

ODI #11741329 • Filed: 06/01/2026

The contact owns a 2015 Toyota Highlander. The contact stated that while driving on several occasions at various speeds, the infotainment screen would go blank and the system would turn on inadvertently. This issue became more frequent, occurring approximately every 10 seconds...

ODI #11736019 • Filed: 05/06/2026

Door lock actuators, yes it is available for inspection. Doors cannot be locked or unlocked with a remote key fob or the interior power door locks. Lock defect poses a significant safety hazard in that a single or multiple doors may not lock at any time, whether the vehicle is...

#2 STEERING & SUSPENSIONCritical Severity81% Match Confidence

Electric Power Steering Assist & Suspension Noise Reports

37
Federal Complaints
Failure Mileage (Median):17,750 milesIQR: 10,12525,375 mi
Estimated Repair Cost:$450 – $1,400 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA 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 #11741329 • Filed: 06/01/2026

The contact owns a 2015 Toyota Highlander. The contact stated that while driving on several occasions at various speeds, the infotainment screen would go blank and the system would turn on inadvertently. This issue became more frequent, occurring approximately every 10 seconds...

ODI #11721079 • Filed: 02/27/2026

The side mirrors are too large and located in a position that when the driver is turning left the driver's side mirror blocks the ability to see the crosswalk and also the center divider of the lane they are turning into and has almost caused me to strike a center divider and ...

ODI #11713615 • Filed: 01/27/2026

... battery light appeared on dash. ... on my way to Limestone service station 399 Danbury rd Ridgefield ct ph[PHONE] a warning appeared on dash stating i will lose steering.Luckily I managed to pull into a parking lot and lost all ability to steer. Thank God i was not on the ...

#3 BRAKING SYSTEM & ABSCritical Severity77% Match Confidence

Service Brakes, ABS Actuator & Master Cylinder Reports

26
Federal Complaints
Failure Mileage (Median):35,000 milesIQR: 18,75040,000 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 #11671284 • Filed: 07/04/2025

I have noticed speed issues or high idling with this vehicle for a while. I committed a rear end collision with a vehicle on July 4, 2025, at approximately 2pm. My car rear ended his truck while it was stopped behind another vehicle. My vehicle sustained total damage to the fr...

ODI #11574819 • Filed: 03/01/2024

My Highlander had a strange burning smell and we couldn’t find where it was coming from. We took it to a shop where they checked everything over and suggested that the smell was our brakes. They lubricated the brakes and replaced my tires and struts. When I went to pick up the...

ODI #11497653 • Filed: 12/15/2022

The contact owns a 2015 Toyota Highlander. The contact stated while driving at 30 MPH, the vehicle accelerated without any warning at high speed. The contact desperately depressed the brake pedal, but the vehicle would not stop, causing the vehicle to drive into traffic and st...

#4 ENGINE & COOLINGCritical Severity75% Match Confidence

Engine Stalling, Oil Consumption & Cooling Defect Reports

22
Federal Complaints
Failure Mileage (Median):33,000 milesIQR: 33,00033,000 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 #11713615 • Filed: 01/27/2026

... battery light appeared on dash. ... on my way to Limestone service station 399 Danbury rd Ridgefield ct ph[PHONE] a warning appeared on dash stating i will lose steering.Luckily I managed to pull into a parking lot and lost all ability to steer. Thank God i was not on the ...

ODI #11671284 • Filed: 07/04/2025

I have noticed speed issues or high idling with this vehicle for a while. I committed a rear end collision with a vehicle on July 4, 2025, at approximately 2pm. My car rear ended his truck while it was stopped behind another vehicle. My vehicle sustained total damage to the fr...

ODI #11630266 • Filed: 12/12/2024

Driving to take my son to work. Check engine light came on said check and system. Hard shifting put in manual drive and made it to destination.

#5 AIRBAGS & SAFETY RESTRAINTSCritical Severity73% Match Confidence

Airbag Occupant Detection & Inflator Defect Reports

17
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 #11736019 • Filed: 05/06/2026

Door lock actuators, yes it is available for inspection. Doors cannot be locked or unlocked with a remote key fob or the interior power door locks. Lock defect poses a significant safety hazard in that a single or multiple doors may not lock at any time, whether the vehicle is...

