Problems · NHTSA complaints
2003 Toyota Matrix problems
Owners filed 268 complaints about the 2003 Toyota Matrix with NHTSA between May 2002 and Dec 2018. The most-cited component is power train (83).
Complaints
268
Filed with NHTSA
Crashes
19
Reported by owners
Fires
3
Reported by owners
Injuries
22
People reported injured
Deaths
1
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Power train83
- Air bags57
- Engine and engine cooling25
- Vehicle speed control21
- Service brakes, hydraulic13
- Electrical system12
- Structure12
- Visibility9
- Engine8
- Steering8
- Seat belts6
- Tires6
- Equipment5
- Interior lighting5
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Oct 28, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
14
30
28
14
11
8
21
21
33
15
7
5
12
34
9
2
4
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2002 | 14 |
| 2003 | 30 |
| 2004 | 28 |
| 2005 | 14 |
| 2006 | 11 |
| 2007 | 8 |
| 2008 | 21 |
| 2009 | 21 |
| 2010 | 33 |
| 2011 | 15 |
| 2012 | 7 |
| 2013 | 5 |
| 2014 | 12 |
| 2015 | 34 |
| 2016 | 9 |
| 2017 | 2 |
| 2018 | 4 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Power train
83 reports
“TL* THE CONTACT OWNS A 2003 TOYOTA MATRIX. WHILE DRIVING, THE CHECK ENGINE SENSOR INDICATOR ILLUMINATED AND THE VEHICLE EXPERIENCED HARD SHIFTING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE ECM WAS FAULTY. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 107,000.”
Air bags
57 reports10 crashes1 fire
“TL* THE CONTACT OWNED A 2003 TOYOTA MATRIX. WHILE DRIVING APPROXIMATELY 50 MPH, THE CONTACT REAR ENDED ANOTHER VEHICLE. THE FRONT END OF THE CONTACT'S VEHICLE WAS SEVERELY DAMAGED, BUT THE AIR BAGS DID NOT DEPLOY. THE DRIVER SUSTAINED AN INJURED CHEST AND SHOULDER, WHICH REQUIRED MEDICAL TREATMENT. THE VEHICLE WAS DESTROYED AND TOWED. A POLICE REPORT WAS FILED. THE CAUSE OF THE FAILURE WAS NOT DETERMINED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 190,000.”
Engine and engine cooling
25 reports1 crash
“I WENT TO THE TOYOTA DEALER TO HAVE MY CHECK ENGINE LIGHT CHECK AND FOUND OUT THE I NEED TO REPLACE MY CATALYST CONVERTER AND ECU REPLACE. DEALER SAYS THAT I NEED TO PAY $3000 PLUS TAX. THE REASON WHY I NEED TO REPLACE THE CATALYTIC CONVERTER AND THE ELECTRONIC CONTROL MODULE BECAUSE THEY HAVE A NEW MODULE. I OWN MY CAR SINCE 2003. THIS IS TOYOTA'S FAULT, I SHOULD BE INFORM WHEN A NEW MODULE COMES OUT IN THE MARKET AND I SHOULD NOT HAVE TO PAY FOR THAT. THIS IS A SAFETY HAZZARD. IF I DON'T GET IT FIX, MY CAR WILL NOT START AND I AM NOT ABLE TO RENEW MY TAB BECAUSE OF THE CHECK ENGINE LIGHTS. *TR”
Vehicle speed control
21 reports3 crashes
“I WAS SLOWLY PULLING INTO MY GARAGE (IN THE BASEMENT OF MY HOUSE), GRADUALLY BRAKING AS I HAD DONE MANY TIMES BEFORE. I WAS STOPPING THE VEHICLE IN ITS USUAL POSITION WHEN THE ENGINE SUDDENLY BEGAN RACING AND THE CAR ACCELERATED FORWARD. IT STRUCK SOME SHELVES I HAD AGAINST THE WALL OF THE GARAGE, CRUMPLING BOTH THE SHELVES AND THE FRONT OF THE CAR'S HOOD. EVERYTHING HAPPENED SO FAST AT THAT POINT THAT I AM NOT SURE JUST WHAT HAPPENED, BUT I ENDED UP WITH THE CAR STOPPED UP AGAINST THE GARAGE WALL AND THE CAR IN PARK. I BELIEVE I THREW IT INTO NEUTRAL, THEN APPLIED THE BRAKE SINCE IT WAS STILL MOVING, THEN TRIED TO BACK UP, AND FINALLY PUT IT INTO PARK. THE CAR WAS DECLARED A TOTAL LOSS BY MY INSURANCE COMPANY. I EXPERIENCED THE SAME PROBLEM OF SUDDEN ACCELERATION WHEN STOPPING SEVERAL TIMES PREVIOUSLY, BUT NONE OF THOSE INCIDENTS CAUSED ANY DAMAGE. IN EACH OF THOSE SITUATIONS I WAS ABLE TO GET THE CAR INTO NEUTRAL, STOP IT WITH THE BRAKE, AND CONTINUE ON MY WAY. IN THIS INSTANCE THERE WAS NOT ENOUGH SPACE AHEAD OF ME TO DO THAT SUCCESSFULLY. I KNOW THAT A NUMBER OF INCIDENTS OF UNINTENDED ACCELERATION OF A TOYOTA MATRIX HAVE ALREADY BEEN REPORTED FOR A NUMBER…”
Service brakes, hydraulic
13 reports3 crashes1 fire
“TL* THE CONTACT OWNS A 2003 TOYOTA MATRIX. THE CONTACT WAS DRIVING 40 MPH WHEN THE BRAKES WERE APPLIED AND THE VEHICLE SPUN AROUND FOUR TIMES. THE CONTACT STATED THAT THE GROUND WAS DRY AND THERE WERE NO ROAD HAZARDS. THE CONTACT MERGED ONTO THE SHOULDER FOR ABOUT TWENTY MINUTES AND THEN DROVE HOME. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS NOTIFIED AND A CLAIM WAS FILED. THE VIN WAS UNAVAILABLE. THE FAILURE MILEAGE WAS 24,000. UPDATED 09/27/11 *BF THE CONSUMER STATED SHE APPLIED THE BRAKE VERY LIGHTLY AND THE VEHICLE WENT OUT OF CONTROL. IT APPEARED EITHER THE BRAKE LOCKED OR THE ACCELERATOR LOCKED. UPDATED 09/30/11”
Electrical system
12 reports1 fire
“TL* THE CONTACT OWNS A 2003 TOYOTA MATRIX. WHILE DRIVING APPROXIMATELY 65 MPH, THE VEHICLE LOST POWER AND STALLED WITHOUT WARNING. THE VEHICLE FAILED TO RESTART. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE. THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. PRIOR TO THE FAILURE, WHEN THE VEHICLE WAS STARTED, AN ABNORMAL KNOCKING SOUND EMITTED FROM UNDER THE HOOD OF THE VEHICLE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 171,580.”
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 28, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.