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What 77 owners told NHTSA about the 2016 Toyota 4RUNNER Hybrid

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (77)Crash / fire / injury (8)Electrical system (18)Airbags (10)Suspension (9)Body & structure (7)Engine (6)Transmission & drivetrain (6)Brakes (5)Fuel system (4)Steering (4)Visibility & wipers (4)

Newest first · 77 complaints · page 3 of 4

Jan 3, 2019Visibility & wipers

REAR WINDSHIELD SHATTERED AFTER TURNING ON THE REAR DEFROSTER WHILE DRIVING ON THE HIGHWAY (ROUTE 200 ICC) AT APPROXIMATELY 60 MPH.

NHTSA ODI 11165608

Dec 13, 2018Engine

MY VEHICLE WAS PARKED IN FRONT OF MY HOME AND WHEN I WENT OUT IN THE MORNING TO TAKE MY CHILDREN TO SCHOOL MY VEHICLE STARTED MISFIRING ALL THE CHECKS ENGINE LIGHTS WERE LIGHTED UP EVERY WARNING LIGHT ON MY PANEL LIT UP. I HAD MY VEHICLE TOWED BACK TO THE DEALER. COME TO FIND OUT THAT ALL MY WIRING UNDER THE HOOD HAD BEEN EATEN OR CHEWED UP BY RATS. IT COST ME $500.00 DOLLARS TO HAVE IT FIXED (TAPED) LESS THAN 6 MONTHS LATER IT HAPPENED AGAIN . AND LESS THAN 3 MONTHS AFTER THAT IT HAPPENED AGAIN! I READ SOMEWHERE THAT YOUR VEHICLES ARE KNOWN TO ATTRACT RATS AND THAT I'M NOT THE ONLY CUSTOMER TO HAVE HAD THIS PROBLEM. IS THERE ANY WAY YOU GUYS ARE PLANNING TO FIX THIS PROBLEM ANY TIME SOON ? IT'S BECOMING VERY EXPENSIVE FOR ME .

NHTSA ODI 11161258

Dec 8, 2018AirbagsCrash

I HIT A CAR THAT PULLED OUT IN FRONT OF ME ON THE HIGHWAY. I WAS GOING NORTH BOUND AND THEY ATTEMPTED TO TAKE A LEFT FROM A SIDE STREET TO GO SOUTH BOUND. I WAS GOING 45 MILES PER HOUR AND THE OTHER CAR WAS AT A DEAD STOP IN FRONT OF ME. I HIT THEM JUST BEHIND THE DRIVERS SEAT. MY VEHICLE IS NOT DRIVEABLE, BUT YET THE AIRBAGS DID NOT DEPLOY.

NHTSA ODI 11156961

Dec 7, 2018Fuel system

MASSIVE FUEL LEAK FROM THE SOY-BASED FUEL LINES. ALLEGEDLY AN ANIMAL CHEWED THRU THEM WHICH WAS ATTRACTED BY THE SOY-BASED PRODUCT (RATHER THAN THE PETROLEUM BASED LINES OF THE PAST) I HAVE GREAT FEAR THAT THE INCIDENT WILL REPEAT ITSELF. FUEL LINES SPRAYED OUT ABOUT 8-10 GALLONS OF FUEL DURING 30 MINUTES WHILE DRIVING.

NHTSA ODI 11156727

Nov 7, 2018Electrical system

THE WIRING INSIDE OF THE ENGINE WAS CHEWED THROUGH BY RODENTS. I DRIVE THE VEHICLE EVERY DAY AND IT WAS SERVICED TWO DAYS BEFORE. AFTER PERFORMING SOME RESEARCH, I FOUND OUT THAT TOYOTA AND OTHER COMPANIES USE SOY BASED PRODUCTS TO MAKE WIRING. THIS APPARENTLY ATTRACTS RODENTS AS IT IS BASICALLY FOOD FOR THEM.THE VEHICLE WAS PARKED IN FRONT OF MY HOME IN A MARKED PARKING SPOT. I HAVE PARKED OTHER (OLDER) VEHICLES IN FRONT OF MY HOME FOR APPROXIMATELY 10 YEARS WITHOUT THIS PROBLEM. I HAVE ONLY OWNED MY TOYOTA FOR ONE YEAR AND THE WIRING WAS DESTROYED BY RODENTS TO THE TUNE OF NEEDING A NEW WIRING HARNESS.

