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2013 Toyota Highlander

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2013 Toyota Highlander do not stand out strongly from the model-year median of 186.5.

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When problems were reported

Mileage at the reported incident

159 reports with mileage · 47 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Steering. Review the 46 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 31 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Vehicle Speed Control. Review the 31 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

26 crash reports0 fire reports12 injury reports

Engine complaints

31 reports
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Mileage unknown · Jul 5, 2024
EngineFuel/propulsion System

I purchased the car in 2020 with 73K miles on it. It has sporadically had incidents of unintended acceleration. I happens when I slow for a stop sign, red light, or crosswalk. My foot is on the brake when this occurs, the engine then goes into high gear and no amount of pressure on the brake will stop it. I put the car in pa…

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I purchased the car in 2020 with 73K miles on it. It has sporadically had incidents of unintended acceleration. I happens when I slow for a stop sign, red light, or crosswalk. My foot is on the brake when this occurs, the engine then goes into high gear and no amount of pressure on the brake will stop it. I put the car in park and turn the key off. There are no warning lights. It has happened more frequently in 2024. On [XXX], I tried to come to a stop at a crosswalk in Plymouth MA. The UA occurred, putting the folks in the crosswalk and myself in danger. The next day I contacted the dealer and Toyota. The upshot - they said the car is fine, it must be my mats or shoes or something that is not their fault. I've been driving Toyotas for 40 years, I've never had a mat or shoe problem. There is something faulty with the acceleration/braking system. The last occurrence was [XXX] in Plympton MA. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ODI #11599219

Mileage unknown · Jan 3, 2024
Engine

The issue started when the car was over 84,000 miles. The engine burns excessive oil. I have to add oil every 2200 miles. When I press on the gas pedal to rev the car, oil come out of the tail pipe. When I went to the dealer that they are aware of the issue but they did not make any recommendations. Online several owner of this …

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The issue started when the car was over 84,000 miles. The engine burns excessive oil. I have to add oil every 2200 miles. When I press on the gas pedal to rev the car, oil come out of the tail pipe. When I went to the dealer that they are aware of the issue but they did not make any recommendations. Online several owner of this model have changed the engine or replaced pistons. I have never gotten the check light on even when no oil is on the dip stick. I have to check the oil every time I fill up my gas tank as a precaution. My concern is that I could be stranded or the car overheat and cause a fire.

NHTSA ODI #11563350

Mileage unknown · Aug 28, 2023
Engine

Engine is burning/consuming oil excessively; no leaks or any other unusual symptoms found. I was on an interstate highway and all of a sudden engine sound changed and excessive knocking started. No OIL LOW LEVEL or CHECK ENGINE light turned on. Yes the problem is persistent now and was verified by an independent (ASE Certified) …

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Engine is burning/consuming oil excessively; no leaks or any other unusual symptoms found. I was on an interstate highway and all of a sudden engine sound changed and excessive knocking started. No OIL LOW LEVEL or CHECK ENGINE light turned on. Yes the problem is persistent now and was verified by an independent (ASE Certified) service provider. No waning lamps or messages displayed.

NHTSA ODI #11541278

Mileage unknown · Aug 25, 2023
Engine

I am known by Toyota experts and my local mechanics as someone who takes excellent care of my vehicle, but unfortunately I am completely blown away when I was driving my car and suddenly it stopped and couldn’t start, after I tolled it to my mechanic, he told me the engine seized and it needs replacement. The cost is about $4000…

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I am known by Toyota experts and my local mechanics as someone who takes excellent care of my vehicle, but unfortunately I am completely blown away when I was driving my car and suddenly it stopped and couldn’t start, after I tolled it to my mechanic, he told me the engine seized and it needs replacement. The cost is about $4000. I don’t have that kind of money and it has been seating in my driveway. I don’t understand how a very well maintained engine will just give out without any warning signs.

NHTSA ODI #11540749

Mileage unknown · Jun 28, 2022
Engine

Oil consumption/oil pressure issue. Started suddenly maybe in 2020. My oil pressure light would come on “turn off car immediately”. Took it to dealer, told me I have no oil. Then it kept happening. No notice of low oil, and well within 3 months/3000 miles. Toyota did an oil consumption test at 1500miles, no issue. Then, took my…

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Oil consumption/oil pressure issue. Started suddenly maybe in 2020. My oil pressure light would come on “turn off car immediately”. Took it to dealer, told me I have no oil. Then it kept happening. No notice of low oil, and well within 3 months/3000 miles. Toyota did an oil consumption test at 1500miles, no issue. Then, took my car in shortly after because oil pressure light came on. They told me to get a new engine. Possible see the PVC valve, but once in there likely a new engine is needed. No wear/tear, or obvious age of use. Engine just started consuming oil. I googled it. It seems to be an issue with Highlanders. But I’ve never seen a recall on it. Pretty much living on oil changes every 2 months to keep my engine running. And this whole time, my engine light has never turned on.