ODI #11704027 • Filed: 12/09/2025

When right front pax sits in seat and fastens seatbelt, the airbag indicator correctly says "ON." But after a few minutes, the airbag turns "OFF" and the driver's dash gets an "unfastened seatbelt" warning and a "faulty airbag" warning. All of these occur while the front right...

ODI #11527077 • Filed: 06/14/2023

Water leak at sun roof caused by rubber seal failure in sun roof frame due to faulty material and or installation. Water damage to side air bag so tat it does not deploy properly & is a safety hazard. Mold carpet which is a health hazard & impedes drivers ability to drive.

#6 TRANSMISSION & DRIVETRAINCritical Severity79% Match Confidence

Transmission Hesitation, Hard Shifting & Slipping Reports

10
Federal Complaints
Failure Mileage (Median):167,361 milesIQR: 167,361167,361 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 #11630266 • Filed: 12/12/2024

Driving to take my son to work. Check engine light came on said check and system. Hard shifting put in manual drive and made it to destination.

ODI #11593320 • Filed: 06/09/2024Odometer: 167,361 mi

Upon being reviewed the rear U Joint was loose & needed replaced @ 167,361 miles.

ODI #11505693 • Filed: 02/05/2023

On the Freeway off ramp, during the slow down- and down shifting-process the vehicle appeared to block the wheels and to skid for a short time. Also, the vibration feature that indicates loss of traction got activated for that time and the “slip indicator” warning light lit up...

#7 FUEL SYSTEM & INJECTIONLow Severity65% Match Confidence

Fuel Pump Pressure Loss & Fuel Delivery Defect Reports

1
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 (1)
ODI #10664203 • Filed: 12/15/2014

I PARKED MY CAR IN THE GARAGE AND SEVERAL HOURS LATER I HAPPENED TO NEED SOMETHING OUT THERE. WHEN I ENTERED I HEARD AN ELECTRIC MOTOR RUNNING EVEN THOUGH THE CAR HAD BEEN TURNED OFF FOR SEVERAL HOURS. CRAWLING UNDER THE CAR I FOUND THAT THE SOUND WAS COMMING FROM A MOTOR NEAR...

Safety Enforcement

Official NHTSA Safety Recalls (2)

100% Free Dealer Repair
NHTSA Campaign #18E107000Reported: 27/11/2018

ELECTRICAL SYSTEM

Summary: Fujian Wanda Automobile Glass Industry (Wanda) is recalling certain aftermarket Replacement Windshields sold for use in 2014-2018 Toyota Highlander vehicles. The windshields have an attached wire harness that water may leak into, possibly causing damage to the vehicle's Engine Control Module (ECM).

Safety Consequence: The ECM damage may result in the engine stalling, increasing the risk of a crash.
Manufacturer Remedy: Wanda will notify owners, and service centers will replace the windshields, and inspect the ECM for damage, having it replaced, as necessary, free of charge. The recall began January 29, 2019. Owners may contact Wanda customer service at 1-864-281-2760.
NHTSA Campaign #15V144000Reported: 13/03/2015

STEERING:ELECTRIC POWER ASSIST SYSTEM

Summary: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain model year 2015 Camry, Camry Hybrid, Highlander, and Highlander Hybrid, and 2014-2015 Rav4 vehicles. A component of the electric power steering (EPS) electronic control unit (ECU) may have been damaged during the manufacturing process. Over time, this damage may result in failure of the electric power steering system.

Safety Consequence: An unexpected loss of power steering increases the risk of a crash.
Manufacturer Remedy: Toyota will notify owners, and dealers will inspect the serial number of the EPS ECU or steering column assembly. If the number is within the affected range, the EPS ECU will be replaced, free of charge. The recall began on May 7, 2015. Owners may contact Toyota customer service at 1-800-331-4331.

Pre-Purchase Inspection Checklist for 2015 Toyota Highlander

Before purchasing a used 2015 Toyota Highlander, 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 2 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 Toyota Highlander

Is the 2015 Toyota Highlander a reliable used car?

The 2015 Toyota Highlander earns a 6.2/10 MazicBay Reliability Index based on 189 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 Toyota Highlander?

The leading complaint category is Electrical Parasitic Drain, Infotainment & Harness Reports, with a median failure point around 33,000 miles (IQR: 33,00033,000 mi).

Are there free recall repairs available for the 2015 Toyota Highlander?

Yes, the NHTSA records 2 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.