51 complaints reported

2003 Toyota 4Runner UNKNOWN OR OTHER

Owner-reported problems and safety issues filed with NHTSA. Review common failures, severity levels, and complaint trends over time.

Reports
51
Crashes
2
Fires
0
Injuries
0

Complaint Timeline

Chronological view of owner reports

Sep 2025

While my mechanic was servicing a small exhaust leak on my vehicle he noticed that the chassis/frame of the vehicle was heavily corroded. He told me that he believe it was no longer safe to drive and that I contact Toyota. I had a local Toyota service center also look at it and they confirmed that the chassis/frame was heavily corroded and unsafe to drive.

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Sep 2025
Aug 2023

Frame is rotted from front to back

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Aug 2023
Jul 2022

Rusted frame

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Jul 2022
Jan 2022

The frame has rusted out. It has many large holes throughout and will not pass State Inspection and is deemed unsafe.

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Oct 2021
Sep 2021

The frame is rusted beyond repair and is dangerous to drive. The frame cross members are rusted through. One cross member that supports the transfer case is about to fail and would cause the transfer case to drop out of the bottom of the truck causing a catastrophic failure and possible accident. The vehicle cannot be driven. The problem is unrepairable. The truck has to be junked. The problem was brought to my attention by the Toyota Service Rep during a routine service appointment. The rust appeared several years ago but not to this extent.

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Jul 2021
Jan 2021

THE AUTO HAS 130,000 BUT THE FRAME HAS RUSTED THROUGH IN SEVERAL PLACES AND IS CONSIDERED UNSAFE TO DRIVE.

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Jan 2021
Sep 2020

THIS 2003 4RUNNER HAS 85K MILES ON IT AND HAS SEVERE RUST ON THE FRONT CORNERS OF THE FRAME. THE SAFETY OF DRIVING THIS VEHICLE IS QUESTIONABLE. THERE'S ALSO SIGNIFICANT RUST ON OTHER METAL COMPONENTS AS WELL. I PREVIOUSLY OWNED A 2006 TUNDRA THAT WAS RECALLED FOR SEVERE FRAME RUST AND I KNOW SEVERAL OTHER PEOPLE THAT HAD TUNDRAS AND TACOMAS WITH SEVERE RUST PROBLEMS ON THE FRAME. THE 4RUNNER HAS A TRUCK FRAME UNDER IT LIKE THE OTHER TOYOTA TRUCKS AND HAS THE SAME FRAME RUST ISSUES. WHY IS THERE NO RECALL FOR THE 4RUNNER?

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Sep 2020
Sep 2020

TOOK 2003 4RUNNER TO DEALER FOR ALIGNMENT. WAS INFORMED THAT FRAME HAS RUSTED TO POINT OF MAKING CAR UNSAFE TO DRIVE. NO OTHER ORIGINAL COMPONENTS HAVE RUST.

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Aug 2020
Jun 2020

FRAME ON 2003 TOYOTA 4RUNNER IS COMPLETELY RUSTED. GAS TANK STRAPS ARE ROTTED AND RUSTED ALONG WITH THE PLATE UNDERNEATH THE GAS TANK IS COMPLETELY RUSTED. TRIED TO GET THEM REPLACED AND THE SERVICE ADVISOR DAMAGED HIS TOOLS TRYING TO GET THE BOLTS OUT. ALSO HAD TO REPLACE THE SKID PLATE IN THE FRONT OF THE VEHICLE. IT WAS COMPLETELY RUSTED THROUGH AND JUST HANGING OFF THE FRONT OF THE TRUCK. NOW THE FRAME IS COMPLETED RUSTED AND OUR SERVICE TECHNICIAN TOLD US THAT IT NEEDS TO BE REPLACED. TOOK IT TO A AUTO BODY REPAIR SHOP, TECHNICIAN WORKED FOR TOYOTA FOR 30 YEARS AND TOLD US TO CALL THEM BECAUSE THE FRAME SHOULD BE REPLACED. TOYOTA DOES NOT AGREE.