NHTSA ODI #11471361

103,000 miles · Dec 22, 2020
EnginePower TrainVehicle Speed Control

AS I BEGIN DRIVING AND COME TO STOP IT TENDS TO REV UP AND THEN DROPS BACK TO NORMAL. IT FEELS LIKE VEHICLE REVS UP A LITTLE WHILE YOU ARE TRYING TO STOP IT BY PRESSING THE BRAKE PEDAL.IT FEELS LIKE VEHICLE DOES NOT WANT TO STOP AND YOU HAVE THE FEELINGS TO PRESS THE BRAKE EVEN HARDER.

NHTSA ODI #11384624

75,000 miles · Dec 13, 2020
EngineUnknown Or Other

CHECKED OIL LAST WEEK ALSO DEALER SUPPOSEDLY CHANGED OIL COUPLE DAYS AGO YELLOW TRIANGLE LIGHT CAME ON IT WAS JUST BOUGHT SO UNFAMILIAR WITH THE WARNING LIGHTS TRIED TO LOOK UP TOLD ME NOTHING. TODAY I LEFT A FRIENDS HOUSE (3MILES ) SHE CALLED AND SAID I LEFT MASSIVE OIL LEAK LEFT ON HER DRIVEWAY. SURE ENOUGH I LOOKED ON MY D…

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CHECKED OIL LAST WEEK ALSO DEALER SUPPOSEDLY CHANGED OIL COUPLE DAYS AGO YELLOW TRIANGLE LIGHT CAME ON IT WAS JUST BOUGHT SO UNFAMILIAR WITH THE WARNING LIGHTS TRIED TO LOOK UP TOLD ME NOTHING. TODAY I LEFT A FRIENDS HOUSE (3MILES ) SHE CALLED AND SAID I LEFT MASSIVE OIL LEAK LEFT ON HER DRIVEWAY. SURE ENOUGH I LOOKED ON MY DRIVEWAY AND I ALSO HAD HUGE OIL LEAK LUCKY SHE CALLED ME I COULD HAVE BLOWN THE ENGINE OR IT COULD HAVE CAUGHT FIRE IF I HAD DRIVEN IT ANY FARTHER OR SHE DIDN'T TELL ME PROCEEDED TO LOOK UP COMMON TOYOTA HIGHLANDER PROBLEMS. AND THERE IT WAS SAYING MASSIVE OIL LEAKS FROM THE LINE EXPLODING ALSO SAID THAT THE REPAIR TOYOTA GIVES TO FIX THE PROBLEM HAS PROBLEMS TOO I'M ASSUMING THIS IS WHAT THE PROBLEM IS I'M LUCKY I WAS NOT OUT ON HIGHWAY HAVING IT TOWED TOMMOROW THE PICTURE IS AT HER HOUSE SHE SENT AFTER I LEFT. MY DRIVEWAY OIL LEAK IS TWICE THAT SIZE

NHTSA ODI #11383197

Mileage unknown · Jan 31, 2020
Engine

HEAD GASKET CRACKED, LEAKING COOLANT INTO 5TH CYLINDER. THE REASON FOR A PO305 MISFIRE CODE ON READER. AUTO SHOP REMOVED HEAD GASKET AND SAW THAT THE FINISH ON THE ENGINE BLOCK WAS HORRIBLE. THEY CALLED TOYOTA THEMSELVES TO FILE A COMPLAINT AND HAVE THEM REPLACE THAT SIDE OF THE BLOCK. AUTO SHOP DOESN'T FEEL COMFORTABLE REPLACIN…

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HEAD GASKET CRACKED, LEAKING COOLANT INTO 5TH CYLINDER. THE REASON FOR A PO305 MISFIRE CODE ON READER. AUTO SHOP REMOVED HEAD GASKET AND SAW THAT THE FINISH ON THE ENGINE BLOCK WAS HORRIBLE. THEY CALLED TOYOTA THEMSELVES TO FILE A COMPLAINT AND HAVE THEM REPLACE THAT SIDE OF THE BLOCK. AUTO SHOP DOESN'T FEEL COMFORTABLE REPLACING HEAD GASKET WITHOUT TOYOTA FIXING THE FINISH. IF THE FINISH IS AS IS, HEAD GASKET WILL EVENTUALLY CRACK AGAIN. HIGHLANDER WAS BOUGHT BRAND NEW AND ONLY HAS 73K MILES.

