Is the 2006 Toyota Highlander Hybrid a bad year?
370 owner complaints to NHTSA. Engine complaints: 52, 5.2× a quiet Highlander Hybrid year.
Keep it, but watch the engine
The engine draws 5.2× the complaints of a quiet Highlander Hybrid year, spread over 61k–134k miles, so there's no single mileage to plan around.
The verdict moves with mileage: the same car reads differently at 30,000 and at 150,000 miles.
What 2006 Highlander Hybrid owners report, by mileage
Each system owners named in five or more complaints, with the mileage range where the middle half of those complaints were filed. Read at 105,000 miles.
| SYSTEM | COMPLAINTS | MIDDLE HALF FILED AT | TYPICAL US REPAIR BILLS |
|---|---|---|---|
| BrakesSTANDS OUT | 137 (37%) | 50k–150k miles · around this mileage | Brake pad replacement (one axle) $115–$390 · Brake pads and rotors replacement (one axle) $200–$1,084 |
| Electrical systemSTANDS OUT | 74 (20%) | 80k–139k miles · around this mileage | 12-volt battery replacement $100–$400 · Starter motor replacement $350–$1,200 |
| EngineSTANDS OUT | 52 (14%) | 61k–134k miles · around this mileage | Valve cover gasket replacement $110–$500 · Timing chain replacement $1,000–$4,000 |
| Hybrid systemSTANDS OUT | 45 (12%) | 70k–135k miles · around this mileage | — |
| Speed control | 33 (9%) | 35k–119k miles · around this mileage | — |
| Steering | 25 (7%) | 48k–117k miles · around this mileage | Steering rack and pinion replacement $700–$2,100 |
| Stability control | 24 (6%) | 90k–170k miles · around this mileage | — |
| Transmission and drivetrain | 19 (5%) | 54k–125k miles · around this mileage | CV axle / CV joint replacement (one side) $300–$1,500 · Automatic transmission replacement $2,500–$7,000 |
| Exterior lighting | 15 (4%) | too few with a mileage | — |
| Visibility and wipers | 10 (3%) | too few with a mileage | — |
| Air bags | 9 (2%) | too few with a mileage | — |
| Fuel system | 8 (2%) | too few with a mileage | — |
Bills are typical US ranges from the sources named in the tool (J.D. Power, Kelley Blue Book, CarParts.com and others), printed only for systems that stand out or sit at or ahead of 105,000 miles. Not a quote.
What owners reported alongside their complaints
Of 370 complaints: 34 mention a crash · 7 mention a fire · 6 report an injury · 4 say the car was towed.
1 complaint was filed in the last 12 months, the newest in Jan 2026.
Counts of what owners wrote in their complaints, not verified by anyone.
In owners' own words
We were driving on the nj turnpike. Suddenly, the car stalled and the steering locked. Luckily, we just started the hour long drive and were on the slow lane and was able to glide the car over safely to the shoulder.
My wife was driving our 2006 Toyota highlander hybrid on a turnpike. As she drove on exit ramp the car lost power and warning lights signaled a problem with hybrid system.
The case was stopped and placed in parking when the vehicle started moving forward at about 3 mph.
Unedited excerpts from complaints filed with NHTSA, chosen by mileage (nearest 105,000 miles), not by content. Unverified.
Recalls for the 2006 Toyota Highlander Hybrid: 6
The Intelligent Power Module (IPM) inside the inverter module may contain transistors that have higher operating temperatures than the solder can support and the transistors may be heat damaged by the solder. The vehicle may enter a fail-safe/limp-home mode that limits the drivability of the vehicle.
The amount of adhesive agent applied between the outer ring and the torsional rubber damper (Inner ring) in the crankshaft pulley may be inadequate. In some cases, the belt for the power steering pump may become detached from the pulley which could result in a loss of power steering and a sudden increase in steering effort, increasing the risk of a crash.
A module inside the inverter module may contain inadequately soldered transistors that during high-load driving, may be damaged by heat caused by the large current. The vehicle may enter a fail-safe/limp-home mode that limits the drivability of the vehicle.
If the forward retention clip used to secure the floor carpet cover, which is located in front of the center console, is not installed properly the cover may lean toward the accelerator pedal and interfere with the accelerator pedal arm. If this occurs, the accelerator pedal may temporarily become stuck in a partially depressed position rather than return to the idle position.
