Recalls, complaints, and safety data from NHTSA
The 2003 Mitsubishi Diamante has 2 recalls, 69 complaints.
2
Recalls
69
Complaints
N/A
Safety Rating
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 9, 2026
04V428000
EQUIPMENT:OTHER:LABELS
CERTAIN PASSENGER VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 208, 'OCCUPANT CRASH PROTECTION.' THE BIL...
04V067000
EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
CERTAIN SPORT UTILITY AND PASSENGER VEHICLES FAIL TO COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, "CHILD RESTRAINT ANCHORAGE SYSTEMS." ...
Overall
Not Rated
Front Crash
Not Rated
Side Crash
Not Rated
Rollover
Not Rated
Rating for: 2003 Mitsubishi Diamante 4-DR.
| Date ↓ | Component | Summary |
|---|---|---|
| Sep 12, 2018 | TIRES | TL* THE CONTACT OWNS A 2003 MITSUBISHI DIAMANTE EQUIPPED WITH COOPER CS3 TIRES (NA). WHILE DRIVING 2... |
| Jul 1, 2011 | POWER TRAIN | TL* THE CONTACT OWNS A 2003 MITSUBISHI DIAMANTE. THE CONTACT STATED THAT THE HEATER CORE FLUID LEAKE... |
| May 25, 2011 | ENGINE AND ENGINE COOLING | I HAVE A 2003 MITSUBISHI DIAMANTE LS WITH 71677 MILES ON IT ALL OF THE SUDDEN MY HUSBAND (THE PRIMAR... |
| Feb 1, 2011 | FUEL SYSTEM, GASOLINE | TL* THE CONTACT OWNS A 2003 MITSUBISHI DIAMANTE. THE CONTACT STATED THE VEHICLE WAS CONSUMING EXCESS... |
| Apr 11, 2010 | ENGINE AND ENGINE COOLING | TL* THE CONTACT OWNS A 2003 MITSUBISHI DIAMANTE. THE CONTACT STATED HE NOTICED AN UNUSUAL ODOR OF C... |
| Mar 19, 2010 | VISIBILITY | INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). THIS... |
| Jan 1, 2010 | ENGINE AND ENGINE COOLING,VISIBILITY | I HAVE A 2003 MITSUBISHI DIAMANTE WITH 60,000 PLUS MILES. FOR THE PAST SEVERAL MONTHS I HAVE NOTICED... |
| Nov 4, 2009 | ENGINE AND ENGINE COOLING,VISIBILITY | ANTI-FREEZE LEAK ON CARPET PASSENGER SIDE NEAR FIREWALL FOGGED UP WINDOWS CHECK ENGINE LIGHT COMES... |
| Nov 1, 2008 | ENGINE AND ENGINE COOLING | TL- THE CONTACT OWNS A 2003 MITSUBISHI DIAMANTE. THE CONTACT STATED THAT THE NEUTRAL LIGHT ON THE V... |
| Oct 1, 2008 | VISIBILITY | HEATER CORE LEAKAGE CAUSING SMOKE AND ANTIFREEZE ODOR TO COME OUT OF CAR VENTS AND UNDERNEATH DASH B... |
| Aug 9, 2008 | ENGINE AND ENGINE COOLING,POWER TRAIN | I OWN A 2003 MITSUBISHI DIAMANTE, AROUND 60K MILES I STARTED NOTICING A SWEET SMELL FROM THE VENTS A... |
| Jul 10, 2008 | ENGINE AND ENGINE COOLING | I OWN A 2003 DIAMANTE WITH ABOUT 60,000 MILES ON IT. MY WINDOWS CONTINUALLY FOG UP WHILE DRIVING OR... |
| Apr 28, 2008 | ENGINE AND ENGINE COOLING,POWER TRAIN | MY TRANSMISSION RELAY WENT OUT DUE TO A LEAK HEATER CORE. THE CORE HAS BEEN LEAKING FOR SOME TIME A... |
| Mar 29, 2008 | VISIBILITY | DRIVING ALONG AND WINDOWS STARTED TO FOG UP, AND STARTED SMELLING A ODD ODOR. FOUND OUT MY HEATER C... |
| Mar 20, 2008 | ENGINE AND ENGINE COOLING,VISIBILITY | I HAVE 2003 MITSUBISHI DIAMANTE. MY "CHECK ENGINE" LIGHT CAME ON, SO I TOOK IT IN FOR SERVICE, AND M... |
| Dec 19, 2007 | VISIBILITY | 37813 MILES. HEATER CORE LEAKING. NOTICE THE SWEET SMELL AND NOW OVERHEATING OCCURS. *TR |
| Nov 28, 2007 | ENGINE AND ENGINE COOLING,POWER TRAIN | I OWN A 2003 DIAMANTE MITSUBISHI. THE PROBLEM STARTED WITH A CHECK ENGINE LIGHT COMING ON, FOGGING T... |
| Nov 27, 2007 | VISIBILITY | I OWN A 2003 MITSUBISHI DIAMANTE LS WITH 70,000. I PURCHASED THE CAR FROM THE DEALERSHIP BRAND NEW.... |
| Nov 13, 2007 | ENGINE AND ENGINE COOLING,VISIBILITY | THIS IS A MITSUBISHI DIAMANTE 2003 ES. I'M EXPERIENCING A SWEET SMELL OF ANTI-FREEZE INSIDE THE CAR ... |
| Nov 5, 2007 | ENGINE AND ENGINE COOLING | 2003 DIAMANTE ISSUES. STARTED SMELLING A SYRUPY TYPE SMELL, COOLANT SMELL THROUGHOUT THE CABIN AND H... |