Which parts fail
Components named in complaints (battery, alternator, wiring, ignition, instrument cluster, infotainment).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2008 Toyota Highlander owners, lightly cleaned up (personal details are redacted by NHTSA).
ABS system failure for the second time after repair, cost $3400 to replace after causing complete loss of brakes. 4 years after incident same exact ABS warning and VCS system failure with message to immediately take vehicle to dealership. There is a class action lawsuit on other hybrid models but Toyota inspected and said it would cost another $3500 to fix because there is no recall on the part.
Odometer Fraud. The contact purchased a 2008 Toyota Highlander. The contact stated that while attempting to register the vehicle, it was discovered that there was a mileage discrepancy. The vehicle was a private sale. At the time of purchase, the vehicle mileage was 123,399, and at the time of registration, it was discovered that the mileage was 271,890.
Odometer Fraud. The contact purchased a 2008 Toyota Highlander. It was discovered that there was a mileage discrepancy. The vehicle was a private sale. The contact stated that at the time of purchase the mileage was 106,000. After obtaining a Carfax report, the contact became aware that the mileage listed was 264,000.
Myself, and many other 2008 Toyota Highlander Hybrid owners, have a vehicle code labeled C1391 "Leak in Accumulator" wherein the vehicles brake actuator and brake booster pump malfunction. The dash of my vehicle has the following indicators on; Check ABS, Check Brake System, Check VSC System, Yellow Master Warning Light, Red Brake System Light & Buzzer, Yellow ABS Warning Light, and Yellow Slip Indicator Light. This has been a significant cause of concern for me over the past two-three years since purchasing this vehicle. This is a known issue throughout the Toyota Highlander Hybrid community and the dealership is not upholding their previous recall which occurred in late 2019 and ended in 2020, after I had purchased the vehicle. The cost of repairs is upwards of $4,000 and Toyota has not given the proper opportunity for recall repairs to owners. …
My 2008 Toyota Highlander Hybrid is having severe issues with the ABS system. Toyota is reporting that it needs an ABS actuator and ABS pump replacements. These were a part of Toyota's previous Customer Support Program, but the program expired before I owned the vehicle. That is EXTREMELY dangerous and the issue with the ABS system should be considered a Safety Recall that is ALWAYS available to Toyota customers to rectify and paid for by Toyota. It is a BRAKING ISSUE. It is not just brake pads, or normal wear and tear. This is a known issue and regardless of the timeline, Toyota should absolutely pay for the repair.
The Intelligent power module failed on the vehicle. I read this is common for my vehicle however there is no recall matching my VIN. Vehicle was purchased out of state one year ago. We took the vehicle to a Toyota dealership who suggested I inquire about the issue because it's possible this VIN should have been included.
Air bag lights continue to show. Vehicle had not been in any accidents. Seat warms do not work light comes on when you turn them on. Driver window will go up half way occasionally. Back wiper motor makes loud noise and doesn't work anymore. Tire sensor also comes out.
My 2008 toyota highlander gas pedal must be lose.because I barley push the gas and it takes on fast.i was driving home on the highway and the truck just died .the battery dies I couldn't turn my wheel I could not press the break
This vehicle has had ongoing issues with the O2 sensors not working, I have researched online for years and have read that there are several online forums of 2008 Highlander owners complaining of the same issue. The problem that I (we all) face with this, is that it constantly fails, never being able to know if there is an actual issue becuase of the faulty sensors or wiring causing the sensors to go out. I am always frightened that something is wrong with the car and spent hundreds and continue to spend having my car checked. I am a single mom who lost my job at the beginning of the pandemic, I have two school aged kids. Having them in a car that I can not be sure we are safe in, is scary. The cost to replace the sensors as there are 3 that have been a constant pain of not working correctly is insane! It is going to be in upwards of $600 to repair! …
At 5:00 pm on May 16, 2017 I drove home from work (15 minutes of in-town driving) everything was fine. I parked in the garage and went inside to prepare to leave with my family for my son's senior honors night. At 5;45 pm we got into the car and immediately my mom and my husband said, "what's burning?". It smelled like paper burning. Before leaving the house, my husband popped the hood to make sure there wasn't a wire or something else burning under the hood of the car. We dove 10 minutes to town to eat. We stayed in restaurant 30 minutes. When we returned to my car, my mother got in the passenger's front seat and and my husband in back and we all smelled a strong smell of something burning. I looked at my mom before starting the car and saw the black, burnt headrest. It appears there was an actual flame at some point. …
Electrical complaints in other Highlander years
Frequently asked questions
How common are electrical problems on the 2008 Toyota Highlander?
NHTSA has 44 complaints about the electrical system of the 2008 Toyota Highlander, 11% of the model year's 405 complaints. The component named most often is instrument panel › speedometer/odometer (2 mentions).
Is there a recall for 2008 Toyota Highlander electrical problems?
No. NHTSA lists no electrical system recall for the 2008 Toyota Highlander, though it has 11 recalls for other components. If the problem is widespread, a repair may still be covered by an extended warranty or a manufacturer service bulletin — ask a dealer.
At what mileage do 2008 Toyota Highlander electrical problems start?
Half of the complaints with a recorded mileage happened before about 85,000 miles, and 17% before 25,000 miles.
Is it dangerous?
Owners linked 2 crashes, 5 fires and 0 injuries to electrical system problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.