NHTSA ODI 11149822

Aug 30, 2018SuspensionTransmission & drivetrain

TL* THE CONTACT OWNS A 2016 TOYOTA 4RUNNER. THE CONTACT TOOK THE VEHICLE TO PRECISION TOYOTA OF TUCSON (520-795-5565, 700 W WETMORE RD, TUCSON, AZ 85705) FOR ROUTINE SERVICE. THE DEALER DIAGNOSED THAT THE INNER CONSTANT VELOCITY BOOT LEAKED OIL AND NEEDED TO BE REPLACED. THERE WAS NO WARNING INDICATOR ILLUMINATED. THE CONTACT WAS INFORMED THAT THE PART WAS NOT COVERED UNDER WARRANTY. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND STATED THAT THE PART WAS NOT COVERED BY THE WARRANTY. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 18,445.

NHTSA ODI 11123559

Aug 21, 2018Visibility & wipers

SUNROOF "EXPLODED" WHILE DRIVING AT LOW SPEED ON A DESOLATE ROAD. CAR WAS PARKED AT A BEACH RENTAL FOR 3 DAYS IN THE HOT SUN AND THIS WAS THE FIRST TRIP, HEARD A POPPING NOISE. SINCE THERE WERE NO VEHICLES WITHIN AT LEAST 1/2 MILE AND NO BUILDINGS WITHIN 50 YARDS DID NOT THINK THIS NOISE WAS CAUSED BY A ROAD HAZARD. LOOKED OVER THE CAR AND COULD NOT FIGURE OUT WHAT THE NOISE WAS. WHEN WE ARRIVED BACK AT THE HOUSE AND WERE SITTING ON THE DECK WE NOTICED THE SUNROOF LOOKED STRANGE, A BUBBLE IN THE CENTER . FURTHER INSPECTION FOUND THE SUNROOF SHATTERED, STILL IN PLACE. LUCKY WE HAD THE COVER DRAWN CLOSED BUT EVEN LUCKIER IT STAYED INTACT.

NHTSA ODI 11121247

Jul 26, 2018Engine

SINCE NEW, I HAVE DOCUMENTED AT LEAST 20 OCCURRENCES OF LACK OF ACCELERATION, SEVERAL TIMES ALMOST RESULTING IN AN ACCIDENT. ALL OCCURRENCES HAPPEN FROM A STOPPED POSITION, THEN APPLYING AT LEAST HALF ACCELERATOR PEDAL, THE TRUCK WILL INITIALLY ACCELERATE, THEN PAUSE FOR SEVERAL SECONDS, VERY SCARY WHEN CROSSING TRAFFIC OR GOING THROUGH AN INTERSECTION. HAPPENS ON TURNS AND WHEN GOING STRAIGHT.

NHTSA ODI 11113810

Mar 10, 2018Transmission & drivetrain

VEHICLE WAS PARKED IN MY DRIVEWAY WHICH HAS A MODERATE SLOPE. ENGINE WAS NOT RUNNING. DESPITE BEING IN PARK, THE VEHICLE ROLLED DOWN THE DRIVEWAY AND ONLY STOPPED WHEN IT HIT MY MAILBOX AT THE CURB. I COMPLAINED ABOUT THE MATTER TO TOYOTA. THEY INSPECTED THE VEHICLE AND CONCLUDED "WE DID NOT FIND EVIDENCE OF A DEFECT WITH THE TRANSMISSION OR SHIFT SELECTOR [SIC] CAUSED THIS INCIDENT." THE VEHICLE HAD BEEN SITTING THERE FOR AT LEAST 10 MINUTES. THE PARKING BRAKE WAS NOT SET. I DID NOT BUMP THE SHIFT LEVER OR DO ANYTHING ELSE THAT COULD HAVE CAUSED THE VEHICLE TO COME OUT OF PARK. I SPOKE WITH THE TOYOTA ENGINEER WHO INSPECTED THE VEHICLE AND HE TOLD ME HE COULD NOT EXPLAIN WHAT HAPPENED. I AM CONCERNED THERE IS A SAFETY DEFECT WITH THIS VEHICLE. OBVIOUSLY, I WILL ALWAYS USE THE PARKING BRAKE IN THE FUTURE. ATTACHED IS TOYOTA'S LETTER TO ME SAYING THEY DID NOT FIND A DEFECT AND MY LETTER IN RESPONSE. THANK YOU FOR YOUR ASSISTANCE.

