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2014 Toyota Sienna body problems

moderate Owners of the 2014 Toyota Sienna have filed 42 NHTSA complaints about the body, typically surfacing around 66,000 miles at roughly $1,500 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See body across all vehicles →

Failure mileage
Complaints
42
Recalls
1
Avg fix
$1,500
body complaints on the Toyota Sienna, by model year
Model yearbody complaints
2010 Sienna 47
2011 Sienna 94
2012 Sienna 40
2013 Sienna 37
2014 Sienna (this page) 42
2015 Sienna 52
2016 Sienna 21
2017 Sienna 10
2018 Sienna 4

When does it fail?

Of the 42 body complaints filed for the 2014 Toyota Sienna, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.

0-25k
0 (0%)
25-50k
1 (50%)
50-75k
1 (50%)
75-100k
0 (0%)
100-125k
0 (0%)
125-150k
0 (0%)
150k+
0 (0%)

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

Body accounts for 26% of all owner complaints filed against this vehicle, across 12 categories tracked.

Related recalls

severe NHTSA 16V858000 November 29, 2016

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain model year 2011-2016 Toyota Sienna minivans manufactured January 4, 2010, to August 12, 2016

If door opens while the vehicle is moving, there would be an increased risk of injury to the vehicle occupants.

Fix: Toyota will notify owners, and dealers will replace the junction block, rear sliding door wire harnesses, and install two sub wire harnesses, free of charge. The recall began on July 28, 2017. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is G04.

Is there a fix? Manufacturer service bulletins

The manufacturer has issued service bulletins covering body 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.

Service Bulletin T-SB-0035-24 Rev2 Dec 2024

Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal areas such as the hood, roof, and decklid, significant damage to the painted surfaces can occur. Acid rain damage can typically be identified on vehicles by the presence of stains on the paint surface that resemble hard water spots. Unlike water spots however, acid rain damage cannot be removed by regular washing procedures. Also, because acid rain can etch and soften the paint, normal buffing or polishing repair procedures should not be attempted. This can cause further damage

full bulletin at NHTSA ↗
Service Bulletin T-SB-0038-24 Rev2 Dec 2024

To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is to shield the disc brake rotor from weather elements and initial rust before the vehicle is delivered to the customer. Consequently, the film should remain on the wheel for as long as possible.

full bulletin at NHTSA ↗
Service Bulletin T-SB-0039-24 Rev2 Dec 2024

The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and remain on a painted vehicle surface, especially the horizonal areas of the hood, roof, and decklid, significant damage can occur. This damage is the result of actual etching of the paint and appears as pitting or water spots. As acid rain droplets on the vehicle surface evaporate, the concentration strength of the acid increases, causing deeper and more rapid damage. This evaporation and corrosive action also occur more rapidly on dark colored cars as direct sun heat increases. It

full bulletin at NHTSA ↗
Service Bulletin T-SB-0061-23 Rev2 Dec 2024

Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fallout, and rail contamination. Follow the Removal Procedure in this bulletin to remove the RapgardTM protective film within 90 days from initial application.

full bulletin at NHTSA ↗
Service Bulletin T-SB-0062-23 Rev2 Dec 2024

Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, welding, etc. This type of contamination can be identified by the presence of small, red or brown particles on the paint surface. These particles are often difficult to see on dark color paints but can be easily felt when brushing a hand across horizontal body surfaces such as the hood, roof, or deck lid. Follow the Repair Procedure in this bulletin to clean vehicles that may have been subjected to contamination by airborne iron particles such as rail dust during rail transportation or extended storage near industrial ar

full bulletin at NHTSA ↗

Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.

The failure pattern owners describe

Owners of 2014 Siennas report sliding doors that open while driving—sometimes fully, sometimes intermittently, sometimes refusing to close at all. One owner's door popped open in an intersection at speed while accelerating; Toyota's own latch replacement didn't solve the issue and Toyota admitted they couldn't guarantee it wouldn't happen again. Multiple owners report doors that open after sitting parked, or doors that partially close then reverse and reopen. A handful report both sliding doors failing simultaneously.

NHTSA Campaign 16V858000 (body structure) addresses this defect, but many owners waited months for recall parts that remained unavailable. Some dealers told owners the failure was "collateral damage" too expensive to fix. One owner of a handicap-equipped van found the interim solution—operating doors manually—unacceptable and Toyota offered no accommodation.

