NHTSA FEDERAL EVIDENCE AUDITAudited: 2026-08-24

2023 Toyota Highlander Common Problems & Defect Telemetry

Authoritative defect intelligence synthesized from 173 verified NHTSA owner complaints, 9 federal safety recalls, and interquartile failure mileage telemetry.

Data Grade: HIGH20 Odometer Verified EntriesMethodology
Executive AI Defect Summary

The 2023 Toyota Highlander receives a 5.5/10 MazicBay Reliability Index based on 173 verified NHTSA federal complaints and 9 safety recalls. The primary reported failure mode is Engine Stalling, Oil Consumption & Cooling Defect Reports with a median failure point at 5,000 miles (IQR: 2,7508,600 mi). Out-of-warranty repairs benchmark at $950 – $3,200 .

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
5.5 / 10

7.9 complaints / 10k sold

NHTSA Owner Complaints
173

Verified US federal records

Safety Severity Grade
Critical Risk

Crash, fire & stall audit

Federal Safety Recalls
9

9 Active / Free Remedies

Switch Highlander Model Year (2014–2025)
Defect Clustering

Top Reported Problem Clusters (7)

Ranked by NHTSA Complaint Frequency
#1 ENGINE & COOLINGCritical Severity86% Match Confidence

Engine Stalling, Oil Consumption & Cooling Defect Reports

31
Federal Complaints
Failure Mileage (Median):5,000 milesIQR: 2,7508,600 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 #11736031 • Filed: 05/06/2026

The contact owns a 2023 Toyota Highlander. The contact stated that while driving at lower speeds, pulling into an uphill driveway, the vehicle had independently accelerated while the accelerator pedal was depressed. In addition, the contact stated that she was not able to depr...

ODI #11669632 • Filed: 06/27/2025

weather conditions were severe due to a snowstorm, causing ice buildup on the road, low visibility, and slippery pavement. Despite driving cautiously, I lost control of the vehicle, which resulted in going off the road, down an embankment, and crashing into a tree. Immediately...

ODI #11661996 • Filed: 05/19/2025

We live on a farm so the fact there is rodents is no surprise. However strangest thing is the knock sensor harness has been chewed completely off two times in last two months.. when this happens it causes power loss. With the extra shielding the wire has tells me it gives off ...

#2 BRAKING SYSTEM & ABSCritical Severity80% Match Confidence

Service Brakes, ABS Actuator & Master Cylinder Reports

25
Federal Complaints
Failure Mileage (Median):36,000 milesIQR: 27,00036,000 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 #11754929 • Filed: 08/05/2026

2023 Toyota Highlander Hybrid Regenerative Brake Transition loss of brake pad pressure resulting in acceleration of the vehicle under downhill conditions. Have momentarily experienced the loss of braking frequently during braking when going downhill. This results in the vehicl...

ODI #11743593 • Filed: 06/11/2026

When applying brake, in sporadic and unpredictable circumstances, the vehicle seems to switch from regenerative braking to brake pump braking. During this switch, braking power is lost completely. The vehicle was inspected by the Dealer, they stated no issues found / unable to...

ODI #11739463 • Filed: 05/22/2026Odometer: 18,000 mi

The brakes on this vehicle disengage and re-engage at will during braking. There are no indications of when it will occur. Brakes will disengage during low and high-speed braking, braking while going uphill, downhill, on flat roadway or during turns. This has resulted in sever...

#3 AIRBAGS & SAFETY RESTRAINTSCritical Severity75% Match Confidence

Airbag Occupant Detection & Inflator Defect Reports

23
Federal Complaints
Failure Mileage (Median):32,000 milesIQR: 18,00046,000 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 #11752111 • Filed: 07/22/2026

I WAS IN A HEAD ON COLLISION AND SEAT BELT DIDN'T HOLD ME IN PLACE AND AIRBAG DID NOT DEPLOY. I HIT THE STEERING WHEEL.

ODI #11744469 • Filed: 06/16/2026Odometer: 60,000 mi

This 2023 Toyota Highlander XLE AWD has a recurring gasoline/fuel odor that began while the vehicle was still within the basic warranty period. The concern was reported to Toyota/dealer multiple times. At first, the odor was intermittent and difficult to duplicate, but the pro...