NHTSA ODI 11078476

Feb 6, 2018Brakes

HAVE AN INTERMITTENT ISSUE WITH THE RIGHT FRONT TIRE LOCKING DURING BREAKING. FEELS LIKE THE YOU SUDDENLY MASHED THE BREAK PEDAL TO THE FLOOR. HAPPENED ON DRY PAVEMENT WHILE GOING STRAIGHT DOWN THE ROAD APPROX 50MPH CONSTANT BREAK PRESSURE. HAS DONE THIS AT SLOWER SPEEDS GOING FORWARD AND BACKING UP, JUST SEEMS TO DRAG THE RF TIRE WHILE OTHER THREE ARE ROTATING NORMALLY. HAVE TAKEN TO DEALER FOR INSPECTION AND THEY CAN'T FIGURE OUT WHAT IS CAUSING IT. INCLUDED IMAGES OF DRAG MARKS IN SHOP FLOOR.

NHTSA ODI 11067264

Dec 17, 2017Electrical system

RODENTS CHEWED UP WIRING HARNESS FOR FUEL INJECTOR. VEHICLE PARKED IN ENCODED GARAGE.

NHTSA ODI 11055111

Dec 11, 2017Speed control

THROTTLE CONTROL SYSTEM FAILURE ON 2016 TOYOTA 4RUNNER. WHILE DRIVING THE VEHICLE THE ORANGE SERVICE ENGINE AMD TRAC ORANGE LOGHT ILLUMINATED. ONCE THAT HAPPEN D THE THROTTLE BODY BECAME TOTALLY NON-RESPONSIVE. NO MATTER HOW MUCH I PRESSED THE THROTTLE IT WAS NON-RESPONSIBILVE. I WAS ABLE TO SAFELY PULL OFF THE ROAD. I HAD TO RESTART THE VEHICLE TWICE, ON THE SECOND RESTART BUT THE WARNING LIGHTS REMAINED ON BUT THROTTLE APPEARED TO BE FUNCTIONING NORMAL. THE DEALERSHIP WAS ABLE TO REPLICATE THE ISSUE AND ADVISED THE VEHICLE WAS NOT SAFE TO DRIVE AND PROVIDED A LOANER. THE SERVICE TECH AND SERVICE ADVISOR EXPLAINED HOW RARE THIS IS ESPECIALLY ON A 12 MONTH OLD VEHICLE WITH UNDER 30K MILES ON IT. THEY ORDERED A NEW THROTTLE BODY AND WE'LL SEE IF IT FIXES THE ISSUE. GIVEN TOYOTA'S RECENT HISTORY WITH 'SUDDEN ACCELLERATION' I THOUGHT I SHOULD REPORT THIS JUST IN CASE.

NHTSA ODI 11054046

Oct 10, 2017Body & structure

THE TFORCE FENDER FLARES HAVE BECOME EXTREMELY LOOSE, AND RATTLE WHEN DRIVING. I AM AFRAID OF THEM FLYING OFF ON THE INTERSTATE AND CAUSING DAMAGE TO A FOLLOWING VEHICLE.

