HYBRID INVERTER FAILURE. *NM
2007 toyota Highlander electrical problems
severe 19 complaints filed with NHTSA · avg repair $850
What owners are reporting 3 most recent
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…
Common questions
How serious is the electrical problem on the 2007 toyota Highlander?
It's a meaningful issue. 19 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.