The 2001 Mitsubishi Diamante has 2 NHTSA recall campaigns affecting an estimated 234,432 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 93 complaints with NHTSA, most often about the visibility. Last updated July 5, 2026.
Recall campaigns
EQUIPMENT04V4280002004-09-01100,432 affected
Defect
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
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…
EQUIPMENT04V0670002004-02-11134,000 affected
Defect
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
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.
POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
3
SUSPENSION:FRONT
3
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR
2
ENGINE AND ENGINE COOLING:ENGINE
1
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
1
Total complaints93
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“I have a 2001 mitsubishi diamante, and am having problems that seem to run rampant among this model/make. My heater core went out at about 100k miles; my abs light stays on (due to a speed sensor fail), which renders the whole anti-lock system useless; and now my antenna mast is broken. All of…”
“I have a 2001 mitsubishi diamante, and am having problems that seem to run rampant among this model/make. My heater core went out at about 100k miles; my abs light stays on (due to a speed sensor fail), which renders the whole anti-lock system useless; and now my antenna mast is broken. All of…”
“I have a 2001 mitsubishi diamante, and am having problems that seem to run rampant among this model/make. My heater core went out at about 100k miles; my abs light stays on (due to a speed sensor fail), which renders the whole anti-lock system useless; and now my antenna mast is broken. All of…”
“Heater core is causing the windows to fog up, the car to smell like antifreeze and may be damaging the ecu. There are hundreds of posts online about people having this problem over and over with this car. It is clearly a manufacturers defect and customers are left paying thousands of dollars fo…”
“Heater core went bad at 105,000 miles. This seems to be a manufactoring problem and mitsubihi should adress the issue. *tr”
“Windows are fogging up do t a faulty heater core. I really don't mind repairing the car seeing that it has 120k on it.. I purchased the car brand new and this will be the 3rd heater core!!! What's going on! *tr”
“Just recently started having really foggy windows and started to notice sweet smell coming from car when heater/defrost was turned on. Notified dealer of problem and dealer quickly identified problem as heater core defect. *tr”
“Tl*the contact owns a 2001 mitsubishi diamante. The windows fogged up when the air and heat were activated. The passengers could smell antifreeze. The dealer stated that the heater core failed due to defective o-rings. The heater core was replaced. The current and failure mileages were 65,000.”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2001 Mitsubishi Diamante as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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