NHTSA ODI 11032720

Aug 29, 2017AirbagsSpeed control

"TAKATA RECALL " ALSO STICKING GAS PEDAL

NHTSA ODI 11020425

Jul 27, 2017Electrical system

TL* THE CONTACT OWNS A 2016 TOYOTA 4RUNNER. THE CONTACT STATED THAT THE WIRING WAS SOY BASED AND WAS NOT STRUCTURALLY SOUND. AT 12,000 AND 30,000 MILES, THE WIRES WERE PREMATURELY DAMAGED BY RODENTS. THE MANUFACTURER PROVIDED NO SOLUTION OTHER THAN SUGGESTING THAT THE CONTACT REPLACE THE WIRES TWICE. THE DEALER (DURANGO TOYOTA, 1200 CARBON JCT, DURANGO, CO 81301, (970) 385-4822) INSPECTED THE VEHICLE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VIN AND FAILURE MILEAGE WERE NOT AVAILABLE.

NHTSA ODI 11010960

Jun 29, 2017Body & structure

TL* THE CONTACT OWNS A 2016 TOYOTA 4RUNNER. WHILE THE VEHICLE WAS STATIONARY, THE INTERIOR OF THE VEHICLE BECAME COMPLETELY RUSTED. THE CONTACT FOUND SEVER RUST UNDERNEATH THE SEATS, THE STEERING WHEEL, AND THE SEAT BELT LATCHES. THE SEAT BELTS DID NOT LATCH DUE TO THE SEVERE RUST ON MORE THAN ONE OCCASION. IN ADDITION, UNDERNEATH THE SEAT CUSHION OF THE THIRD ROW SEATS, THE ENTIRE SEATING FRAMEBOARD WAS RUSTED SEVERELY. THE RUST HAD AN UNPLEASANT ODOR. READOR-DYKES TOYOTA OF PLAINVIEW, TEXAS WAS CONTACTED ABOUT THE ISSUE AND STATED THAT THERE WAS NOTHING WRONG WITH THE VEHICLE, AND THE CONTACT COULD CONTINUE TO BE DRIVEN. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE AND STATED THAT THERE WAS NO WARRANTY COVERAGE ON THE VEHICLE AND THAT IT WAS SOLD "AS IS". THE FAILURE MILEAGE WAS 25,000.

NHTSA ODI 11002394

Jun 6, 2017Electrical systemEngine

TOYOTA KNOWINGLY USES A SOY BASED WIRE COATING THAT ATTRACTS RODENTS. SOMETHING CHEWED THROUGH THE WIRING HARNESS MAKING MY VEHICLE SHAKE UNCONTROLLABLY AND ACT VERY STRANGE. THIS IS A HUGE SAFETY CONCERN BECAUSE WHAT IF THE DAMAGE WAS ONLY PARTIAL AND THEN THROUGH NORMAL USE LIKE HIGHWAY DRIVING THE WIRE FULLY COMES APART DISRUPTING ANY AND ALL SAFETY FEATURES

NHTSA ODI 10993402

Mar 30, 2017Electrical system

I STARTED THE 4RUNNER AND NOTICED THAT A FEW OF THE WARNING LIGHTS WERE ON (ABS, BRAKE, & A FEW OTHERS I CAN'T REMEMBER). I DECIDED TO DRIVE IT ANYWAY TO RUN SOME ERRANDS (SHORT DISTANCE), AND NOTICED THAT THE TRANSMISSION WAS NOT SHIFTING PROPERLY EITHER (NOT GOING INTO ECO MODE AND STRUGGLING TO REACH 40 MPH). I DECIDED TO PULL OVER INTO A PARKING LOT AND CHECK UNDER THE HOOD. THAT IS WHEN I NOTICED A SQUIRREL NESTED BY THE DRIVER'S SIDE FIREWALL. THE SQUIRREL ALSO USED THE INSULATION FROM UNDER THE HOOD AND ALONG THE FIREWALL TO MAKE ITS NEST. I TOOK THE 4RUNNER TO THE DEALERSHIP, AND THEY ALSO POINTED OUT THAT ONE OF THE ELECTRIC RUNS WAS CHEWED ALL THE WAY THROUGH WITH SOME DAMAGE ON THE MAIN HARNESS. I LET THEM KEEP THE 4RUNNER OVER NIGHT TO GET AN ESTIMATE ON THE DAMAGE. THE INITIAL ESTIMATE WAS FOR $5,716.30. I DECIDED TO LET THEM KEEP THE 4RUNNER UNTIL THE WORK WAS COMPLETED. I WAS INFORMED THAT THE ELECTRIC HARNESS WOULD TAKE 3 TO 5 DAYS TO BE SHIPPED TO THE DEALERSHIP. THEN I WAS NOTIFIED (6 DAYS LATER) THAT THE ELECTRIC HARNESS WAS NOT READILY AVAILABLE AND WOULD TAKE ANOTHER WEEK BEFORE THEY RECEIVE IT. I RECENTLY RECEIVED A PHONE CALL SAYING THAT ALL THE PARTS WERE IN, BUT NOW THEY WOULD EITHER HAVE TO REMOVE THE ENGINE OR RAISE THE BODY TO INSTALL THE FIREWALL INSULATION. SO AN ADDITIONAL $2,219.66 FOR THAT PORTION OF IT. SURE MY INSURE PICKED UP THE TAB LESS MY DEDUCTIBLE, BUT THIS SHOULD NOT HAVE HAPPENED. I DROPPED THE 4RUNNER OFF MARCH 7, 2017 AND WAS INFORMED THAT IT SHOULD BE READY AROUND APRIL 5TH. HOPEFULLY NOTHING ELSE IS FOUND. I PURCHASED THE 4RUNNER BRAND NEW ON FEBRUARY 4, 2017 (DRIVEWAY KEPT). I TRADED IN A 2006 TOYOTA TACOMA THAT I HAD FOR 11 YEARS THAT SAT OUTSIDE FOR THIS HEADACHE. MAYBE I SHOULD HAVE KEPT THE TACOMA. THE 4 RUNNER ONLY HAD APPROXIMATELY 500 MILES ON IT WHEN THIS INCONVENIENCE HAPPENED.

NHTSA ODI 10969624

Feb 28, 2017SteeringWheels

PUT THE VEHICLE IN H4 MODE (4 WHEEL DRIVE). IN A STOP POSITION, TURN ALL THE WAY RIGHT, OR ALL THE WAY LEFT IF YOU PREFER. ACCELERATE, PUSH ON GAS PEDAL. PROBLEM: 1) THE CAR MOVES IN A CLUNKING MOTION. 2) FEELS LIKE YOU ARE DRIVING WITH EMERGENCY BRAKES ON - BUT NO BRAKES IS ON. 3) SMELLS VERY BAD TIRE BURNT SMELL. 4) IF TOYOTA DOESN'T FIX THIS PROBLEM, ITS GONNA COST MORE MONEY TO FIX WHATEVER IT CAUSES - GEAR SHAFT, ECT.. GETS GRIND OR DAMAGE. BROUGHT IT TO THE DEALERSHIP AND THEIR MECHANICS SAYS YOU CAN'T USE 4 WHEEL DRIVE ON DRY PAVEMENT. WHAT? ITS A 4 RUNNER! YOU CAN DRIVE 4 WHEEL WHEN YOU WANT TOO. BESIDES, THE PROBLEM EXIST ON WET PAVEMENT OR SNOW CONDITIONS TOO. HOW ARE WE SUPPOSE TO GET OUT OF OUR DRIVE WAY IF THIS FEATURE DOESN'T WORK DURING SNOW CONDITIONS. OR WHEN YOU USE IT, IT DAMAGES YOUR CAR - AS DESCRIBED ABOVE. DEALERSHIP MECHANIC TRIED THIS ON THE NEW 2017 4 RUNNERS THAT THEY HAVE THERE AND IT HAS SAME PROBLEM. MY 2016 4 RUNNER ONLY HAS 300 MILES. JUST BOUGHT IT TWO WEEKS AGO 2/17/2017. BAD TESTING.. THIS HAS TO BE FIX. PLEASE RECALL AND MAKE IT RIGHT. THANKS ALSO - I OWN A 2004 4RUNNER AND IT WORKS FINE IN THIS SENARIO - DOESN'T HAVE THIS PROBLEM. BUT MY NEW 2016 HAS THIS PROBLEM. AGAIN - BAD TESTING. PLEASE RECALL AND FIX THIS PROBLEM TOYOTA. THANK YOU.