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: May 2019
Jun 2020

FRAME RUSTING EXCESSIVLY

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Apr 2019
May 2020

THE ENTIRE FRAME IS RUSTING AWAY I HAD A MECHINIC LOOK AT IT AND HE SAID 'IT IS NOT SAFE TO DRIVE THERES NO STRENGTH IN THE FRAME IF YOU GET INTO A CRASH ' THE TRUCK HAS ONLY 105,000 MILES ON IT

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Jan 2010
Feb 2020

I OWN A 2003 TOYOTA 4RUNNER. I WAS AWARE THAT TOYOTA HAD ISSUES WITH THE TACOMA, TUNDRA, AND SEQUOIA VEHICLES WITH RUSTING FRAMES, BUT I WAS UNAWARE THAT THE 4RUNNERS WERE PLAGUED WITH THE SAME FRAME ROT ISSUES. I HAVE OWNED THE 4RUNNER FOR OVER A YEAR AND HAVE HAD TO REPAIR THE FRAME DUE TO RUST THROUGH ISSUES NOW ON THREE SEPERATE OCCASIONS. THE FRAME IS VERTUALLY A TOTAL LOSS. THE ENGINE, TRANSMISSION, AND OTHER COMPONENTS ARE GREAT, BUT THE FRAME RUST HAS MADE THE VEHICLE TOO UNSAFE TO CONTINUE TO OWN.

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Jul 2020
Feb 2020 Crash

RUSTY FRAME

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Dec 2019
Jan 2020

FRAME ROTTING. 4 RUNNER GARAGED AND SHORT COMMUTE. VERY WELL MAINTAINED AT LOCAL DEALER. VEHICLE LOW MAINTENANCE. ROTTING REPORTED BY TOYOTA TECHNICIAN.

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Oct 2019
Oct 2019

THE FRAME IS RUSTED WITH AREAS THAT NEED TO BE REPAIRED OR FRAME REPLACED. WHEN THE VEHICLE IS IN MOTION THE STEERING WHEEL MOVES BACK AND FORTH AFTER HITTING A BUMP. IT IS LIKE THE FRONT END IS LOSE. I HAVE HAD IT ALIGNED, SO IT IS NOT OUT OF ALIGNMENT.

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Oct 2019
Sep 2019

STRUCTURE COMPLAINT. FRAME , FRAME MOUNTING POINTS, AND SUSPENSION MOUNTING POINTS. HEAVY RUST. UPON MAINTENANCE DIAGNOSTICS FOR EVAP SYSTEM THE MECHANICS INDICATED SIGNIFICANT SERIOUS CORROSION PROBLEMS WITH THE FORWARD AND REARWARD SECTIONS OF THE FRAME. SIGNIFICANT AND DANGEROUS DETERIORATION TO MOUNTING POINTS FOR TRACK BARS, BRAKE LINE BRACKETS, AND OTHER SUSPENSION COMPONENTS. STRUCTURALLY THE FRAME IS QUESTIONABLE IN PLACES AND LIKELY HAZARDOUS TO CONTINUE DRIVING, RECOMMENDED THAT VEHICLE BE RETIRED AS IS.

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Jul 2019
Aug 2019

THE FRAME ON MY 2003 TOYOTA 4RUNNER HAS SEVERE RUST DAMAGE. I HAVE ALWAYS TAKEN GREAT CARE OF THIS TRUCK. REGULAR WASHING, CLEANING, MAINTENANCE ETC... I HAVE TRIED TO GRIND OFF THE RUST, USE RUST INHIBITING PRODUCTS, AND UNDERCOATING WITHOUT ANY LUCK. THE TRUCK IS IN EXCELLENT CONDITION, BUT THE FRAME IS ROTTING AWAY RIGHT BEFORE MY EYES. I'M AFRAID THIS $37000 TRUCK WILL NOT MAKE IT TO 75000 MILES. I KNOW TOYOTA HAS HAD RECALLS ON THE TACOMA AND TUNDRA TRUCK FRAMES, BUT DID NOT INCLUDE THE 4RUNNERS FOR SOME REASON. THE 4RUNNER TRUCK FRAMES ARE TOTAL JUNK AND SHOULD ALSO BE RECALLED. THANK YOU FOR YOUR HELP IN THIS MATTER.

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Dec 2019
Aug 2019

MY 2003 TOYOTA 4RUNNER ONLY HAS 79,000 MILES ON IT AND THE FRAME HAS PREMATURELY RUSTED WITH LARGE HOLES THROUGHOUT. THE COUPLING BETWEEN THE STEERING SHAFT AND THE RACK AND PINION IS COMPLETELY ROTTED. THE STEERING SHAFT WAS ALMOST COMPLETELY RUSTED THROUGH CAUSING FAULTY STEERING. MY MECHANIC HAS DEEMED THE CAR UNSAFE TO DRIVE.

