IllustrationWHILE SERVICING THE VEHICLE MECHANIC DISCOVERED THAT DRIVER'S SIDE HEATED SEAT BURNED. CONSUMER WAS UNAWARE OF THE DEFECT. *AK
2003 Mitsubishi Diamante
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2003 Mitsubishi Diamante do not stand out strongly from the model-year median of 31.5.
About this comparison →How this year compares
Owner complaints by model year
Compare all Diamante years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
80–25K
1025–50K
1950–75K
475–100K
1100–150K
2150K+
44 reports with mileage · 12 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.
- Visibility. Review the 28 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 17 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Power Train. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
1 crash reports0 fire reports1 injury reports
What owners actually said
56 reportsWHEN THE BRAKES WERE APPLIED, THE VEHICLE VIBRATED UNCONTROLLABLY. THE DRIVER WAS ABLE TO MAINTAIN CONTROL OF THE VEHICLE AND DROVE IT TO A REPAIR SHOP FOR INSPECTION. THE MECHANIC INFORMED THE CONSUMER THAT THE ROTORS AND PADS MAY NEED TO BE REPLACED. *JB THE CONSUMER FOUND NOTHING APPARENTLY WRONG BEFORE THE PARTS WERE D…
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WHEN THE BRAKES WERE APPLIED, THE VEHICLE VIBRATED UNCONTROLLABLY. THE DRIVER WAS ABLE TO MAINTAIN CONTROL OF THE VEHICLE AND DROVE IT TO A REPAIR SHOP FOR INSPECTION. THE MECHANIC INFORMED THE CONSUMER THAT THE ROTORS AND PADS MAY NEED TO BE REPLACED. *JB THE CONSUMER FOUND NOTHING APPARENTLY WRONG BEFORE THE PARTS WERE DISCARDED. *SC *JB
2003 DIAMANTE PURCHASED IN OCT 2003. VEHICLE VIBRATED "HORRIBLY" WHEN BRAKES ARE APPLIED. VIBRATION/LOUD HIGHWAY TIRE NOISE. BOTH REAR TIRES "CUP". ALSO, RUBBING SOUND R/F WHEEL AREA WHEN TURNING. DESPITE SEVEN (7) ATTEMPTS AT REPAIR BY DEALER THIS CONDITION PERSISTS. ONGOING CONDITION. MANUFACTURING REP OFFERS TO PUT ON THI…
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2003 DIAMANTE PURCHASED IN OCT 2003. VEHICLE VIBRATED "HORRIBLY" WHEN BRAKES ARE APPLIED. VIBRATION/LOUD HIGHWAY TIRE NOISE. BOTH REAR TIRES "CUP". ALSO, RUBBING SOUND R/F WHEEL AREA WHEN TURNING. DESPITE SEVEN (7) ATTEMPTS AT REPAIR BY DEALER THIS CONDITION PERSISTS. ONGOING CONDITION. MANUFACTURING REP OFFERS TO PUT ON THIRD NEW SET OF TIRES IN 30K MILES; YET STATES THERE IS NOTHING WRONG WITH THE VEHICLE. DEALER'S SERVICE DEPT ACKNOWLEDGES PROBLEMS WITH BRAKES ON DIAMANTES. WE HAVE BEEN FORCED TO EMPLOY AN ATTORNEY TO GO THE ROUTE OF INVOKING THE NC LEMON LAW. *AK
THE FACTORY TIRES ON THIS VEHICLE ARE BAD. I HAVE GOTTEN 3 FLAT TIRES IN THE LAST 2 WEEKS. THEY WEAR DOWN EXTREMELY FAST AND BLOW OUT VERY EASILY.*AK
I HAVE A NEW 2003 MITSUBISHI DIAMANTE, WHICH IVE TAKEN BACK TO THE DEALERSHIP 3 TIMES NOW WITH THE SAME TWO ISSUES: THE FRONT BREAKS MAKE NOISE AND MY STEARING WHEEL VIBRATES WHEN I BRAKE AND THE CHECK ENGINE SERVICE SOON LIGHT KEEPS COMING ON.*AK ONE OF THE DEALERS EMPLOYEES TOLD ME THAT THE BRAKES ISSUES WAS VERY COMMON A…
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I HAVE A NEW 2003 MITSUBISHI DIAMANTE, WHICH IVE TAKEN BACK TO THE DEALERSHIP 3 TIMES NOW WITH THE SAME TWO ISSUES: THE FRONT BREAKS MAKE NOISE AND MY STEARING WHEEL VIBRATES WHEN I BRAKE AND THE CHECK ENGINE SERVICE SOON LIGHT KEEPS COMING ON.*AK ONE OF THE DEALERS EMPLOYEES TOLD ME THAT THE BRAKES ISSUES WAS VERY COMMON AS SOMETIMES THE CARS SIT FOR A LONG TIME IN A LOT BEFORE THEY ARE SOLD. THIS DOES NOT MAKE FEEL SAFE DRIVING THIS VEHICLE AT THIS MOMENT. THE DEALER WILL FIX THE LIGHT AND BRAKE ISSUE ASSURING ME THAT ITS ALL FINE NOW BUT THE PROBLEM KEEPS COMING BACK. IVE PLACED A CALL TO THE MITSUBISHI MOTORS COMPANY ABOUT THIS AND THEY TOLD ME THAT THEY NEED TO REVIEW THE CASE TO FIGURE OUT WHAT TO DO ABOUT IT.
