2007 Toyota Highlander Electrical System
Owner-reported problems and safety issues filed with NHTSA. Review common failures, severity levels, and complaint trends over time.
Complaint Timeline
Chronological view of owner reports
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.
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. The contact reached out to the owner who sold the vehicle to the private seller who the contact purchased the vehicle from, and it was confirmed that on July 27, 2025, the vehicle was sold at 299,150 miles. The contact had not reported to any other agencies but had planned to.
STARTS WITHOUT USING A KEY AND CANNOT BE SHUT OFF.
HORN STOPPED WORKING, IN MOTION, ON A CITY STREET WHILE TURNING.
TL* THE CONTACT OWNED A 2007 TOYOTA HIGHLANDER. AFTER THE CONTACT RETURNED HOME AND PARKED THE VEHICLE, THE HORN STARTED TO BEEP. THE CONTACT WALKED OUTSIDE AND OBSERVED SPARKS UNDER THE VEHICLE. THE CONTACT ATTEMPTED TO EXTINGUISH THE FIRE WITH THE HOSE, BUT THE VEHICLE BECAME ENGULFED IN FLAMES. A FIRE REPORT WAS FILED. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE. NO INJURIES WERE SUSTAINED. THE VEHICLE WAS DESTROYED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 152,000.
TL* THE CONTACT OWNS A 2007 TOYOTA HIGHLANDER HYBRID. THE CONTACT STATED THAT ALL THE WARNING LIGHT ILLUMINATED ON THE INSTRUMENT PANEL AS THE VEHICLE STALLED. THE VEHICLE WAS TAKEN TO A MECHANIC AND THE CONTACT WAS TOLD THAT THE INTELLIGENT POWER MODULE (IPM) NEEDED TO BE REPLACED. THE MECHANIC ADVISED THE CONTACT OF A RECALL ASSOCIATED WITH NHTSA RECALL CAMPAIGN ID NUMBER: 11V342000 (ELECTRICAL SYSTEM), BUT THE MANUFACTURER ADVISED THAT THE VEHICLE WAS NOT INCLUDED IN THE RECALL CAMPAIGN. THE FAILURE AND THE CURRENT MILEAGES WERE 140,000.
TL* THE CONTACT OWNS A 2007 TOYOTA HIGHLANDER HYBRID. THE CONTACT WAS DRIVING 65 MPH WHEN THE VEHICLE STALLED. THE VEHICLE DID NOT RESTART AND WAS TOWED TO THE DEALER FOR DIAGNOSIS WHERE THE CONTACT WAS ADVISED THAT THE POWER INVERTER WOULD NEED REPLACING. THE MANUFACTURER WAS CONTACTED, BUT THE VEHICLE WAS NOT REPAIRED. THE VIN WAS UNAVAILABLE. THE FAILURE AND CURRENT MILEAGES WERE 123,000.
TL-WHILE PULLING INTO A PARKING SPACE, THE VEHICLE SUDDENLY ACCELERATED. THE VEHICLE JUMPED THE MEDIAN AND HIT ANOTHER VEHICLE IN ANOTHER PARKING SPACE. THE FAILURE MILES ARE NOT AVAILABLE. THE CURRENT MILES ARE 45,000 MILES. AA
TL*THE CONTACT OWNS A 2007 TOYOTA HIGHLANDER HYBRID. THE CONTACT STATED THAT THERE WAS AN ISSUE WITH THE 12-VOLT BATTERY IN HER VEHICLE. ON AT LEAST TEN OCCASIONS, THE 12-VOLT BATTERY WOULD NOT START. THE CONTACT WOULD ATTEMPT TO START THE VEHICLE, BUT THE IGNITION WOULD NOT TURN OVER. SHE HEARD OF INSTANCES WHERE OTHER PEOPLE'S VEHICLES COMPLETELY SHUT DOWN WHILE DRIVING; THEREFORE, SHE WAS CONCERNED THAT IT COULD EVENTUALLY HAPPEN TO HER. SHE TOOK THE VEHICLE TO THE DEALER FOUR DIFFERENT TIMES, BUT THEY COULD NOT DUPLICATE THE FAILURE. THE DEALER CHARGED THE BATTERY AND RELEASED THE VEHICLE BACK TO THE CONTACT. THE MANUFACTURER STATED THAT BECAUSE THE FAILURE COULD NOT BE DUPLICATED, THEY COULD NOT ASSIST. THE CURRENT MILEAGE WAS APPROXIMATELY 38,500 AND FAILURE MILEAGE WAS APPROXIMATELY 10,000.
SLOW INTERMITTENT DRAIN ON TOYOTA HIGHLANDER HYBRID 2007 AUXILIARY BATTERY. SINCE APRIL 2007, THE BATTERY HAS DIED 5 TIMES. DEALER REPLACED WITH NEW BATTERY, NEW DVD PLAYER BUT STILL CANNOT IDENTIFY THE SOURCE OF THE BATTERY DRAW. *TR
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. *TR
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! *JB
TL*THE CONTACT OWNS A 2007 TOYOTA HIGHLANDER. THE CONTACT STATED THAT HE CANNOT SEE THE SPEEDOMETER ON THE INSTRUMENT PANEL DURING THE DAYTIME. HE STATED THAT THE LENSES ON THE INSTRUMENT PANEL ARE TINTED, WHICH HE BELIEVES IS THE REASON FOR THE POOR VISIBILITY. THE DEALER STATED THAT THEY WOULD BE UNABLE TO REPAIR THE VEHICLE AND ADVISED HIM TO CALL TOYOTA. A COMPLAINT WAS FILED WITH TOYOTA AND THE CONTACT WAS ISSUED COMPLAINT NUMBER 200707203477. THE CURRENT MILEAGE WAS 1,000 AND FAILURE MILEAGE WAS 50. UPDATED 09/05/07 *TR
TL*THE CONTACT OWNS A 2007 TOYOTA HIGHLANDER. WHILE DRIVING IN THE SUNLIGHT, THE INSTRUMENT PANEL LIGHTS ARE DIFFICULT TO READ. THE MANUFACTURER INFORMED THE CONTACT TO HAVE THE DEALER TEST THE VEHICLE. THE DEALER STATED THAT THEY WOULD BE UNABLE TO REPAIR THE VEHICLE BECAUSE THAT IS HOW IT WAS MANUFACTURED. THE CONTACT STATED THAT THE FAILURE ONLY OCCURS DURING THE DAYTIME. THE CURRENT MILEAGE IS 100 AND FAILURE MILEAGE WAS 37.
HYBRID INVERTER FAILURE. *NM
Trend Over Time
Complaints by year
Other Issues
Common problems reported
Quick Summary
The 2007 Toyota Highlander has 15 Electrical System complaints on file. 1 crashes have been reported. Review the timeline above for detailed owner experiences.