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Jan 2018
Jul 2019

MY 2003 TOYOTA 4RUNNER IS SUFFERING FROM WIDESPREAD UNDERSIDE RUST. INCLUDING BUT NOT LIMITED TO THE FRAME, RADIATOR SUPPORT, SUSPENSION COMPONENTS, BRAKE LINES AND TOW HITCH.

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Jan 2018
Jul 2019

THE FRAME OF MY VEHICLE IS EXTREMELY RUSTED FOR IT'S AGE. EVERY COMPONENT ATTACHED TO THE FRAME IS OVERLY RUSTED AS WELL. IT IS SPREADING LIKE A VIRUS THROUGHOUT THE UNDER BODY. I AM BECOMING INCREASINGLY CONCERNED ABOUT HAULING, TOWING, OR EVEN DRIVING MY VEHICLE DUE TO THIS RUST. WITH ONLY 172,000 MILES, THIS SHOULD NOT BE OCCURRING. I HAVE BEEN KEEPING IT IN A GARAGE FOR THE PAST 5 YEARS BUT AS THE 2ND OWNER IT'S PROBABLY TOO LITTLE, TOO LATE. TOYOTA SHOULD RECALL THESE VEHICLES AS THEY DID SOME OTHER MODELS.

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Jul 2019
Jun 2019

FRAME IS RUSTING THROUGH WHERE "FRONT CLIP" JOINS SIDE RAILS. FOUND DURING NORMAL VEHICLE SERVICE. VEHICLE DEEMED "SAFE" TO USE AT PRESENT, BUT THE FRAME WILL FAIL IN THE FUTURE. VEHICLE WAS PURCHASED NEW, ONE OWNER, GARAGED, APPROXIMATELY 125,000 MILES, ALL STREET MILES, NEVER OFF-ROADED.

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Nov 2019
May 2019

FRAME IS VERY RUSTED AND I FEEL IT MAY BECOMING UNSAFE TO DRIVE. I RECENTLY HAD A RECALL ON MY 2006 TOYOTA TACOMA DUE TO RUST AND THE FRAME WAS REPLACED. MY 2003 TOYOTA 4RUNNER HAS MORE RUST THAN THE TACOMA DID AND WOULD EXPECT THAT IT SHOULD ALSO BE RECALLED AS WAS THE TACOMA FOR THE EXTENSIVE RUST.

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: May 2019
Apr 2019

HAD THIS VEHICLE FOR 4 MONTHS. LOW OWNER COUNT, AND 160K MILES WITH GOOD MAINTENANCE HISTORY. NOTICED A SLIGHT SWAY AT TIMES ON THE ROAD, SUSPECTED TIRES AND/OR ALIGNMENT. AFTER REPLACING AND SERVICING IT, IT WAS DISCOVERED THE FRAME IS ROTTED OUT EXTREMELY BAD FROM FRONT TO BACK. THE PASSENGER SIDE FRAME RAIL IS COMPLETELY OPEN ON THE BOTTOM FROM CORROSION, CAUSING STABILITY ISSUES AND NOW THE VEHICLE IS UNSAFE TO DRIVE.

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Apr 2019
Mar 2019

EXCESSIVE FRAME RUST PREVENTING IT FROM PASSING INSPECTION

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Nov 2018
Feb 2019

THE FRAME ON MY 2003 4RUNNER IS COMPLETELY RUSTED BEYOND WHAT IS REASONABLE AND SAFE. I PURCHASED THE 4RUNNER NEW AND NOW I HAVE BEEN TOLD BY SEVERAL AUTO REPAIR SHOPS THE FRAME IS NOT SAFE TO DRIVE. SOME SHOPS REFUSE TO PUT THE 4RUNNER ON A LIFT IN FEAR THE FRAME WILL BREAK. THIS IS A SERIOUS ISSUE AND I FEAR FOR THE SAFETY OF MY FAMILY. I FEEL THIS RUST ISSUE IS THE FAULT OF TOYOTA TO NOT PREP THE FRAME TO RESIST CORROSION.

Type: Vehicle, Vehicle: 2003 TOYOTA 4RUNNER, Manufacturer: Toyota Motor Corporation
Incident: Oct 2018

Trend Over Time

Complaints by year

Quick Summary

The 2003 Toyota 4Runner has 51 UNKNOWN OR OTHER complaints on file. 2 crashes have been reported. Review the timeline above for detailed owner experiences.