Related failures include corroded door latches, snapped power cables rendering doors too heavy to operate, and a design flaw where the sliding door's safety plunger exerts such pressure on the fuel door hinge that the hinge breaks, trapping occupants if the fuel door isn't fully closed. One owner reported a power sliding door that didn't stop when hitting an open fuel door, raising foreseeable injury risk.

Liftgate struts fail and cause the gate to crash down unexpectedly. Water also leaks into cabins through windshield cowl seams, soaking carpet.

Same Toyota Sienna body reports on nearby years: 2011 · 2012 · 2013 · 2015 · 2016

Failure modes owners describe

Sliding door opens while driving

Sliding door latch fails and door opens fully while vehicle is in motion, door alarm sounds. This is a life-threatening defect — passengers, especially children in booster seats next to the doors, face ejection risk. One owner tied the door shut to prevent recurrence after dealer replacement of latch assembly. Another owner reported both doors opened at 70 mph. Owners also report doors opening unexpectedly after parked, then refusing to close or only partially closing.

When: Occurs after several miles of driving; varies by owner report from 35,000 to 99,500 miles

Symptoms owners cite: Door alarm sounds / door ajar warning; Sliding door opens fully while vehicle in motion; Door opens unexpectedly when parked; Door will not close or stops/reverses mid-close cycle; Door difficult or impossible to open or close

Repairs/costs cited: Latch assembly replacement attempted; dealers have provided replacement parts with different model numbers but cannot confirm if parts actually differ or whether replacement fixes root cause. Multiple owners report repair attempts unsuccessful or unavailable.

Recalls/TSBs owners mention: NHTSA Campaign 16V858000 (Structure/Body) issued for sliding door defect; Toyota acknowledges knowing about the issue but cannot guarantee doors will not open while driving again; many owners report recall parts unavailable for extended periods; some report Toyota told them failure was 'collateral damage' and more cost-effective to drive vehicle as-is; interim recommendation to operate doors in manual mode deemed unacceptable for handicap vehicles with ramps

Power sliding door cable fracture or mechanical failure

Door cable snaps, rendering power door inoperable. Door becomes extremely heavy and can only be opened/closed manually thereafter. One owner's son bumped a sensor causing door to freeze halfway open; cable had snapped. Another owner reported fractured cable at 70,000 miles.

When: 70,000 miles reported in one case; timing variable

Symptoms owners cite: Door will not open or close using power/button; Door extremely heavy when operated manually; Door freezes in partially open position; Visible cable breakage

Repairs/costs cited: Door must be operated manually; one owner unable to open door at all after cable failure

Recalls/TSBs owners mention: Local dealers and manufacturer notified but did not assist

Sliding door latch corrosion

Two latches corroded, rendering doors inoperable. Owner reports corrosion visible at 18 months and 66,000 miles despite vehicle parked in garage 8–9 hours weekdays. Corrosion continued even after owner applied WD-40. Owners note if door assembly fails completely, risk of door closing on person, especially on hills.

When: 18 months to 66,000 miles

Symptoms owners cite: Visible corrosion on door latch assembly; Door closure issues; Door assembly degradation

Repairs/costs cited: Dealer refused to perform repair; owner applied WD-40 as temporary measure; no permanent repair recorded

Recalls/TSBs owners mention: Dealer declined to address; no manufacturer response recorded

Fuel door hinge failure due to sliding door safety switch pressure

Upper hinge of fuel filler door breaks because the sliding door safety switch (a plunger mechanism) exerts excessive pressure on the fuel door from inside, warping or flexing the door away from body. This prevents opening of rear passenger sliding door when switch cannot be fully depressed. Occurs at approximately 80,000–81,000 miles. Creates emergency egress safety issue — occupant unable to exit vehicle in emergency if fuel door is not fully closed. Documented on Sienna forums as known issue affecting multiple vehicles.

When: 80,000–81,000 miles

Symptoms owners cite: Upper fuel door hinge breaks or comes loose; Fuel door warped or flexed away from vehicle body; Excessive pressure/resistance when depressing safety plunger; Driver-side sliding door will not operate until plunger is fully depressed; Fuel door cannot be opened normally

Repairs/costs cited: Repair estimate approximately $380; neither Toyota nor extended warranty would cover; owners note design defect rather than wear issue

Recalls/TSBs owners mention: No manufacturer recall or service bulletin; dealers refuse coverage citing design as not defective

Power sliding door fails to stop or reverse when obstructed

Power sliding door continues to open under power when encountering physical obstruction (fuel door in this case), without reversing or stopping. No safeguard, interlock, sensor logic, or warning prevents operation against fixed body component. Poses foreseeable injury risk if occupant hand, arm, or clothing in path. Independent service center confirmed door operated as described with no abnormal conditions or warning signs present beforehand.