NHTSA ODI 10957589

Feb 25, 2017SuspensionSpeed controlEngine

THIS VEHICLE IS JUNK. HAS NO POWER, EXCESSIVE VIBRATION, CONSTANT TICKING, ALL OVER THE ROAD, CRUISE CONTROL SPEEDS UP UNCONTROLLABLY, SITS LOPSIDED, EXTREMELY LOUD, BRAKES AND STEERING LOCK UP.,LACKS HEAT, POOR VISIBILITY . ALL THESE AND MORE OCCURR WHILE STARTING AND DRIVING VEHICLE.

NHTSA ODI 10956888

Feb 15, 2017Visibility & wipers

I WAS DRIVING ON THE HIGHWAY AND THE SUNROOF SPONTANEOUSLY EXPLODED.

NHTSA ODI 10954904

Dec 16, 2016Electrical systemEngine

BOUGHT A USED 2016 4RUNNER. HAD IT 3 WEEKS AND A RODENT CHEWED THE WIRES ON THE MAIN WIRING HARNESS. TOYOTA (THAT I HAVE 2 WARRANTIES THROUGH) DOES NOT COVER RODENT DAMAGE EVEN THOUGH THE MATERIAL THAT THEY USE ATTRACTS RODENTS APPARENTLY FROM MY RESEARCH. I HAVE $3500-$5500 IN DAMAGE AND MY CAR HAS BEEN AT THE DEALERSHIP WAITING FOR REPAIR FOR 3 WEEKS NOW. THE INSURANCE COMPANY IS FIGHTING THEM ON THE REPAIR AND I AM STUCK WITHOUT THE VEHICLE. I DO NOT HAVE THAT KIND OF MONEY TO REPAIR IT MYSELF. TOYOTA SHOULD BE RESPONSIBLE FOR REPAIRING AND REPLACING THE WIRES THAT THEY USED SINCE IT IS ENCOURAGING THE DAMAGE! THE VEHICLE WAS SITTING IN MY CARPORT. I LIVE IN THE NICER PART OF A LARGE TOWN.

NHTSA ODI 10935876

Dec 16, 2016Suspension

WHENEVER I GO OVER POTHOLES AND BUMPS MY CAR MAKES CLUNKING NOISES AND SOUNDS HORRIBLE.

NHTSA ODI 10935905

Sep 30, 2016Engine

2016 TOYOTA 4RUNNER WITH LESS THAN 5000 MILES EVERY ONCE IN A WHILE I HAVE NOTICED A LACK OF RESPONSE TO THROTTLE WHEN MAKING A RIGHT HAND TURN. BY THIS I MEAN NO INCREASE IN ENGINE RPM'S PROPORTIONAL TO THROTTLE POSITION. I HAVE SHRUGGED IT OFF AS MY IMAGINATION. NOW I HAVE HAD TWO OCCASIONS WHERE AFTER COMING TO A STOP AT A STOP SIGN ON A STEEP INCLINE WHERE WHEN I RELEASED THE BRAKE PEDAL AND STEPPED ON GAS THE VEHICLE ROLLED BACK EVEN THOUGH I HAD AT LEAST 1/4 THROTTLE APPLIED. NOT A GOOD SITUATION IF THERE IS A VEHICLE BEHIND YOU.

NHTSA ODI 10910880

Aug 9, 2016Suspension

TRD PRO MODEL FRONT SHOCKS MAKE A CLUNK BELOW 40 DEGREES. TOYOTA T-SB-0054-16 TOYOTA WON'T LOOK AT.

NHTSA ODI 10894291

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Working with the data? Download all 77 complaints as CSV · fetched from NHTSA July 21, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2016 Toyota 4RUNNER Hybrid verdict →