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Electrical systemPart report

2007 Toyota Highlander Electrical system Problems

Complaints
23about this part
Share
19%of 124 total for the year
Median mileage
60,500miles
Trend
RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.

NHTSA recorded 23 complaints about the electrical system of the 2007 Toyota Highlander, 19% of the 124 complaints for this model year. Where a mileage was given, the median is 60,500 miles. 1 of these say a crash was involved and 1 a fire, according to the filers.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“On my 2007 Toyota high lander the horn has stopped working I have no horn , when I press the horn button it does not sound the horn. I took it to the dealer and they check the horn and the dealer said it was working after I left the dealer it did not work , I askedthe service adviser and he said its an intermittent problem, , the horn still does not work I still have no working horn, something is grounding out in the steering column. I still have no working horn and the dealer cant find the problem.”

NHTSA complaint #10785245, filed 2015-10, 60,500 miles

“When traveling down hill for extended periods of time the batteries charge and then start to emit noxious fumes into the cab of the vehicle. (ozone I think.) on several occasions we have had to roll the windows down or stop and exit the vehicle to allow the fumes to clear. The local dealer says that there is nothing wrong with the vehicle, and that there is nothing they can do about our complaints.”

NHTSA complaint #10210128, filed 2007-11, 5,000 miles

“Odometer Fraud. The contact purchased a 2007 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 mileage was 116,000, and at the time of registration, it was discovered that the mileage was 240,126. The contact also stated that the seller had crossed out the mileage and penned in EXEMPT on the tile. Local authorities were notified.”

NHTSA complaint #11653924, filed 2025-04, 240,126 miles

“Odometer Fraud. The contact owns a 2007 Toyota Highlander. The vehicle was purchased from a private seller on Facebook Marketplace on 9/3/2025. The mileage at the time of purchase was 129,950. The contact wanted a larger vehicle and called another dealer on Facebook Marketplace to trade the vehicle and was provided the most recent mileage recorded for the vehicle on November 17, 2021, at 262,597 miles. The dealer informed the contact that the VIN was recorded to have over 150,000 miles over 4 years before the purchase. …”

NHTSA complaint #11688863, filed 2025-09, 299,150 miles

“Was pulling into parking space under 5 MPH and there was a sudden surge forward and the brakes did not work. Went over curb through bushes off another curb hitting underneath of car and brakes then worked again. Car was towed to dealer where they drove it put it on a machine and found nothing wrong with the car!”

NHTSA complaint #10204479, filed 2007-09, 3,062 miles

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2025110%
2024614%
2023126%
2022239%
2021285%
2020186%
20195611%
2018249%
20174617%
20161413%
20155227%
20143526%
20132613%
20122916%
20112313%
20105325%
20092015%
20084411%
20072319%
2006269%
20052511%
2004186%
2003156%
2002134%
200154%

Other parts of the 2007 Toyota Highlander

Brakes
36 complaintsVehicle speed control
16 complaintsVisibility (wipers, defrost, mirrors)
15 complaintsOther or unknown
10 complaintsTires
8 complaintsTransmission and drivetrain
8 complaintsEngine
7 complaintsFuel system
6 complaintsSteering
6 complaintsBody and structure
5 complaintsWheels
5 complaintsElectronic stability control
4 complaints

← All problems reported for the 2007 Toyota Highlander

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology