TSB: REVISION NOTICE July 01, 2019 Rev2: ? Applicability has been updated to 2019 ? 2020 model year Toyota vehicles. ? The Techstream Preparation and Process Overview sections have been updated. October 30, 2017 Rev1: ? Applicability has been updated to include 2018 model year vehicles. Any previous printed versions of this bulletin should be discarded. SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0012-13. Service Bulletin No. T-SB-0012-13 is obsolete and any printed versions should be discarded. Be sure to review the entire content of this bulletin before proceeding. Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated
full bulletin at NHTSA ↗2011 Toyota Highlander powertrain problems
moderate 14 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Failure mileage
Complaints
14
Recalls
0
Avg fix
$2,500
When does it fail?
Of the 14 powertrain complaints filed for the 2011 Toyota Highlander, here's the actual mileage breakdown — failures cluster heaviest at 150,000+ mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA powertrain complaint has been filed on this vehicle in over 6 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
TSB: This bulletin includes basic procedures for inspecting and adjusting World Standard (WS) Automatic Transmission Fluid (ATF) level at normal vehicle operating temperature. Note: The following adjustment procedures are for U660E/F and U760E/F transmissions.
full bulletin at NHTSA ↗TechTip: Condition - The vehicle may be difficult to start or have an abnormally low or rough idle after the battery has been disconnected or power to the Engine ECM has been interrupted.
full bulletin at NHTSA ↗TechTip: Condition: Engine No Start and/or Poor Engine Power DTCs set immediately after performing service on the Inverter such as SSC D0M for IPM replacement or Inverter Assembly Installation.
full bulletin at NHTSA ↗TSB: World Standard (WS) Automatic Transmission Fluid (ATF) was introduced to reduce maintenance costs and increase the mileage between scheduled maintenance checks. Here are some important tips when working with ATF-WS in Toyota vehicles requiring it's use.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2011 Highlander's powertrain shows multiple failure modes across the engine, transmission, and hybrid system. The most severe and recurring issue is rupture of the rubber oil cooler pipes on 2GR-FE engines, which causes sudden, catastrophic oil loss leading to engine seizure and bent rods. Owners report this happening at highway speeds (65–85 mph) with little warning, creating total loss of propulsion. Toyota addressed the defect under TSB T-SB-0201-11 and a later warranty enhancement (ZE2 Program starting 2014), but owners say they never received notifications and dealers did not offer the fix proactively. One owner's engine failed at 85,000 miles; another experienced oil loss events in July 2024 and October 2025.
Transmission problems are frequent: sudden stalling without warning at highway speed, solenoid clutch failures that persist even after replacement, transmission surge during low-speed acceleration, hesitation and loss of power during turns, and abnormal whine noise above 35–45 mph. One owner reported sudden full-throttle acceleration during gentle parking maneuvers, requiring hard braking to avoid collision.
Additional complaints include excessive engine oil burning (triggering automatic shutdown at low pressure), cold-startup rattling (possibly timing-related), hybrid inverter failure causing sudden loss of propulsion, and unintended movement while parked. The vehicle exhibited misfire codes (P0300, P0301) and later critical codes (P1603, P1604, P1605) tied to oil loss events.
Same Toyota Highlander powertrain reports on nearby years: 2008 · 2013
Failure modes owners describe
Oil Cooler Pipe Rupture & Catastrophic Engine Damage
Rubber oil cooler pipes (2GR-FE/FXE engines) rupture or fail, causing sudden, severe oil loss leading to engine seizure, zero compression, bent rods, and complete engine damage at highway speeds. Issue documented under TSB T-SB-0201-11 (ZE2 Program) affecting 2008–2011 vehicles.
When: 85,000 miles (complaint #6); July 2024 and October 2025 events (complaint #2)
Symptoms owners cite: Sudden oil loss (drains in minutes); Dashboard warning messages or flashing Check Engine light; Loss of engine power while driving; Zero compression in cylinders 1 and 2; Catastrophic internal engine damage
Codes mentioned: P0300, P0301, P1603, P1604, P1605
Repairs/costs cited: Complete engine replacement required; owners report thousands of dollars in damages. TSB T-SB-0201-11 calls for replacement of rubber pipes with newer metal pipes.
Recalls/TSBs owners mention: TSB T-SB-0201-11 (ZE2 Program, introduced 2014); warranty enhancement offered but owners report not receiving recall notices or dealer notifications. Toyota refused goodwill assistance in one case despite documentation.
Transmission Solenoid Clutch Failure & Stalling
Transmission solenoid clutch assembly fails, causing sudden stalling without warning, clucking noise, inability to accelerate, and repeated failures even after component replacement.
When: 3,467 miles; stall event at August 2012 at 65 mph
Symptoms owners cite: Clucking noise from transmission; Sudden stalling without warning at highway speed; Vehicle will not accelerate after replacement; Abnormal roaring noise from engine area
Repairs/costs cited: Transmission solenoid clutch assembly replaced but failure persisted; abnormal noise continued.
Timing Chain, Timing Guide & Low Oil Pressure Issues
Faulty timing guides and timing chains combined with low engine oil pressure cause persistent ticking noise from powertrain area, indicating potential mechanical flaws in the timing system.
Symptoms owners cite: Recurring ticking noise from powertrain area; Low engine oil pressure; Concerns about potential mechanical flaws in timing system
Transmission Surge & Slipping
Transmission surges or slips during operation, affecting vehicle control and safety. Issues reported at low speed during lane changes and entrance ramps.
Symptoms owners cite: Transmission surge and slipping; Loss of vehicle control; Serious delay when pressing gas pedal followed by surge into traffic; Communication problem between computer and transmission reported by Toyota
Recalls/TSBs owners mention: Toyota claims it is caused by a communication problem between computer and transmission; states it cannot be corrected.
Engine Oil Consumption & Automatic Shutdown
Engine burns excessive oil; when oil level drops below threshold, vehicle automatically shuts off due to low oil pressure warning, even while driving on highway, creating immediate safety hazard.
Symptoms owners cite: Excessive engine oil burning; Low oil pressure warning light; Automatic engine shutdown while driving (including highway speeds); Sudden loss of propulsion
Transmission Whine Noise at Speed
Abnormal high-pitched whine noise emanates from transmission above 35–45 mph, persisting during normal driving.
When: Above 35–45 mph / above 38 mph
Symptoms owners cite: Abnormal whine noise from transmission above 35–45 mph
Cold Startup Rattling Noise (Engine/Camshaft)
Rattling or clattering noise audible at cold startup from engine, possibly related to camshaft timing gear issues; reported as common problem across multiple 2011 Highlanders.
When: Cold startup
Symptoms owners cite: Rattling or clattering noise at cold startup; Noise from engine area
Repairs/costs cited: Described as very expensive fix.
Hybrid Inverter Failure & Loss of Power
Hybrid inverter failure causes sudden loss of propulsion while driving at moderate speed, triggering multiple warning lights (Check Hybrid System, Check Brake System, Check 4WD System, Check Engine Light).
Symptoms owners cite: Sudden loss of power while driving; Vehicle deceleration and stalling in traffic; Check Hybrid System light; Check Brake System light; Check 4WD System light; Check Engine light
Recalls/TSBs owners mention: Diagnosed as hybrid inverter failure by Toyota Motor Company.
Unexpected Full Throttle Acceleration (Possible Hybrid Motor Malfunction)
During low-speed gentle acceleration (moving car into garage), vehicle suddenly surges to near-full throttle without driver input, requiring hard braking to prevent collision. Owner suspects electric motor sourced maximum power despite minimal pedal pressure.
Symptoms owners cite: Sudden unexpected full-throttle acceleration at very low speed; Vehicle ignores soft pedal pressure; Electric motor appears to source maximum power without driver input
Unintended Forward Movement While Parked
Vehicle starts moving on its own while parked. Dealer stated no repairs needed and claimed it is normal design (pushbutton ignition allows engine start without gear shift in Park).
Symptoms owners cite: Vehicle moves on its own while parked; Engine can start without gear shift in Park
Recalls/TSBs owners mention: Dealer stated no repairs needed; claimed behavior is by design.
Transmission Hesitation & Loss of Power on Turns
At low speed during turns from a stop, transmission appears to hesitate or 'coast' as if unable to shift smoothly, causing engine to 'act like it's going to stall.' Creates dangerous gap-closing situation with oncoming traffic, especially on left-hand turns.
When: Low speed, turning from stop
Symptoms owners cite: Transmission hesitation during low-speed turns; Vehicle coasting or acting like it will stall; Loss of power during turn execution; Engine does not actually stall but transmission loses response
Check Engine Light & Misfire Codes (Consequential to Oil Loss)
Check Engine light illuminates constantly; misfire codes triggered as consequence of oil cooler pipe rupture and catastrophic oil loss rather than primary ignition or fuel system failure.
Symptoms owners cite: Check Engine light constantly illuminated; Abnormal roaring noise; Engine misfire codes
Repairs/costs cited: Initial dealer diagnosis attempted spark plug and ignition coil replacement; compression test revealed zero compression in cylinders 1 and 2, confirming catastrophic engine damage from oil loss.
Synthesized from 14 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
Driving on a city street at about 35 miles per hour I was heading home with my kids (5 y.o. And 7 y.o.) when the vehicle decelerated and lost power while I was driving in traffic, I was fortunate that the care rolled long enough to pull over to a safe spot with my children and call for a tow. Lights that came on check hybrid system, check brake system, check 4wd system, and the check engine light…
Had powertrain trouble with your 2011 Toyota Highlander?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the powertrain problem on the 2011 Toyota Highlander?
It's a documented issue but not catastrophic. 14 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Across the 10 complaints that reported odometer mileage, most powertrain failures cluster between 5,930 and 85,000 miles, with the median around 49,000. A quarter of owners report trouble before 5,930; a quarter make it past 85,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
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.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2011/Toyota/Highlander.
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. Some links on this page are affiliate links.