Total Complaints
188 filings
TOYOTA 4 RUNNER · model year
188 NHTSA complaints, 1 crash report for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2003TOYOTA4 RUNNER carries 188 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 1 crash, 0 fires, 19 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2003 4 RUNNER is engine and engine cooling:exhaust system with 34 filings, followed by engine and engine cooling:exhaust system:emission control:catalytic convertor (20) and seats (10). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 51 investigation files overlapping the 2003 4 RUNNER, and 1 remain open. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
188 filings
Crashes Reported
1 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM | 34 |
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR | 20 |
| SEATS | 10 |
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL | 7 |
| POWER TRAIN:DRIVELINE | 6 |
| ENGINE AND ENGINE COOLING:ENGINE | 5 |
| SEATS:FRONT ASSEMBLY:RECLINER | 5 |
| POWER TRAIN:AUTOMATIC TRANSMISSION | 4 |
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE | 4 |
| TIRES | 4 |
| UNKNOWN OR OTHER | 4 |
| VEHICLE SPEED CONTROL | 4 |
| ENGINE AND ENGINE COOLING | 3 |
| FUEL SYSTEM, GASOLINE | 3 |
| VISIBILITY:SUN/MOON ROOF ASSEMBLY | 3 |
BRAKE PEDAL GOES AL THE WAY TO THE FLOOR WHEN SITTING AT A STOP . THE 4 RUNNER HAS 3 MASTERS AND ONE COMPLETE POWER BRAKE UNIT INSTALLED BY TOYOTA AND I STILL HAVE THE PROBLEM, TOYOTA STATED IT IS NORMAL. *JB
Mileage: 35,000
I PURCHASED A NEW 2003 4 RUNNER FROM TOMS RIVER TOYOTA. ALL SERVICE OF THE VEHICLE PERFORMED THERE. OVER A YEAR AGO WE COMPLAINED LOW A LOW BRAKE PEDAL. DEALER SAID NOTHING WAS DEFECTIVE. RECENTLY DEALER RECOMMENDED REAR BRAKE SERVICE. PROBLEM STILL NOT RESOLVED. ON LAST SERVICE VISIT THE DEALER ADVISED ME THAT TOYOTA ISSUED A SERVICE BULLETIN REQUIRING A PAD SPACER BEING INSTALLED. BUT NOW DUE THE MILEAGE BEING OVER THE 50000 MILE WARRANTY, DEALER REQUIRES >$ 250. BE PAID BY OWNER TO REPAIR THIS ISSUE. NO SUCH SERVICE BULLETINS WERE FOUND ON THIS WEBSITE SEARCH. *NM
ALL FOUR OF MY DOOR LOCKS HAVE STOPPED WORKING WITH THE AUTOMATIC SYSTEM. EACH REQUIRED A NEW LOCK ACTUATOR TO BE INSTALLED ON EACH DOOR. THE FAILURES OCCURRED AT 26,598 (7/16/04) - FRONT DRIVER, 50,327 (6/10/05) - REAR RIGHT, 67,878 (12/30/05) - FRONT RIGHT, 81,435 (05/2006) - REAR DRIVER. IF A USER DOES NOT NOTICE THE FAILURE, THE POTENTIAL EXISTS FOR CHILDREN IN THE BACKSEAT TO OPEN THE DOOR - AS THE DRIVER BELIEVES THAT THE DOOR IS LOCKED, BUT IT IS NOT. *NM
Mileage: 81,000
DT*: THE CONTACT STATED THE CHILD SEAT WILL NOT STAY SECURED IN THE VEHICLE. THE SEAT IS SECURED IN THE VEHICLE BY THE LATCH SYSTEM AND HAS BEEN INSPECTED BY A CHILD PASSENGER SAFETY TECHNICIAN. THE CHILD SEAT WOBBLES FROM SIDE TO SIDE WHILE OCCUPIED. THE MANUFACTURER HAS BEEN CONTACTED AND SENT A REPLACEMENT BASE HOWEVER THE REPLACEMENT BASE HAS THE SAME PROBLEM AS THE ORIGINAL. THE SEAT IS CURRENTLY NOT BEING USED. DOREL JUVENILE GROUP, EDDIE BAUER, MODEL # 22-630-BAL. DATE OF MANUFACTURE: FEBRUARY 6, 2006.