When: During normal vehicle operation

Symptoms owners cite: Power door continues opening despite obstruction; No automatic reversal or stop when door encounters resistance; No warning light or message before failure

Repairs/costs cited: Affected components (sliding door mechanism and fuel door latch) available for inspection; owner identifies this as design deficiency not maintenance issue

Recalls/TSBs owners mention: No manufacturer response recorded; owner characterizes as design deficiency warranting evaluation across similar power sliding door systems

Rear liftgate struts fail; gate closes unexpectedly

Power rear liftgate struts fail to support gate; gate crashes down unexpectedly, creating injury hazard if person standing beneath. Affects 2004 Sienna (different model year in complaint narrative #6) but indicative of similar body component failures in Sienna line. Voluntary Toyota service campaign (08V244000) repair period ended in 2010; dealer quote ~$500 for repair; Toyota declined warranty coverage claiming campaign expired.

When: Varies; struts fail over time

Symptoms owners cite: Liftgate struts no longer support gate weight; Gate crashes down unexpectedly; Gate closes on occupant if standing underneath

Repairs/costs cited: Repair involves liftgate strut replacement, approximately $500 at dealer

Recalls/TSBs owners mention: Voluntary service campaign 08V244000 (not a recall); repair period ended 2010; no coverage after campaign period

Water leak into cabin from windshield cowl

Water leaks into cabin from below front windshield cowl area, soaking entire cabin carpet. Musty smell precedes discovery of wet carpet. Issue persisted even after AC lines were drained. 'Water Doctor' diagnostic service located leak source and applied sealant; carpet padding replaced and cabin deodorized.

When: Timing not specified; repair performed in September–October 2018

Symptoms owners cite: Musty smell in cabin; Entire cabin carpet soaking wet; Water continues entering cabin even after AC drain service

Repairs/costs cited: AC line drain, sealant application to cowl area, carpet padding replacement, cabin deodorization; total repair cost $551.20

Recalls/TSBs owners mention: No manufacturer response recorded; owner paid out-of-pocket

Synthesized from 42 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.

What owners are reporting 4 most recent

body · filed 12/30/2025

The passenger-side power sliding door system failed to stop or reverse when it encountered physical interference with the vehicle’s open fuel door. The door continued opening under power despite clear obstruction by a fixed exterior body component. The affected components, including the sliding door mechanism and damaged fuel door latch, remain available for inspection upon request. A powered…

body · 35,000 mi · filed 12/26/2017

Tl* the contact owns a 2014 Toyota sienna. While attempting to manually open the driver's side sliding door, the door would sometimes remain closed or become very difficult to open. The failure was intermittent. The cause of the failure was not diagnosed and the vehicle was not repaired. The manufacturer and local dealer were not notified of the failure. The failure mileage was 35,000.

body · filed 12/14/2018

My car has both sides power slinging door is unable to be opened and closed when commanded.

body · 70,000 mi · filed 12/11/2018

Tl* the contact owns a 2014 Toyota sienna. The contact stated that the rear driver's side power sliding door malfunctioned due to a fractured cable. The contact indicated that the door was extremely heavy and could only be opened and closed manually. The cause of the failure was not determined. The local dealer (north hills Toyota, 711 browns ln, pittsburgh, pa) and the manufacturer were notified…

Had body trouble with your 2014 Toyota Sienna? 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 body problem on the 2014 Toyota Sienna?

It's a documented issue but not catastrophic. 42 complaints have been filed. Repairs average $1,500 and most owners catch it before it causes a breakdown.

At what mileage does the body typically fail?

Across the 21 complaints that reported odometer mileage, most body failures cluster between 40,886 and 80,000 miles, with the median around 66,000. A quarter of owners report trouble before 40,886; a quarter make it past 80,000. 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 $1,500 for body 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 body?

Yes — 1 active recall(s) cover body issues on this vehicle. Recall fixes are always free regardless of mileage or warranty status. Use the VIN decoder at the top of the page to check if your specific vehicle is affected.

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/2014/Toyota/Sienna. 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.
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