NHTSA ODI #11306213

Mileage unknown · Aug 11, 2018
EnginePower Train

HEAD GASKET LEAKED CAR LESS THAN 100K MILES AND LESS THAN 5 YEARS. GOOGLE SEARCH SHOWED SIMILAR PROBLEMS WITH OTHER HIGHLANDERS.

NHTSA ODI #11119316

51,125 miles · Jun 11, 2018
Electrical SystemElectronic Stability Control (esc)Engine

BOUGHT VEHICLE 'CERTIFIED' ON 04/20/17 AND FIRST OIL CHANGE 06/30/17 CORROSION ON BATTERY TERMINAL NOTATED. NEW BATTERY PURCHASED. 05/25/17, CORROSION IS AGAIN NOTATED. VEHICLE HAS BEEN THROUGH 2 SEPARATE OIL CHANGES AND NO CORROSION NOTATED. NOW DEALER IS STATING VERBALLY $5800 TO FIX TERMINALS AND CABLE DUE TO BATTERY ACID AND…

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BOUGHT VEHICLE 'CERTIFIED' ON 04/20/17 AND FIRST OIL CHANGE 06/30/17 CORROSION ON BATTERY TERMINAL NOTATED. NEW BATTERY PURCHASED. 05/25/17, CORROSION IS AGAIN NOTATED. VEHICLE HAS BEEN THROUGH 2 SEPARATE OIL CHANGES AND NO CORROSION NOTATED. NOW DEALER IS STATING VERBALLY $5800 TO FIX TERMINALS AND CABLE DUE TO BATTERY ACID AND CORROSION LEADING TO ELECTRICAL DAMAGE. HARNESS DAMAGE. FLAW OF THIS VEHICLE IS ALL COMPONENTS ARE INTERCONNECTED. REP WILL NOT PUT IN WRITING, BUT IS SAYING MAJOR HAZARD. TOYOTA WILL GIVE ONLY $2500 TOWARDS COST. NOT DRIVING CAR AT THIS TIME.

NHTSA ODI #11101098

Official recalls

3

14V148000 · Seats

Mar 27, 2014

Toyota is recalling certain model year 2013 Highlander vehicles manufactured March 13, 2013, through August 6, 2013. In the affected vehicles, the second row left hand seat may not lock in place when positioned in the forward front or second adjusting position. As such, the vehicles do not conform to Federal Motor Vehicle Safety Standard (FMVSS) number 207, "Seating Systems."

Consequence & remedy

Consequence: If the seat does not lock into the seat track, there may be an increased risk of injury to an occupant in the event of a crash.

Remedy: Toyota will notify owners, and dealers will modify the second row left hand seat so that it will lock into the seat track, free of charge. The recall began on May 21, 2014. Owners may contact Toyota at 1-800-331-4331.

13V123000 · Equipment:other:labels

Apr 9, 2013

Southeast Toyota is recalling certain model year 2008 and 2010-2013 Toyota Tundra, 2010-2012 Rav4, 2012 Toyota Sequoia, 2010-2011 Toyota Corolla, 2010-2011 Toyota Camry and Camry Hybrid, 2010-2013 Toyota Highlander and Highlander Hybrid, 2010-2013 Toyota FJ Cruiser, 2011 Toyota Land Cruiser, 2010-2013 Toyota Venza, 2010-2011 Toyota 4Runner, 2010-2013 Toyota Tacoma, 2011-2012 Toyota Sienna, 2012 Toyota Prius, 2013 Scion FR-S, 2011 Scion XD, 2011 Scion XB, and 2012 Scion TC vehicles. These vehicles were sold with labels that were outside the allowable one percent of accuracy of actual weight added. Thus, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) Number 110, "Tire Selection and Rims."

Consequence & remedy

Consequence: An inaccurate label could lead to owners overloading their vehicles and tires. An overloaded vehicle can result in a tire failure which may result in a vehicle crash, personal injury, or property damage.

Remedy: Southeast Toyota will notify owners and provide a corrected label with instructions concerning its installation. A small group of the affected vehicles will need additonal remedies which are still being developed. The recall began on May 28, 2013. Owners may contact Southeast Toyota at 1-800-301-6859.