30 MONTH OLD 2003 TOYOTA 4 RUNNER SPORT. WENT TO USE SPARE TIRE FOR THE FIRST TIME BUT FOUND PLACES ON THE SIDEWALL WHERE THE RUBBER APPEARS TO BE MELTED. THE MARKS LOOK LIKE THEY CORRESPOND TO THE PLACES WHERE THE SPARE TIRE TOUCHES THE UNDERCARRIAGE OF THE VEHICLE WHEN THE SPARE TIRE IS STORED. IT LOOKS TO ME (AS A LAYMAN) THAT THE DAMAGE IS SIGNIFICANT ENOUGH THAT IT COMPROMISES THE SAFETY OF THE TIRE. *JB
Mileage: 45,000
30 MONTH OLD 2003 TOYOTA 4 RUNNER SPORT. WENT TO USE SPARE TIRE FOR THE FIRST TIME BUT FOUND PLACES ON THE SIDEWALL WHERE THE RUBBER APPEARS TO BE MELTED. THE MARKS LOOK LIKE THEY CORRESPOND TO THE PLACES WHERE THE SPARE TIRE TOUCHES THE UNDERCARRIAGE OF THE VEHICLE WHEN THE SPARE TIRE IS STORED. IT LOOKS TO ME (AS A LAYMAN) THAT THE DAMAGE IS SIGNIFICANT ENOUGH THAT IT COMPROMISES THE SAFETY OF THE TIRE. *JB
Mileage: 45,000
I WAS SOLD PRE-OWNED TOYOTA 4RUNNER WITHOUT ITS BEING INSPECTED AND THEN I FELT ILL TREATED TO BE RECALLED TO SIGN A NEW PURCHASE AGREEMENT WITH AN INCREASED INTEREST PERCENTAGE, JUST BECAUSE I AM BLACK! *NM
I WAS SOLD PRE-OWNED TOYOTA 4RUNNER WITHOUT ITS BEING INSPECTED AND THEN I FELT ILL TREATED TO BE RECALLED TO SIGN A NEW PURCHASE AGREEMENT WITH AN INCREASED INTEREST PERCENTAGE, JUST BECAUSE I AM BLACK! *NM
I WAS SOLD PRE-OWNED TOYOTA 4RUNNER WITHOUT ITS BEING INSPECTED AND THEN I FELT ILL TREATED TO BE RECALLED TO SIGN A NEW PURCHASE AGREEMENT WITH AN INCREASED INTEREST PERCENTAGE, JUST BECAUSE I AM BLACK! *NM
SUNROOF/MOONROOF LEAKS AROUND GLASS RUBBER SEAL--SEVERE CORROSION, METAL DEFORMED, EFFECTS OPERATION. *JB
2003 TOYOTA 4 RUNNER TRAILER HITCH CAME APART. *TS WHEN THE TRAILER CAME APART IT STRUCK THE VEHICLE IN THE REAR. THE TRAILER REMAINED ATTACHED TO THE VEHICLE BY THE SAFETY CHAINS . THE RECEIVER BALL SLID OUT OF THE RECEIVER OF THE HITCH DUE TO THE CLIP COMING OFF PIN AND PIN FALLING OUT. *NM
VEHICLE WAS HIT WITH SIGNIFICANT IMPACT ON FRONT DRIVER'S SIDE. DRIVER SUSTAINED FACIAL LACERATIONS, RESTRAINED CHILD SUSTAINED SHOULDER/CLAVICLE INJURY. MINIMUM ESTIMATED DAMAGE TO VEHICLE IS $7000, NEITHER SIDE CURTAIN OR FRONT AIRBAGS DEPLOYED. FRONT AIRBAGS WOULD HAVE LIKELY PREVENTED INJURY TO DRIVER. *NM
Mileage: 53,000
WINDSHIELD CRACKED AT THE VERY PASSENGER EDGE MIDWAY AFTER HAVING THE VEHICLE FOR 9 MOS NEW. THE CRACK PROPOGATED INWARD. UNDER WARRANTY AND REPLACED. TWO MONTHS LATER, SAME EXACT THING HAPPENED, STILL UNDER WARRANTY, REPLACED. YEAR AND A HALF LATER, SAME EXACT THING, SAME EXACT PLACE, NOT UNDER WARRANTY, NOW ALL OF A SUDDEN IT WAS A STONE CHIP AND I HAVE TO PAY FOR THE NEW WINDSHIELD. I BEG TO DIFFER. *NM
