TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased. Follow the procedures in this bulletin to reset a vehicle Immobilizer or Smart Key system.
full bulletin at NHTSA ↗2011 Toyota Highlander electrical problems
moderate Owners of the 2011 Toyota Highlander have filed 19 NHTSA complaints about the electrical, typically surfacing around 72,000 miles at roughly $850 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See electrical across all vehicles →
Failure mileage
Complaints
19
Recalls
0
Avg fix
$850
| Model year | electrical complaints |
|---|---|
| 2007 Highlander | 19 |
| 2008 Highlander | 38 |
| 2009 Highlander | 19 |
| 2010 Highlander | 52 |
| 2011 Highlander (this page) | 19 |
| 2012 Highlander | 28 |
| 2013 Highlander | 22 |
| 2014 Highlander | 32 |
| 2015 Highlander | 45 |
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering electrical 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.
TT: Some customers may encounter Bluetooth® connectivity concerns such as: ?Difficulty to pair the phone. ?Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. ?Various Bluetooth® Audio functions are no longer functioning with customer?s phone such as ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer?s phone. Make sure to inquire with the customer if the connectivity concerns occurred after receiving an operating system update on their phone, or if they have restored their phone data/settings recently.
full bulletin at NHTSA ↗TSB: OBSOLETE NOTICE August 11, 2020: This bulletin is no longer applicable and is now obsolete.
full bulletin at NHTSA ↗TSB: OBSOLETE NOTICE August 11, 2020: This bulletin is no longer applicable and is now obsolete.
full bulletin at NHTSA ↗TSB: OBSOLETE NOTICE August 11, 2020: This bulletin is no longer applicable and is now obsolete.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners report a cluster of distinct electrical failures across 18 complaints:
Door locks fail repeatedly—some drivers have replaced all four locks multiple times. The electric actuators/solenoids stop responding, forcing use of mechanical key levers and preventing automatic locking when the car shifts to Drive. A safety concern since doors won't lock when they should.
Rear door/hatch sensors malfunction, falsely indicating the door is open when it's shut. The sensor triggers interior lights, chimes, and dashboard warnings. The issue worsens in hot weather and is triggered by turning left, hitting bumps, or lane curves. This prevents the vehicle from locking via key fob, creating security problems for some owners.
Alarm system activation occurs randomly, some linked to a faulty hood latch switch. Owners can't lock doors without triggering the alarm every 30 minutes to an hour.
Electrical power drains and shorts: One owner reported no power after four days of sitting; another found the rear defroster cutting engine and dashboard power when activated. A third experienced steering wheel lock and total light loss mid-turn.
Door window hardware: Bolts connecting window glass to the regulator loosen and fall off, requiring repair.
Warning-system cascade: Multiple owners report warning lights, chimes, and dome lights cycling on and off together, sometimes triggered by road conditions or simply while accelerating on highways. One dealership quoted over $700 to replace the door sensor system.
Same Toyota Highlander electrical reports on nearby years: 2008 · 2009 · 2010 · 2012 · 2013
Failure modes owners describe
Electric door lock failure
Driver-side and rear door locks stop responding electrically. Owners report replacing locks multiple times with recurring failures. Electric actuators/solenoids fail, forcing mechanical key operation. Doors fail to lock automatically when vehicle shifts to Drive, a safety hazard.
When: Recurring within ownership period; some owners report third failure
Symptoms owners cite: Electric door lock does not operate; Must use mechanical key to unlock door; Doors remain unlocked in Drive mode; Unable to lock doors manually with electric switch; Lock and unlock cycles continue after engine shut-down
Repairs/costs cited: All four door locks replaced, some twice. Owners identify faulty solenoids/motors (cited cost under $5 part, difficult DIY installation). One dealership visit with diagnostic showing no electronics problem, second visit with key fob reprogramming at two separate Toyota locations.
Rear door/hatch open sensor malfunction
Door open sensor falsely reports rear glass door or hatch open when closed. Triggers warning light, chime, and dashboard displays repeatedly. Worsens in hot weather and occurs when turning left, hitting bumps, or during lane curves. Prevents vehicle locking via key fob.
When: As early as 10,000 miles; recurring throughout ownership
Symptoms owners cite: Warning light indicates rear door open when shut; Repeated chiming and warning beeps; Dome light flashing on and off; Door display showing 'door open' or 'rear glass door open'; Vehicle will not lock via key fob; Triggered by left turns, bumps, road curves, and hot weather
Repairs/costs cited: Dealership initially suspected rear door strike plate, adjusted without success. One owner cited solution as cutting wire (owner noted as unsafe). Dealership quoted over $700 for door sensor system replacement. Rubber seal in rear window suspected by one dealership but unconfirmed as root cause.
Alarm system random activation
Security alarm triggers repeatedly for no apparent reason, preventing door locking. When doors are locked, alarm activates every 30 minutes to 1 hour. One owner identified hood latch switch as suspected cause.
When: Within first year of ownership
Symptoms owners cite: Alarm goes off randomly without trigger; Alarm activates every 30 minutes to 1 hour when doors are locked; Unable to lock doors without triggering alarm
Repairs/costs cited: One owner cited Toyota charging $130 diagnostic fee and over $300 for hood latch switch repair (manufacturing defect)
Recalls/TSBs owners mention: One owner references Technical Bulletin T-SB-0200-10 regarding hood latch switch defect
Electrical power loss and shorts
Multiple distinct power failures: total battery drain after vehicle sits for several days, rear defroster power draw cutting engine and dashboard power, and sudden loss of all lighting and steering assist during driving.
When: Very early (800 miles); recurring in use
Symptoms owners cite: No electrical power from battery after 4 days of sitting; Rear defroster activation cuts power to engine and dashboard; All lights turn off mid-turn; Steering wheel locks during driving; Power returns when defroster is turned off
Repairs/costs cited: One vehicle jump-start attempted but unsuccessful at 800 miles; vehicle remained immobilized
Electronic power steering system malfunction
Electronic steering loses responsiveness or becomes extremely loose while driving. Wheels do not respond to steering input at highway speeds, then suddenly become overly responsive, causing dangerous veering.
When: Recurring at various speeds
Symptoms owners cite: Steering wheel turns but wheels do not respond; Steering wheel becomes extremely hard to turn; Steering suddenly becomes extremely easy to turn; Vehicle veers to one side uncontrollably; Loss of lane control on curves
Repairs/costs cited: No repair attempted; owner traded vehicle due to safety concerns
Recalls/TSBs owners mention: Owner states electronic steering systems were fundamentally flawed
Window regulator bolt loosening and detachment
Bolts connecting window glass to the regulator mechanism loosen and fall off without external cause, rendering windows inoperable.
When: Within first year of ownership
Symptoms owners cite: Window bolts loosen by themselves; Bolts fall off completely; Window fails to operate
Repairs/costs cited: Repair cost $150 for one window
Multiple warning lights and chime cascade
Warning light system, rear door/window warning, dome lights, seat belt warning, and chiming cycle on and off repeatedly while driving, sometimes triggered by road bumps or acceleration. Creates driver distraction and safety concern during highway driving.
When: Intermittent, can occur during acceleration
Symptoms owners cite: Warning light comes on; Rear door/window warning activates; Dome lights turn on; Seat belt warning dings; Back door open warning flashes; Cycle repeats for 15-20 minutes; Triggered by road bumps, acceleration, or lane changes
Synthesized from 19 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 0 most recent
Had electrical 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 electrical problem on the 2011 Toyota Highlander?
It's a documented issue but not catastrophic. 19 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Across the 14 complaints that reported odometer mileage, most electrical failures cluster between 26,000 and 100,000 miles, with the median around 72,000. A quarter of owners report trouble before 26,000; a quarter make it past 100,000. 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 $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.
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.