VehicleVerdict

2001 Mitsubishi Diamante problems

Verdict · NHTSA data

One of the years to avoid

With 93 complaints filed to NHTSA — about 2.0 times the median Diamante year — the 2001 model ranks #2 of 12 Diamante years for complaint volume. It lands on the years-to-avoid list.

The trouble concentrates in one system: visibility & wipers issues account for 62% of all reports (58 of 93), far ahead of engine at 14.

93

NHTSA complaints

2

Recalls

0

Investigations

0

Crash-involved

0

Fires reported

6

Injuries

0

Deaths

—

NCAP overall

How does 2001 compare to other Diamante years?

Diamante NHTSA complaints by model year, 2001 highlighted162 complaints1992: 60 complaints1993: 43 complaints1994: 33 complaints1995: 13 complaints1997: 51 complaints1998: 35 complaints1999: 26 complaints2000: 63 complaints2001: 93 complaints2002: 162 complaints2003: 75 complaints2004: 3 complaints
Diamante NHTSA complaints by model year, 2001 highlighted. Red bars are years to avoid.

See all Diamante years to avoid →

What are the most common 2001 Mitsubishi Diamante problems?

ComponentComplaintsShare
Visibility & Wipers5862%
Engine1415%
Tires & Wheels55%
Brakes44%
Transmission44%
Suspension33%
Speed Control11%
Body & Structure11%
Other11%
Electrical System11%
Seat Belts11%

Does the 2001 Mitsubishi Diamante have recalls?

2 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

04V428000OtherSeptember 1, 2004 · 100,432 units

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 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.

04V067000OtherFebruary 11, 2004 · 134,000 units

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.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

“HEATER CORE, PRODUCING TOXIN FUMES, INSIDE THE CAR. THIS IS MY ONLY MEANS OF TRANSPORTATION, I HAVE A TWO YEAR OLD CHILD WHO I DRIVE AROUND EVERY DAY.THIS IS GOING TO COST ME $400.00 DOLLARS IN LABOR, WHICH I DO NOT HAVE, I HAVE NO IDEA WHAT THE HEATER CORE COST. BUT IT MUST BE FIX BEFORE MY FAMILY…”

Complaint filed with NHTSA · Visibility & Wipers · January 31, 2005

“FOR NO PARTICULAR REASON MY CAR FILLS UP WITH THE SMELL OF ANTI-FREEZE COOLANT WHEN I TURN ON THE HEATER. I HAVE READ THAT THIS IS CAUSED BY LEAKING 0-RINGS AND THAT THIS WILL DAMAGE THE COMPUTERS WHICH ARE UNDERNEATH THE LEAK. THE CAR IS A 2001 MITSUBISHI DIAMANTE L.S. THE DEALER SAYS IT IS NOT A…”

Complaint filed with NHTSA · Engine · April 25, 2007

“I AM FEELING A CONSTANT VIBRATION ON THE FRONT END OF CAR, AND I JUST REPLACED THE FRONT TIRES. I CHECKED TO SEE IF THE WEIGHTS ARE STILL ON THE RIM AND THEY ARE. ALL OF A SUDDEN I STARTED TO HEAR A VERY LOUD NOISE AND WHEN I PUSHED THE GAS PEDAL THE VIBRATION WOULD GET WORSE. *TR”

Complaint filed with NHTSA · Tires & Wheels · July 24, 2007

“WHILE DRIVING THE ACCELERATOR PEDAL STUCK AFTER DEPRESSED DUE TO A FRAYED THROTTLE CABLE, IN ADDITION THE TRACTION CONTROL LIGHT CAME ON AND WAS BLINKING ON AND OFF(ATTORNEY FOR CLIENT). NLM”

Complaint filed with NHTSA · Transmission · January 22, 2001

“DISC BRAKE PADS SHOW ACCELERATED WEAR, WITH REPLACEMENT AT 5,000 AND AGAIN AT 17,000 MILES. ABNORMAL WEAR NOT DUE TO "RIDING THE BRAKES". BELIEVE ACCELERATED WEAR COULD LEAD TO PREMATURE BRAKE FAILURE CAUSING ACCIDENT AND POSSIBLE LOSS OF LIFE. MR”

Complaint filed with NHTSA · Brakes

2001 Mitsubishi Diamante — common questions

Is the 2001 Mitsubishi Diamante reliable?

NHTSA data argues against it: 93 complaints put the 2001 model at #2 of 12 Diamante years. It is one of the Diamante years to avoid.

What are the most common 2001 Diamante problems?

According to NHTSA complaint data, the leading problem areas are visibility & wipers (58 complaints), engine (14 complaints), tires & wheels (5 complaints).

Does the 2001 Mitsubishi Diamante have recalls?

Yes — NHTSA lists 2 recall campaigns affecting the 2001 Mitsubishi Diamante. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Which Mitsubishi Diamante years should you avoid?

Based on complaint rates and open investigations, the Diamante years to avoid are 2002, 2001, 2003. The cleanest record among Diamante years belongs to 2004.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.