ODI #11735183 • Filed: 05/01/2026

Received a safety recall stating "Seat Back Reclinging Assembly May Not Securely Lock". Based on this information, it goes on to state that "a seat back that has not been secured in a locked position may fail to properly restrain occupants, increasing the risk of injury in the...

#4 TRANSMISSION & DRIVETRAINMedium Severity84% Match Confidence

Transmission Hesitation, Hard Shifting & Slipping Reports

21
Federal Complaints
Failure Mileage (Median):5,200 milesIQR: 2,00063,019 mi
Estimated Repair Cost:$1,400 – $3,800 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA 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 #11755981 • Filed: 08/10/2026Odometer: 77,015 mi

I have a 2023 Toyota Highlander XSE with 77,015 miles on it. Last week we noticed that when pushing on the gas pedel to accelerate that the car started making a terrible whinning noise that did not go away. i scheduled a service call with dealership i purchased it from and whe...

ODI #11753668 • Filed: 07/30/2026

The transmission developed hesitations at take off, a whine at low speeds and over time got louder. Diagnosis by the dealer confirmed yet another bad eight speed transmission failure. This vehicle has 41K miles.

ODI #11741497 • Filed: 06/02/2026

My 2023 Toyota Highlander was experiencing a high pitch whiny noise when accelerating. I looked up on line and saw that this could be a failing transmission issue. I took it into the Toyota Dealership , 6321 West Canal Drive, Kennewick, WA 99336. They confirmed my concerns. Th...

#5 ELECTRICAL SYSTEM & BATTERYMedium Severity77% Match Confidence

Electrical Parasitic Drain, Infotainment & Harness Reports

19
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 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 #11744416 • Filed: 06/16/2026

My 2023 Toyota Highlander was grounded by the dealership on 4/30/26 due to safety recall 26TB06 (NHTSA Campaign 26V128) regarding a defective 2nd row seat back latch. The vehicle has been sitting un-remedied on the dealer lot for over 47 consecutive days. The dealership state ...

ODI #11735118 • Filed: 05/01/2026

The contact owns a 2023 Toyota Highlander. The contact stated that the instrument panel had been inoperable for approximately 5 months. The contact received notification of NHTSA Campaign Number: 25V595000 (ELECTRICAL SYSTEM); however, the part to do the recall repair was not ...

ODI #11722574 • Filed: 03/06/2026

I bought this vehicle new in March 2024. I normally use Apple CarPlay for music and more importantly maps. Approximately 1 year after purchase, I was driving along and all of a sudden a new screen appeared with a keyboard requesting that I sign in with my email address. To cle...

#6 STEERING & SUSPENSIONCritical Severity65% Match Confidence

Electric Power Steering Assist & Suspension Noise Reports

11
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 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 #11752111 • Filed: 07/22/2026

I WAS IN A HEAD ON COLLISION AND SEAT BELT DIDN'T HOLD ME IN PLACE AND AIRBAG DID NOT DEPLOY. I HIT THE STEERING WHEEL.

ODI #11699809 • Filed: 11/17/2025

My 2023 Toyota Highlander has had an issue where the steering wheel and brake pedal vibrate when braking at around 25 mph and higher. The car will also vibrate. This happens on the highway mainly but also on 25+ speed zones in residential areas. I have taken my car for regular...

ODI #11699061 • Filed: 11/12/2025

Tailgate struts failed within 2k miles of the 3/36k warranty. Even with the power back door feature "off", the struts are not simply converted to normal manual hydraulics. To lift the gate and close the gate it takes significant effort and I injured my shoulder while trying to...

#7 FUEL SYSTEM & INJECTIONLow Severity69% Match Confidence

Fuel Pump Pressure Loss & Fuel Delivery Defect Reports

2
Federal Complaints
Failure Mileage (Median):60,000 milesIQR: 60,00060,000 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 (2)
ODI #11744469 • Filed: 06/16/2026Odometer: 60,000 mi

This 2023 Toyota Highlander XLE AWD has a recurring gasoline/fuel odor that began while the vehicle was still within the basic warranty period. The concern was reported to Toyota/dealer multiple times. At first, the odor was intermittent and difficult to duplicate, but the pro...