These vehicles were not equipped with load carrying capacity modification labels which fails to conform with the requirements of federal motor vehicle safety standard no. 110, "Tire selection and rims." Incorrect load carrying capacity modification labels could result in the vehicle being overloaded, increasing the risk of a crash.
On certain sport utility and hybrid vehicles, the two retaining clips for the driver's side forward center console can become loose. If both clips separate from the floor carpet cover, the cover may lean toward the accelerator pedal, causing interference with the accelerator pedal rod. This condition may interfere with the accelerator pedal returning to the idle position increasing the risk of a crash.
A recall may cover only some cars of a model year; the campaign size counts every model and year it lists. Enter your VIN at nhtsa.gov/recalls: dealers fix open recalls free.
Service bulletins from Toyota: 45
Repair instructions Toyota sent its dealers for symptoms seen in the shop on the 2006 Toyota Highlander Hybrid. Ask a dealer or mechanic for a bulletin by its number.
Some vehicles may exhibit a MIL ON condition with Diagnostic Trouble Codes (DTCs) P0A80/P1AC000 and/or P0A7F/P1A8000 stored due to dust or debris buildup…
The vehicle may be difficult to start or have an abnormally low or rough idle after the battery has been disconnected or power to the engine ECM has been…
Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels…
Some customers may encounter Bluetooth connectivity concerns
NHTSA defect investigations: 3
Pedestrian alert sounds
Hybrid inverter failure - vehicle stall
Unintended and Uncontrolled Acceleration
Neighbouring years
2007 Highlander Hybrid: 110 complaints, keep it.
Every Toyota Highlander Hybrid year
2005 · 2006 · 2007 · 2008 · 2009 · 2010 · 2011 · 2012 · 2013 · 2014 · 2015 · 2016 · 2017 · 2018 · 2019 · 2020 · 2021 · 2022 · 2023 · All Highlander Hybrid years side by side
Other Toyota models: Toyota 4Runner · Toyota Avalon · Toyota C-HR · Toyota Camry · Toyota Camry Hybrid · Toyota Camry Solara · Toyota Celica · Toyota Corolla · Toyota Corolla Cross · Toyota Corolla Matrix · Toyota Echo · Toyota FJ Cruiser · Toyota Grand Highlander · Toyota Highlander · Toyota Matrix · Toyota Prius · Toyota Prius c · Toyota Prius v · Toyota RAV4 · Toyota RAV4 Hybrid · Toyota RAV4 Prime · Toyota Sequoia · Toyota Sienna · Toyota Sienna Hybrid · Toyota Tacoma · Toyota Tundra · Toyota Venza · Toyota Venza Hybrid · Toyota Yaris. All makes and models.
Questions
Is the 2006 Toyota Highlander Hybrid a bad year?
370 owner complaints to NHTSA. Engine complaints: 52, 5.2× a quiet Highlander Hybrid year. At 105,000 miles the tool says: Keep it, but watch the engine. The engine draws 5.2× the complaints of a quiet Highlander Hybrid year, spread over 61k–134k miles, so there's no single mileage to plan around.
What are the most common problems with the 2006 Toyota Highlander Hybrid?
By owner complaints to NHTSA: brakes (137), electrical system (74), engine (52), hybrid system (45), speed control (33). Half of the engine complaints were filed between 61k–134k miles.
How many recalls does the 2006 Toyota Highlander Hybrid have?
6 recall campaigns list this model year: Hybrid system (NHTSA 13V-396), Engine (NHTSA 11V-539), Electrical system (NHTSA 11V-342), Speed control (NHTSA 11V-112) and more. A recall may cover only some cars; check by VIN at nhtsa.gov/recalls.
Method: counts of unverified owner complaints filed with NHTSA, compared only with other years of the same model (sales volumes are unknown, so no failure rate is computed). A system stands out at 40+ complaints and at least twice the model's quiet (lower-quartile) year, or twice the share across every vehicle of that model year. The mileage range is the 25th to 75th percentile of the mileages owners reported. Data received by NHTSA through November 5, 2026. Repair prices are typical US ranges from named sources, not quotes. Not a diagnosis and not financial advice. PulsCar is not affiliated with NHTSA. Check this car at your own mileage.