13V014000 · Air Bags:frontal:sensor/control MODULE-INACTIVE ; Seats

Jan 16, 2013

Southeast Toyota Distributors, LLC (SET) is recalling certain models interspersed through model years 2009 through 2013 as follows: model year 2009-2012 Tacoma, 4Runner, Camry, Camry Hybrid, Prius, and RAV4; model year 2009-2010 Avalon, FJ Cruiser, and Highlander Hybrid; model year 2010-2013 model year Corolla, Sienna and Tundra; model year 2009-2013 Highlander and Venza; model year 2012 Prius V; and model year 2010-2012 Sequoia. During modification by SET to include accessories such as leather seat covers, seat heaters or headrest DVD systems, these vehicles may not have had the passenger seat occupant sensing system calibration tested. Without passing the calibration test, the occupant sensing system may not operate as designed.

Consequence & remedy

Consequence: If the front passenger seat occupant sensing system is out of calibration, the front passenger airbags may not deploy or they may deploy inappropriately for the passenger's size and position. This could increase the risk of personal injury during the event of a vehicle crash necessitating airbag deployment.

Remedy: Southeast Toyota will notify owners, and dealers will test the sensitivity of the occupant detection sensors, and recalibrate them as necessary. The recall began on March 21, 2013. Owners may contact Southeast Toyota at 1-800-301-6859.

Additional source detail variants (2)

Seats

Southeast Toyota Distributors, LLC (SET) is recalling certain models interspersed through model years 2009 through 2013 as follows: model year 2009-2012 Tacoma, 4Runner, Camry, Camry Hybrid, Prius, and RAV4; model year 2009-2010 Avalon, FJ Cruiser, and Highlander Hybrid; model year 2010-2013 model year Corolla, Sienna and Tundra; model year 2009-2013 Highlander and Venza; model year 2012 Prius V; and model year 2010-2012 Sequoia. During modification by SET to include accessories such as leather seat covers, seat heaters or headrest DVD systems, these vehicles may not have had the passenger seat occupant sensing system calibration tested. Without passing the calibration test, the occupant sensing system may not operate as designed.

Consequence: If the front passenger seat occupant sensing system is out of calibration, the front passenger airbags may not deploy or they may deploy inappropriately for the passenger's size and position. This could increase the risk of personal injury during the event of a vehicle crash necessitating airbag deployment.

Remedy: Southeast Toyota will notify owners, and dealers will test the sensitivity of the occupant detection sensors, and recalibrate them as necessary. The recall began on March 21, 2013. Owners may contact Southeast Toyota at 1-800-301-6859.

Air Bags:frontal:sensor/control MODULE-INACTIVE

Southeast Toyota Distributors, LLC (SET) is recalling certain models interspersed through model years 2009 through 2013 as follows: model year 2009-2012 Tacoma, 4Runner, Camry, Camry Hybrid, Prius, and RAV4; model year 2009-2010 Avalon, FJ Cruiser, and Highlander Hybrid; model year 2010-2013 model year Corolla, Sienna and Tundra; model year 2009-2013 Highlander and Venza; model year 2012 Prius V; and model year 2010-2012 Sequoia. During modification by SET to include accessories such as leather seat covers, seat heaters or headrest DVD systems, these vehicles may not have had the passenger seat occupant sensing system calibration tested. Without passing the calibration test, the occupant sensing system may not operate as designed.

Consequence: If the front passenger seat occupant sensing system is out of calibration, the front passenger airbags may not deploy or they may deploy inappropriately for the passenger's size and position. This could increase the risk of personal injury during the event of a vehicle crash necessitating airbag deployment.

Remedy: Southeast Toyota will notify owners, and dealers will test the sensitivity of the occupant detection sensors, and recalibrate them as necessary. The recall began on March 21, 2013. Owners may contact Southeast Toyota at 1-800-301-6859.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

2

EA18006 · Steering Column Separation

Opened Nov 16, 2018 · Closed Apr 2, 2024

Status: closed (inferred from source dates) · Steering; Steering:column

On November 16, 2018, the Office of Defects Investigation (ODI) opened an Engineering Analysis (EA18-006) as an upgrade to a Preliminary Evaluation (PE18-005).  The investigation focused on allegations of steering wheel separation from the lower steering column after using the tilt and/or telescoping mechanism. Given the separation occurring when operating the tilt and/or telescoping function and failure of both shear capsules to maintain the lower steering column mounting position, potential for shear capsule damage in the known failures due to collisions, the overall low rate of occurrence, and the updated manufacturer documentation, this investigation is closed.  The closing of this investigation does not constitute a finding by NHTSA that no safety-related defect exists.  The agency reserves right to take further action if warranted by the circumstances. A detailed summary of the investigation is attached to this closing resume. To review the ODI reports cited in the Closing Resume ODI Report Identification Number document, go to NHTSA.gov.