2003/MITSUBISHI/DIAMANTE VR-X ON OCT 18 2003 I GOT MY NEW CAR AND IT HAS BEEN SHAKING AT ALL TIMES IT WAS IN ON MONDAY 20 TUESDAY 21 WEDNESDAY 22 FROM 22 OF OCT TO 27 I AM STILL NOT DRIVING MY CAR I HAV NO SEEN IT AND MY SHAKING IT STILL NOT FIXED.*AK
Official recalls
204V428000 · Equipment:other:labels
Sep 1, 2004
CERTAIN PASSENGER VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 208, 'OCCUPANT CRASH PROTECTION.' THE BILINGUAL ENGLISH/SPANISH REMOVABLE AIR BAG WARNING LABELS AFFIXED TO THE DASH AND TO THE SUNVISOR DO NOT MEET THE SIZE REQUIREMENTS OF THE STANDARD.
Consequence & remedy
Consequence: THIS DOES NOT MEET THE REQUIREMENTS OF THE STANDARD.
Remedy: MITSUBISHI CARIBBEAN WILL MAIL A CUSTOMER NOTIFICATION LETTER CONTAINING A WRITTEN DESCRIPTION AND A GRAPHIC OF THE BI-LINGUAL DASHBOARD AIR BAG WARNING LABEL. IN ADDITION, ALL CURRENT 2000-2004 NATIVA OWNERS WILL ALSO RECEIVE REPLACEMENT AIR BAG ALERT LABELS FOR THE SUN VISORS. THIS RECALL IS EXPECTED TO BEGIN DURING MARCH OR APRIL 2005. THE NOTIFICATION TO THE NATIVA OWNERS IS EXPECTED TO BEGIN DURING APRIL OR MAY 2005. OWNERS SHOULD CONTACT MITSUBISHI CARIBBEAN AT 1-787-251-8715.
04V067000 · Equipment:other:owners/service/other Manual
Feb 11, 2004
CERTAIN SPORT UTILITY AND PASSENGER VEHICLES FAIL TO COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, "CHILD RESTRAINT ANCHORAGE SYSTEMS." THE OWNER'S MANUAL DOES NOT CONTAIN A STEP-BY-STEP DESCRIPTION FOR HEADREST ADJUSTMENT WHEN INSTALLING A CHILD RESTRAINT SYSTEM (CRS) TETHER STRAP.
Consequence & remedy
Consequence: IF THE TETHER STRAP IS IMPROPERLY INSTALLED TO THE TETHER ANCHOR, THE CHILD SAFETY SEAT MAY NOT BE SUFFICIENT RESTRAINED. IN THE EVENT OF A CRASH, THE CHILD COULD BE INJURED.
Remedy: A LETTER OUTLINING THE PROBLEM WILL BE SENT TO OWNERS ALONG WITH A STICKER CONTAINING THE CORRECT INSTRUCTIONS AS WELL AS INSTRUCTIONS ON WHERE TO AFFIX THE STICKER IN THE OWNER'S MANUAL. THE RECALL BEGAN ON MARCH 29, 2004. OWNERS SHOULD CONTACT MITSUBISHI AT 1-888-648-7820.
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
0No exact-year investigations in this snapshot.