VehicleVerdict

2004 Mitsubishi Diamante problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just 3 complaints on file for the 2004 Mitsubishi Diamante — too few to judge reliability from owner reports alone — but one recall campaign applies to this year, so any used example should have its VIN checked for completed recall work.

3

NHTSA complaints

1

Recalls

0

Investigations

0

Crash-involved

0

Fires reported

0

Injuries

0

Deaths

—

NCAP overall

How does 2004 compare to other Diamante years?

Diamante NHTSA complaints by model year, 2004 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, 2004 highlighted. Red bars are years to avoid.

See all Diamante years to avoid →

What are the most common 2004 Mitsubishi Diamante problems?

ComponentComplaintsShare
Transmission3100%

Does the 2004 Mitsubishi Diamante have recalls?

1 NHTSA recall campaign 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.

Consumer complaints filed with NHTSA

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

“THE DIAMANTE HAS AN ODD ISSUE WHERE THE VEHICLE WILL NOT SHIFT GEARS CORRECTLY WHICH AN EXTREMELY DANGEROUS ISSUE FOR DRIVERS. THE INFORMATION BOARD SHOWS THE TRANSACTION RAPIDLY SWITCHING FROM NEUTRAL TO DRIVE EXCESSIVELY. I HAVE HAD MULTIPLE MECHANIC SHOPS LOOK INTO THIS ISSUE FROM TRANSMISSION…”

Complaint filed with NHTSA · Transmission · October 2, 2018

2004 Mitsubishi Diamante — common questions

Is the 2004 Mitsubishi Diamante reliable?

The record is thin — 3 NHTSA complaints — so owner-report data can't strongly confirm reliability either way, though 1 recall should be verified as completed.

Does the 2004 Mitsubishi Diamante have recalls?

Yes — NHTSA lists 1 recall campaign affecting the 2004 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.