Additional source detail variants (2)

Steering:column

On November 16, 2018, the Office of Defects Investigation (ODI) opened an Engineering Analysis (EA18-006) as an upgrade to a Preliminary Evaluation (PE18-005).  The investigation focused on allegations of steering wheel separation from the lower steering column after using the tilt and/or telescoping mechanism. Given the separation occurring when operating the tilt and/or telescoping function and failure of both shear capsules to maintain the lower steering column mounting position, potential for shear capsule damage in the known failures due to collisions, the overall low rate of occurrence, and the updated manufacturer documentation, this investigation is closed.  The closing of this investigation does not constitute a finding by NHTSA that no safety-related defect exists.  The agency reserves right to take further action if warranted by the circumstances. A detailed summary of the investigation is attached to this closing resume. To review the ODI reports cited in the Closing Resume ODI Report Identification Number document, go to NHTSA.gov.

Steering

On November 16, 2018, the Office of Defects Investigation (ODI) opened an Engineering Analysis (EA18-006) as an upgrade to a Preliminary Evaluation (PE18-005).  The investigation focused on allegations of steering wheel separation from the lower steering column after using the tilt and/or telescoping mechanism. Given the separation occurring when operating the tilt and/or telescoping function and failure of both shear capsules to maintain the lower steering column mounting position, potential for shear capsule damage in the known failures due to collisions, the overall low rate of occurrence, and the updated manufacturer documentation, this investigation is closed.  The closing of this investigation does not constitute a finding by NHTSA that no safety-related defect exists.  The agency reserves right to take further action if warranted by the circumstances. A detailed summary of the investigation is attached to this closing resume. To review the ODI reports cited in the Closing Resume ODI Report Identification Number document, go to NHTSA.gov.

PE18005 · Upper Steering Column Separation

Opened May 4, 2018 · Closed Nov 20, 2018

Status: closed (inferred from source dates) · Steering; Steering:column

On May 4, 2018, the Office of Defects Investigation (ODI) opened Preliminary Evaluation PE18-005 to investigate three allegations of steering column separation for Model Year (MY) 2008 through 2013 Toyota Highlander vehicles. Two (2) of the 3 complaints were received by ODI in April 2018 and occurred while the vehicle was in motion. Since opening PE18-005, one (1) additional VOQ involving steering column separation has been received. This incident occurred while the vehicle was stationary.As part of PE18-005, ODI examined the field data, warranty data, and relevant technical information submitted by Toyota in response to the PE18-005 information request letter. Ten (10) additional incidents of steering column separation were identified. Four (4) of these instances occurred while driving. During PE18-005, ODI confirmed that the steering columns in the subject vehicles are equipped with breakaway capsules that are designed to collapse/shear during certain types of vehicle collisions. This design feature aims to reduce driver injury severity from impact with the steering wheel in frontal vehicle collisions. There is no direct method for detecting when the capsules in the subject vehicles have sheared. If the driver operates the tilt/telescoping feature after the breakaway capsules have separated, the steering column may drop out of position and could subsequently detach entirely from the rest of the steering assembly. Loss of steering while driving may cause a loss of vehicle control, which could lead to a vehicle crash.To date, ODI has identified 14 incidents involving complete steering column separation, 6 of which occurred while driving. One of these incidents involved a minor crash. Additionally, there have been 16 events where the steering column dropped from the dashboard mounting brackets, but column separation did not occur. Four of these incidents happened while driving. Of these 30 total separation/drop incidents, 5 of the vehicles have evidence of minor collision repairs months or years prior to the steering column failure.This investigation has been upgraded an to Engineering Analysis (EA18-006) in order to 1) conduct a more detailed analysis of the conditions that may cause the steering column breakaway capsules to separate and 2) assess factors that may contribute to the problem of failing to detect and repair breakaway capsules after they have separated. Toyota has recently revised their repair manual and issued a Collision Repair Information Bulletin to help address the second concern.The VOQs associated with this investigation can be viewed at www.NHTSA.gov under the following ODI complaint numbers: 11141761, 11083623, 11083280, 10888043.

