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Engine coolingPart report

2006 Toyota Highlander Hybrid Engine cooling Problems

Complaints
28about this part
Share
8%of 370 total for the year
Median mileage
92,100miles
Trend
StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.

NHTSA recorded 28 complaints about the engine cooling of the 2006 Toyota Highlander Hybrid, 8% of the 370 complaints for this model year. Where a mileage was given, the median is 92,100 miles. 2 of these say a crash was involved and 1 a fire, according to the filers. 1 recall campaign on record is filed under a similar system.

Example complaints

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

“My wife was driving our 2006 Toyota Highlander Hybrid on a turnpike. As she drove on exit ramp the car lost power and warning lights signaled a problem with hybrid system. The car was towed to Toyota dealer. We were told part would cost $8,200 and $800 for labor. Repair is not covered by warranty since car has 130,000 miles. Problem has not yet been repaired.”

NHTSA complaint #10342022, filed 2010-07, 130,000 miles

“I made a right hand turn and was accelerating, heard a pop and the car shut down. I coasted to the side of the road and the car wouldn't start. The check hybrid system light came on and then the check vsc light came on. The car was towed to the dealership. Dealership said the hybrid inverter failed.”

NHTSA complaint #10385049, filed 2011-02, 109,486 miles

“My 2006 Toyota Highlander Hybrid suddenly stalled in the middle of the street. The car was later towed to the Toyota dealer in hanford,ca. The car has 140 miles over 100,000 miles and the dealer told me it was out of warranty. The problem is with the hybrid system was later pointed out to the inverter and it will cost me roughly $5,000.”

NHTSA complaint #10241403, filed 2008-09, 100,140 miles

“2006 Toyota highlander 4wd hybrid stalled during left turn (in front of traffic) when traveling to work. Both the gas and electric engine stalled - I.e. I pushed the gas and nothing happened. Turned the engine off and restarted, and everything has worked well since (4 days).”

NHTSA complaint #10151242, filed 2006-02, 1,450 miles

“Dash board dwscription: check hybrid system. Check vsc system the car would not restart. Toyota Highlander Hybrid 2006 hybrid failure. Suv just stopped causing me to have whip lash. Very dangerous. Email below explains more... Email: yesterday 08/04/08 around 05:17 pm, my Highlander Hybrid SUV hybrid system failed. It happened while I was driving around 30 MPH. The car just halted. It acted like if you went from 5th gear to 2nd gear, a big jolt; causing me to have a whip lash. …”

NHTSA complaint #10236989, filed 2008-08, 33,000 miles

Related recalls

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
2019117%
201015%
200913%
200832%
200733%
2006288%

Other parts of the 2006 Toyota Highlander Hybrid

Brakes
137 complaints
Electrical system
74 complaints
Hybrid propulsion system
45 complaints
Vehicle speed control
33 complaints
Engine
25 complaints
Steering
25 complaints
Electronic stability control
24 complaints
Transmission and drivetrain
19 complaints
Exterior lighting
15 complaints
Other or unknown
12 complaints
Visibility (wipers, defrost, mirrors)
10 complaints
Air bags
9 complaints

← All problems reported for the 2006 Toyota Highlander Hybrid

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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