Problems owners report
Complaints filed with NHTSA about the 2001 Mitsubishi Diamante, by the system named in each complaint. One complaint can name several.
- Visibility56
- Engine and engine cooling14
- Power train4
- Service brakes, hydraulic4
- Tires3
- Suspension3
- Structure1
- Traction control system1
- Wheels1
- Seat belts1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 6 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
New York safety inspections
At its first New York inspection the 2001 Mitsubishi Diamante failed the safety check 3.77% of the time — 88% more often than the average 2001 passenger car (2.00%). Median odometer at inspection: 110,315 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
In New Zealand
108 2001 cars are on the New Zealand register; 4% arrived as used imports, 95% were sold new in New Zealand.
NZ Transport Agency Waka Kotahi, Motor Vehicle Register (March 2026) · CC BY 4.0
Recalls
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.
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.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Mitsubishi told its dealers about the 2001 Mitsubishi Diamante: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 637152 | BULLETIN REVIEW REGARDING TSB-02-42A-003 CORRECTING THE KEYLESS ENTRY CODE REGISTRATION METHOD - SERVICE MANUAL REVISION. *TT |
| 637139 | BULLETIN REVIEW REGARDING TSB-02-13-003 - ENGINE ELECTRONIC CONTROL UNIT (ECU) BACKUP POWER SUPPLY CIRCUIT - SERVICE MANUAL REVISION. *TT |
| 637137 | BULLETIN REVIEW REGARDING TSB-02-13-002 ON DIAGNOSING DIAGNOSTIC TROUBLE CODE 72 AND 73 / TCL LIGHT COMING ON. *TT |
| 637108 | BRIEF INFORMATION ON CONSOLE LID INSTALLATION. *TT |
| 637074 | INFORMATION ON A DIAGNOSTIC TROUBLE CODE P0174 SET *TT |
| 636976 | BULLETIN REVIEW TSB-02-42A-009 REGARDING LOOSE DRIPLINE WEATHERSTRIP. *TT |
| 636944 | SUBJECT REGARDING INOPERATIVE TACHOMETER. *TT |
| 636855 | BULLETIN REVIEW REGARDING TSB-02-23-004 - REVISES BOLT TIGHTENING TORQUE VALUES FOR TRANSMISSION OUTPUT SHAFT RETAINER AND TRANSMISSION OIL PUMP. *TT |
| 636835 | INFORMATION ON DIAGNOSING AN INOPERATIVE TACHOMETER. *TT |
| 636825 | ON SOME VEHICLES, CUSTOMERS MAY FIND THAT WHEN PROGRAMMING THE RKE ANSWERBACK FUNCTION THE DESIRED FUNCTION CHANGE MAY NOT TAKE PLACE. *TT |
| 635129 | THIS BULLETIN DESCIRBES HOW TO SECURE A LOOSE DRIPLINE WEATHERSTRIP. *TT |
| 635099 | THIS BULLETIN REVISES THE TIGHTENING TORQUE VALUES FOR THE TRANSMISSION OUTPUT SHAFT RETAINER BOLTS AND THE TRANSMISSION OIL PUMP MOUNTING BOLTS. *TT |
| 631467 | SUBJECT REGARDING DIAGNOSTIC TROUBLE CODES P0171 AND P0174 FOR V6 MODELS. *LC |
| 631286 | CUSTOMERS MAY COMPLAIN OF INEFFICIENT AIR CONDITIONER COOLING AND EVAPORATOR ICING UP. *TT |
| 629347 | SUBJECT REGARDING HEATER CORE GASKET FOR HEATER CORE LEAKAGE. *TT |
| 629333 | CUSTOMERS MAY COMPLAIN OF A FUEL TANK POPPING OR OIL-CANNING NOISE WHILE DRIVING OR WHEN THE VEHICLE IS PARKED. *TT |
| 628977 | SUBJECT REGARDING DOOR GLASS ADJUSTMENT - SERVICE MANUAL REVISION. *TT |
| 627259 | VEHICLES MAY EXPERINCE FUEL TANK POPPING OR OIL CANNING NOISE. *JB |
| 627232 | SOME VEHICLES MAY EXPERIENCE STEERING WHEEL VIBRATION. *JB |
| 627225 | SOME VEHICLES MAY EXPERIENCE TRACTION CONTROL ON-OFF LIGHT ILLUMINATING. *JB |
| 627224 | INFORMATION ON DIAGNOSTIC TROUBLE CODE P0133 OXYGEN SENSOR CIRCUIT SLOW RESPONSE. *JB |
| 627114 | SUBJECT REGARDING HEATER CORE LEAKAGE.*JB |
| 622430 | THIS BULLETIN CONTAINS DIAGNOSTIC INFORMATION FOR TCL DIAGNOSTIC TROUBLE CODES 72 AND 73, PCM CIRCUIT SYSTEM DIAGNOSIS, WHICH WAS OMITTED FROM THE ORIGINAL SERVICE MANUAL. *TT |
| 622417 | THIS BULLETIN CONTAINS NEW, REVISED STEERING RACK OVERHAUL PROCEDURES BECAUSE OF REVISED CONSTRUCTION AND CONFIGURATION OF THE INTERNAL PARTS. *TT |
| 618247 | INFORMATION PERTAINING TO ANTI-LOCK BRAKE SYSYTEM ADAPTER HARNESS. *JB |
NHTSA manufacturer communications (public domain)