ODI #11619170 • Filed: 10/10/2024

The contact owns a 2023 Toyota Highlander. The contact stated that while operating the vehicle, the odor of gasoline was present inside and outside of the vehicle. The contact indicated that the failure had occurred intermittently after refueling the vehicle on extremely hot d...

Safety Enforcement

Official NHTSA Safety Recalls (9)

100% Free Dealer Repair
NHTSA Campaign #23V480000Reported: 12/07/2023

STEERING:COLUMN

Summary: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2023 Corolla, Corolla Cross, Corolla Cross Hybrid, Highlander, Highlander Hybrid, Tacoma, 2023 Lexus RX350, RX350 Hybrid, RX500 Hybrid, 2023-2024 Lexus NX250, NX350, and NX350 Hybrid vehicles. An electrical connection inside the steering column's spiral cable assembly may be insufficiently welded, causing the connection to separate and deactivate the driver's air bag. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."

Safety Consequence: A deactivated driver's air bag that does not deploy as intended increases the risk of injury during a crash.
Manufacturer Remedy: Dealers will inspect and replace the spiral cable assembly, if necessary, free of charge. Owner notification letters were mailed September 8, 2023. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's number for this recall is 23TA08. Lexus' number for this recall is 23LA02.
NHTSA Campaign #23V720000Reported: 26/10/2023

STRUCTURE:BODY:BUMPERS

Summary: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2020-2023 Highlander & Highlander Hybrid vehicles. During normal vehicle operation, minor impact to the front lower bumper cover may result in the cover coming loose or detaching.

Safety Consequence: A detached front bumper cover can become a road hazard, increasing the risk of a crash.
Manufacturer Remedy: Dealers will repair or replace the upper and lower front bumper covers as necessary, free of charge. Owner letters were mailed April 22, 2024. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is 23TB12/23TA12.
NHTSA Campaign #24V419000Reported: 06/06/2024

TIRES

Summary: Gulf States Toyota, Inc. (GST) is recalling certain 2022-2024 model year Highlander L and Highlander LE vehicles equipped with the Blackout Package that includes 20" black alloy wheels and tires. The installed tires have an insufficient load rating. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 110, "Tire Selection and Rims."

Safety Consequence: Tires with an insufficient load rating may be overloaded and fail, increasing the risk of a crash.
Manufacturer Remedy: GST will inspect and replace the tires as necessary, and install a new tire information label as necessary, free of charge. Owner notification letters were mailed August 8, 2024. Owners may contact GST customer service at 1-800-444-1074. GST's number for this recall is 24R1.
NHTSA Campaign #24V452000Reported: 18/06/2024

TIRES

Summary: Southeast Toyota Distributors, LLC (SET) is recalling certain 2021-2024 Highlander vehicles. The 20-inch accessory tires with an insufficient load rating for the vehicle's Gross Axle Weight Rating (GAWR) were installed. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 110, "Tire Selection and Rims."

Safety Consequence: Tires with an insufficient load rating can be overloaded and fail, increasing the risk of a crash.
Manufacturer Remedy: SET will inspect and replace the tires and information placard, as necessary free of charge. Owner notification letters were mailed August 16, 2024. Owners may contact SET's customer service at 1-866-405-4226. SET's number for this recall is SET24A.
NHTSA Campaign #24V548000Reported: 23/07/2024

EQUIPMENT:OTHER:LABELS

Summary: Gulf States Toyota, Inc. (GST) is recalling certain Toyota 2023 GR Supra, 2024 4 Runner, Corolla, Grand Highlander, Grand Highlander Hybrid, Land Cruiser Hybrid, Tacoma, Tacoma Hybrid, 2023-2024 BZ4X, Corolla Cross Hybrid, GR Corolla, GR86, Highlander, Highlander Hybrid, Prius, Prius Prime, Sequoia Hybrid, Tundra, Tundra Hybrid, Venza Hybrid, 2023-2025 Crown, and 2025 Camry Hybrid vehicles equipped with GST accessories. The load carrying capacity modification label may display inaccurate added weight values. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 110, "Tire Selection and Rims."