Additional source detail variants (2)

Steering:column

On May 4, 2018, the Office of Defects Investigation (ODI) opened Preliminary Evaluation PE18-005 to investigate three allegations of steering column separation for Model Year (MY) 2008 through 2013 Toyota Highlander vehicles. Two (2) of the 3 complaints were received by ODI in April 2018 and occurred while the vehicle was in motion. Since opening PE18-005, one (1) additional VOQ involving steering column separation has been received. This incident occurred while the vehicle was stationary.As part of PE18-005, ODI examined the field data, warranty data, and relevant technical information submitted by Toyota in response to the PE18-005 information request letter. Ten (10) additional incidents of steering column separation were identified. Four (4) of these instances occurred while driving. During PE18-005, ODI confirmed that the steering columns in the subject vehicles are equipped with breakaway capsules that are designed to collapse/shear during certain types of vehicle collisions. This design feature aims to reduce driver injury severity from impact with the steering wheel in frontal vehicle collisions. There is no direct method for detecting when the capsules in the subject vehicles have sheared. If the driver operates the tilt/telescoping feature after the breakaway capsules have separated, the steering column may drop out of position and could subsequently detach entirely from the rest of the steering assembly. Loss of steering while driving may cause a loss of vehicle control, which could lead to a vehicle crash.To date, ODI has identified 14 incidents involving complete steering column separation, 6 of which occurred while driving. One of these incidents involved a minor crash. Additionally, there have been 16 events where the steering column dropped from the dashboard mounting brackets, but column separation did not occur. Four of these incidents happened while driving. Of these 30 total separation/drop incidents, 5 of the vehicles have evidence of minor collision repairs months or years prior to the steering column failure.This investigation has been upgraded an to Engineering Analysis (EA18-006) in order to 1) conduct a more detailed analysis of the conditions that may cause the steering column breakaway capsules to separate and 2) assess factors that may contribute to the problem of failing to detect and repair breakaway capsules after they have separated. Toyota has recently revised their repair manual and issued a Collision Repair Information Bulletin to help address the second concern.The VOQs associated with this investigation can be viewed at www.NHTSA.gov under the following ODI complaint numbers: 11141761, 11083623, 11083280, 10888043.

Steering

On May 4, 2018, the Office of Defects Investigation (ODI) opened Preliminary Evaluation PE18-005 to investigate three allegations of steering column separation for Model Year (MY) 2008 through 2013 Toyota Highlander vehicles. Two (2) of the 3 complaints were received by ODI in April 2018 and occurred while the vehicle was in motion. Since opening PE18-005, one (1) additional VOQ involving steering column separation has been received. This incident occurred while the vehicle was stationary.As part of PE18-005, ODI examined the field data, warranty data, and relevant technical information submitted by Toyota in response to the PE18-005 information request letter. Ten (10) additional incidents of steering column separation were identified. Four (4) of these instances occurred while driving. During PE18-005, ODI confirmed that the steering columns in the subject vehicles are equipped with breakaway capsules that are designed to collapse/shear during certain types of vehicle collisions. This design feature aims to reduce driver injury severity from impact with the steering wheel in frontal vehicle collisions. There is no direct method for detecting when the capsules in the subject vehicles have sheared. If the driver operates the tilt/telescoping feature after the breakaway capsules have separated, the steering column may drop out of position and could subsequently detach entirely from the rest of the steering assembly. Loss of steering while driving may cause a loss of vehicle control, which could lead to a vehicle crash.To date, ODI has identified 14 incidents involving complete steering column separation, 6 of which occurred while driving. One of these incidents involved a minor crash. Additionally, there have been 16 events where the steering column dropped from the dashboard mounting brackets, but column separation did not occur. Four of these incidents happened while driving. Of these 30 total separation/drop incidents, 5 of the vehicles have evidence of minor collision repairs months or years prior to the steering column failure.This investigation has been upgraded an to Engineering Analysis (EA18-006) in order to 1) conduct a more detailed analysis of the conditions that may cause the steering column breakaway capsules to separate and 2) assess factors that may contribute to the problem of failing to detect and repair breakaway capsules after they have separated. Toyota has recently revised their repair manual and issued a Collision Repair Information Bulletin to help address the second concern.The VOQs associated with this investigation can be viewed at www.NHTSA.gov under the following ODI complaint numbers: 11141761, 11083623, 11083280, 10888043.