The contact owns a 2015 Toyota Highlander. The contact stated while driving at 30 MPH, the vehicle accelerated without any warning at high speed. The contact desperately depressed the brake pedal, but the vehicle would not stop, causing the vehicle to drive into traffic and striking several vehicles causing front damage to the vehicle. The contact was unsure if anyone was injured. A police report …
2015 toyota Highlander powertrain problems
severe 7 complaints filed with NHTSA · avg repair $2,500
Complaints
7
Recalls
0
Crashes
1
Avg fix
$2,500
What owners are reporting 2 most recent
WHEN DRIVING MY HIGHLANDER THE FOLLOWING ERROR MESSAGES APPEARED, ERROR KEEPING THE START BUTTON PRESSED WILL CAUSE AN EMERGENCY STOP. I DISMISSED THIS. THEN IT POPPED UP A MESSAGE THAT CAR CANNOT DRIVE WHILE BRAKE AND ACCELERATOR ARE PRESSED SIMULTANEOUSLY. I LOST ABILITY TO ACCELERATE SO TRIED TO PULL OF BUSY ROAD, PRESSING THE BRAKE PEDAL RESTORED ACCELERATION. THEN WHEN I STOPPED IN TRAFFIC …
Common questions
How serious is the powertrain problem on the 2015 toyota Highlander?
It's a meaningful issue. 7 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $2,500.
At what mileage does the powertrain 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 $2,500 for powertrain 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 powertrain?
No active recalls currently cover powertrain 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.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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