Safety Consequence: A vehicle with an incorrect maximum capacity weight value may be overloaded, which can increase the risk of a crash.
Manufacturer Remedy: GST will mail new labels to owners, free of charge. Owner notification letters were mailed September 16, 2024. Owners may contact GST customer service at 1-800-444-1074. GST's number for this recall is 24R2.
NHTSA Campaign #25V040000Reported: 29/01/2025

STEERING:COLUMN

Summary: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2023 Toyota Corolla, Corolla Cross, Corolla Cross Hybrid, Highlander, Highlander Hybrid, Tacoma, Lexus RX350, 2023-2024 NX250, and NX350 vehicles that may have been incorrectly repaired under previous NHTSA recall number 23V-480. An electrical connection inside the steering column's spiral cable assembly may be insufficiently welded, causing the connection to separate and deactivate the driver's air bag. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."

Safety Consequence: A deactivated driver's air bag will not deploy as intended, increasing the risk of injury during a crash.
Manufacturer Remedy: Dealers will inspect and replace the spiral cable assembly as necessary, free of charge. Owner notification letters were mailed March 17, 2025. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's number for this recall is 25TA02. Lexus' number for this recall is 25LA02.
NHTSA Campaign #25V595000Reported: 11/09/2025

ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

Summary: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2023-2024 Toyota Venza, 2023-2025 RAV4 Prime, RAV4, Highlander, GR Corolla, Crown, 2024-2025 Lexus TX, LS, Toyota Tacoma, Grand Highlander, and 2025 Lexus RX, Toyota Crown Signia, Camry, RAV 4 Plug-in Hybrid (PHEV), and 4 Runner vehicles. Due to an error in the instrument panel software at vehicle startup, the instrument panel may fail to display vehicle speed, brake system, and tire pressure warning lights.

Safety Consequence: An instrument panel display that does not show critical information can increase the risk of a crash or injury.
Manufacturer Remedy: Dealers will update the instrument panel software over-the-air (OTA) for non-PHEV vehicles, free of charge. For PHEV vehicles, dealers will inspect the instrument panel assembly, and either replace it, or update the software, free of charge. Owner letters were mailed December 5, 2025. Additional letters will be sent, anticipated in May 2026. This is a phased recall. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's numbers for this recall are 25TB08 and 25TA08. Lexus' numbers for this recall are 25LB05 and 25LA05.
NHTSA Campaign #25V744000Reported: 30/10/2025

BACK OVER PREVENTION:DISPLAY FUNCTION

Summary: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2022-2026 Toyota, Lexus, and Subaru Solterra vehicles equipped with a Panoramic View Monitor (PVM) system. Please see the recall report for a complete list of models. A software error may cause the rearview camera to freeze or display a blank screen when the vehicle is in reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."

Safety Consequence: A rearview camera that fails to display an image can reduce the driver's view behind the vehicle, increasing the risk of a crash.
Manufacturer Remedy: Dealers will update the parking assist software, free of charge. Owner letters were mailed January 2, 2026. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's numbers for this recall are 25TB13 and 25LB06. Subaru's number for this recall is WRE25.
NHTSA Campaign #26V128000Reported: 05/03/2026

SEATS:MID/REAR ASSEMBLY:RECLINER

Summary: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2021-2024 Highlander and Highlander Hybrid vehicles. The second-row seat backs may fail to lock into position during seat back adjustment.

Safety Consequence: A seat back that fails to lock may not properly restrain an occupant during a crash, increasing the risk of injury.
Manufacturer Remedy: Dealers will replace the return springs in the seat back recliner assemblies, free of charge. Interim letters notifying owners of the safety risk were mailed April 27, 2026. Additional letters will be sent once the final remedy is available, anticipated August 27, 2026. This is a phased recall. Owners may contact Toyota’s customer service at 1-800-331-4331. Toyota's numbers for this recall are 26TB06 and 26TA06.

Pre-Purchase Inspection Checklist for 2023 Toyota Highlander

Before purchasing a used 2023 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 9 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: 2023 Toyota Highlander

Is the 2023 Toyota Highlander a reliable used car?

The 2023 Toyota Highlander earns a 5.5/10 MazicBay Reliability Index based on 173 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 2023 Toyota Highlander?

The leading complaint category is Engine Stalling, Oil Consumption & Cooling Defect Reports, with a median failure point around 5,000 miles (IQR: 2,7508,600 mi).

Are there free recall repairs available for the 2023 Toyota Highlander?

Yes, the NHTSA records 9 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.