INFO COPY LTR FWD TO TOYOTA REGARDING FRONT SUSPENSION LOWER BALL JOINT RECALL, CUSTOMER DISSATISFIED W/QUALITY OF CURRENT TOYOTA VEHICLES. *TS **REFERENCE 10140998*** ON 2 OCCASIONS, THE STARTER WOULD ONLY CLICK. THE VSC, TRAC, VSC OFF AND ABS LIGHTS ILLUMINATED AND STAYED ON FOR A COUPLE OF DAYS AND FINALLY WENT OFF ON THEIR OWN. TWO WEEKS LATER THE LIGHTS ILLUMINATED AGAIN, THE CONSUMER TOOK THE VEHICLE TO THE DEALER AND UPON INSPECTION, THEY DETERMINED A SENSOR INSIDE THE RIGHT WHEEL AREA HAD BEEN DAMAGED. THE DEALER CLAIMED THE CONSUMER RAN OVER SOMETHING. THE CONSUMER REFUSED TO PAY FOR THE REPAIRS. THE DEALER DID INFORM THE CONSUMER IF THE REPAIRS WERE NOT MADE THE ANTI-LOCK BRAKE SYSTEM WOULD NOT WORK. *JB
INFO COPY LTR FWD TO TOYOTA REGARDING FRONT SUSPENSION LOWER BALL JOINT RECALL, CUSTOMER DISSATISFIED W/QUALITY OF CURRENT TOYOTA VEHICLES. *TS **REFERENCE 10140998*** ON 2 OCCASIONS, THE STARTER WOULD ONLY CLICK. THE VSC, TRAC, VSC OFF AND ABS LIGHTS ILLUMINATED AND STAYED ON FOR A COUPLE OF DAYS AND FINALLY WENT OFF ON THEIR OWN. TWO WEEKS LATER THE LIGHTS ILLUMINATED AGAIN, THE CONSUMER TOOK THE VEHICLE TO THE DEALER AND UPON INSPECTION, THEY DETERMINED A SENSOR INSIDE THE RIGHT WHEEL AREA HAD BEEN DAMAGED. THE DEALER CLAIMED THE CONSUMER RAN OVER SOMETHING. THE CONSUMER REFUSED TO PAY FOR THE REPAIRS. THE DEALER DID INFORM THE CONSUMER IF THE REPAIRS WERE NOT MADE THE ANTI-LOCK BRAKE SYSTEM WOULD NOT WORK. *JB
2003 TOYOTA 4RUNNER: JACK AND EQUIPMENT ARE NOT SAFE AND SUITABLE FOR THIS TYPE OF TRUCK. I HAVE HAD TO USE THE JACK EQUIPMENT 2 TIMES TO CHANGE FLATS, THE FIRST TIME THE EQUIPMENT DOES NOT RAISE THE FRONT OF THE CAR HIGH ENOUGH TO CHANGE THE TIRE AND THE WAND USED TO JACK IT UP BENT IN HALF. THE SECOND TIME THE WAND BENT AGAIN AND THE SCREWS TO CONNECT THE WAND WERE STRIPPED CAUSING AN UNSAFE PLACE TO CHANGE THE TIRE. THE EQUIPMENT IS NOT SUITABLE FOR THIS SIZE TRUCK. *NM
PROBLEMS CONCERNING THE MANUAL ON HOW TO ACCESS THE SPARE TIRE EQUIPMENT ON THE 2003 TOYOTA 4 RUNNER.***NO ANSWER REQUIRED***. *MR THE MANUAL'S DIRECTION AND GRAPHICS WERE VERY DIFFERENT FROM HOW THE CONSUMER HAD TO ACCESS THE SPARE ON HIS VEHICLE. THE ARM TO THE JACK USED TO JACK UP THE CAR REQUIRED IT TO BE SCREWED TOGETHER AND WAS NOT HEAVY ENOUGH GAUGE TO JACK UP THE CONSUMER'S SUV. THE JACK DID NOT RISE HIGH ENOUGH TO REMOVE THE TIRE. THE CONSUMER BELIEVES THE JACK AND TOOLS PROVIDED TO CHANGE THE TIRE WERE INFERIOR AND INEFFECTIVE. *NM
EXHAUST SYSTEM EMITS A SULPHUR SMELL THAT COMES INTO THE SEATING AREA
VIBRATION IN STEERING. DEALER CANNOT FIX. WENT TO ARBITRATION AND LOST DUE TO BIASED INVESTIGATOR AND POLICY THAT WOULD NOT ALLOW ARBITRATOR TO DRIVE THE VEHICLE. TWO OTHER DEALERS ACKNOWLEDGE THE VIBRATION BUT SAY IT IS DESIGNED THAT WAY!--ALSO MILEAGE COMPUTER INACCURATE AND EXCESSIVE WIND NOISE.
Mileage: 6,000
VIBRATION IN STEERING. DEALER CANNOT FIX. WENT TO ARBITRATION AND LOST DUE TO BIASED INVESTIGATOR AND POLICY THAT WOULD NOT ALLOW ARBITRATOR TO DRIVE THE VEHICLE. TWO OTHER DEALERS ACKNOWLEDGE THE VIBRATION BUT SAY IT IS DESIGNED THAT WAY!--ALSO MILEAGE COMPUTER INACCURATE AND EXCESSIVE WIND NOISE.
Mileage: 6,000
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.