Does the 2003 Mitsubishi Diamante have any recalls?

Yes. NHTSA lists 2 recalls for the 2003 Mitsubishi Diamante, the most recent reported on September 1, 2004 (Equipment: other, labels). Check a specific car by its VIN at nhtsa.gov/recalls.

What are the most common problems with the 2003 Mitsubishi Diamante?

Owners have filed 56 complaints with NHTSA. The most frequently reported area is visibility (28 complaints), followed by engine and engine cooling (17).

How many 2003 Mitsubishi Diamante complaints mention a crash or fire?

1 of 56 complaints report a crash and 0 a fire; 1 injuries were reported in total. Complaints are unverified reports from owners.

2003 Mitsubishi Diamante recalls and problems

2 recalls and 56 owner complaints on file with NHTSA for the 2003 Mitsubishi Diamante.

recalls

owner complaints

complaints mentioning a crash

mentioning a fire

Recalls apply to specific production ranges. To see whether a particular car still has an open recall, enter its VIN at nhtsa.gov/recalls. Repairs for safety recalls are free at authorised dealers.

2003 Mitsubishi Diamante recalls

Equipment: other, labels

NHTSA campaign 04V428000 · reported September 1, 2004 · MITSUBISHI CARIBBEAN · 100,432 vehicles potentially affected

The problem: 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.
The risk: This does not meet the requirements of the standard.
The fix: 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.

Equipment: other, owners/service/other manual

NHTSA campaign 04V067000 · reported February 11, 2004 · MITSUBISHI MOTORS NORTH AMERICA, INC. · 134,000 vehicles potentially affected

The problem: 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.
The risk: 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.
The fix: 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.

Most reported problems

Areas named in owner complaints to NHTSA. One complaint can name several areas.

Visibility28
Engine and engine cooling17
Power train4
Service brakes, hydraulic4
Equipment3
Suspension3
Tires3
Electrical system2
Fuel system, gasoline2
Air bags1

What owners report

Recent complaints filed with NHTSA, shortened. These are unverified accounts from owners, not findings.

Jul 22, 2019 · Tires · 216,242 miles
TL* THE CONTACT OWNS A 2003 MITSUBISHI DIAMANTE EQUIPPED WITH COOPER CS3 TIRES (NA). WHILE DRIVING 25 MPH, AIR FROM THE VEHICLE'S FRONT DRIVER SIDE TIRE BEGAN TO BE RELEASED. THE CONTACT PULLED THE VEHICLE INTO A FUEL STATION/REPAIR SHOP WHERE THE TIRE WAS REPLACED. THE CONTACT TOOK THE VEHICLE TO THE INDEPENDENT…

Mar 13, 2013 · Power train · 164,000 miles
TL* THE CONTACT OWNS A 2003 MITSUBISHI DIAMANTE. THE CONTACT STATED THAT THE HEATER CORE FLUID LEAKED ONTO THE CENTRAL COMPUTER AND CAUSED THE TRANSMISSION TO FAIL. IN ADDITION, THE GEAR SHIFTER COULD NOT BE RELEASED FROM THIRD GEAR. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE VEHICLE WAS NOT REPAIRED. THE…

Jun 2, 2011 · Engine and engine cooling · 71,677 miles
I HAVE A 2003 MITSUBISHI DIAMANTE LS WITH 71677 MILES ON IT ALL OF THE SUDDEN MY HUSBAND (THE PRIMARY DRIVER) TELLS ME THAT EVERY TIME HE GETS OUT OF THE CAR HE FEELS LIGHT HEADED AND NAUSEOUS. DAYS LATER THE FRONT WINDSHIELD STARTED FOGGING UP WHILE DRIVING AND AFTER TURNING THE CAR OFF (WHETHER IT IS WARM OR COLD…

Apr 20, 2011 · Fuel system, gasoline · 60,000 miles
TL* THE CONTACT OWNS A 2003 MITSUBISHI DIAMANTE. THE CONTACT STATED THE VEHICLE WAS CONSUMING EXCESSIVE AMOUNTS OF FUEL AND SHE WAS CONCERNED THE VEHICLE WOULD PREMATURELY RUN OUT OF FUEL WHILE DRIVING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT REPAIR SHOP WHERE THE CONTACT WAS TOLD THAT THE INTAKE AIR TEMPERATURE…

May 20, 2010 · Engine and engine cooling · 60,000 miles
TL- THE CONTACT OWNS A 2003 MITSUBISHI DIAMANTE. THE CONTACT STATED THAT THE NEUTRAL LIGHT ON THE VEHICLE STARTED FLASHING ON AND OFF AND HE NOTICED A SMELL OF COOLANT. HE NOTICED THAT THE COOLANT WAS LEAKING ONTO THE FLOORBOARD OF THE VEHICLE. THE FAILURE PROGRESSES UNTIL THE VEHICLE WILL NOT START. THE VEHICLE WAS…

Diamante model years compared

Year	Recalls	Complaints	Crashes
2000	3	51	3
2001	2	78	0
2002	3	123	4
2003	2	56	1
2004	1	3	0

Across all years, the 2002 Diamante has the most complaints (123). All Mitsubishi Diamante years →

Questions

Does the 2003 Mitsubishi Diamante have any recalls?: Yes. NHTSA lists 2 recalls for the 2003 Mitsubishi Diamante, the most recent reported on September 1, 2004 (Equipment: other, labels). Check a specific car by its VIN at nhtsa.gov/recalls.
What are the most common problems with the 2003 Mitsubishi Diamante?: Owners have filed 56 complaints with NHTSA. The most frequently reported area is visibility (28 complaints), followed by engine and engine cooling (17).
How many 2003 Mitsubishi Diamante complaints mention a crash or fire?: 1 of 56 complaints report a crash and 0 a fire; 1 injuries were reported in total. Complaints are unverified reports from owners.

Source: NHTSA recall and complaint data, updated October 27, 2026. Latest complaint received July 22, 2019.