FaultScore

Mitsubishi Diamante electrical problems

26 of the 657 complaints filed about the Mitsubishi Diamante are about the electrical system — 4% of everything owners reported. The worst model year for it is 2002.

26

Complaints

4%

Share of all complaints

1

Crashes

1

Fires

Electrical System complaints by model year

1992 Diamante 8 30.8%
1993 Diamante 1 3.8%
1997 Diamante 2 7.7%
1998 Diamante 2 7.7%

Median failure at 900,000 miles

2000 Diamante 2 7.7%
2002 Diamante 9 34.6%

Median failure at 50,000 miles

2003 Diamante 2 7.7%

Median failure at 40,000 miles

What owners said

2002 Mitsubishi Diamante at 65,289 miles Perth Amboy, NJ

ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2002 MITSUBISHI DIAMANTE. WHILE DRIVING AT 45 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING. THE DEALER WAS UNABLE TO DIAGNOSE THE CAUSE OF THE FAILURE AND STATED THAT THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 02V100001 (ELECTRICAL SYSTEM.) THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 65,289.

NHTSA complaint #10684089 — an unverified report by a vehicle owner.

2002 Mitsubishi Diamante at 140,000 miles Orangeburg, SC Crash

ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2002 MITSUBISHI DIAMANTE. THE CONTACT STATED THAT WHILE DRIVING AT 75 MPH, THE CONTACT ATTEMPTED TO BRAKE BUT THE BRAKES FAILED TO RESPOND WITHOUT ANY WARNINGS. THE VEHICLE CRASHED INTO A PASSENGER VAN. THE VEHICLE WAS DESTROYED. THE CONTACT MENTIONED THAT TWO MONTHS PRIOR TO THE FAILURE THE CHECK ENGINE LIGHT HAD ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR DIAGNOSIS AND WAS INFORMED THAT THE VEHICLE MISFIRES, NEEDED SPARK PLUGS, A FUEL PUMP, A FUEL INJECTOR, AN EGR VALVE, AND THE ENGINE SURGED ERRATICALLY. THE FAILURE AND CURRENT MILEAGE WAS 140,000. UPDATED 12/06/12*LJ UPDATED 12/6/2012

NHTSA complaint #10478125 — an unverified report by a vehicle owner.

2002 Mitsubishi Diamante at 94,000 miles Raccoon, KY

ELECTRICAL SYSTEM

I HAVE A '02 MITSUBISHI DIAMANTE AND I HAVE HAD PROBLEMS OUT OF THE HEATER CORE LEAKING AND NOW ITS AFFECTED MY ECU (COMPUTER) I CALL THE DEALERSHIP AND THEY WANT OUTRAGEOUS PRICES TO FIX OR EVEN CHECK MY CAR.. I THINK THAT SINCE ITS A PROBLEM FROM THE DEALER THEY SHOULD RECALL THESE CARS.. I KNOW I WILL NEVER BUY ANOTHER MITSUBISHI AND I WILL NEVER RECOMMEND THEM TO A FRIEND.. WHAT CAN BE DONE ABOUT THIS PROBLEM?

NHTSA complaint #10290728 — an unverified report by a vehicle owner.

2002 Mitsubishi Diamante Jacksonville, FL

ELECTRICAL SYSTEM

THERE SHOULD BE A RECALL, OWN A 2002 MITSUBISHI DIAMANTE. I JUST FOUND OUT THAT THE ANTI-FREEZE SMELL AND THE SMOKE COMING THROUGH THE VENTS IS BECAUSE THE HEATER CORE HAS GONE BAD. THE QUOTE I RECEIVED WAS FOR $1100. MY ANTENNA JUST STOPPED WORKING ON ME ALSO. IT DOESN'T GO DOWN ANYMORE, BUT THE MOTOR STILL SOUNDS LIKE ITS WORKING. WE ARE ALL HAVING TOO MANY OF THE SAME PROBLEMS. THE COMPANY SHOULD BE LIABLE.

NHTSA complaint #10261387 — an unverified report by a vehicle owner.

2002 Mitsubishi Diamante at 20 miles Wanaque, NJ

ELECTRICAL SYSTEM

I OWN A 2002 MITSUBISHI DIAMANTE CAR, I BOUGHT THIS CAR IN 02 SINCE THE 1ST DAY I BOUGHT THE CAR THERE WAS PROBLEMS. THE COMPUTER IN THE CAR WENT CRAZY MY CHECK ENGINE LIGHT,,CRUISE CONTROL,ANTI LOCK BRAKE, TCL LIGHT ALL STARTED FLASHING . I TOOK THE CAR BACK TO THE DEALER & THEY REPLACED THE COMPUTER BUT IT DIDN'T WORK THEY PUT 3 COMPUTERS IN SINCE THEN, THESE LIGHTS ARE STILL ON TILL THIS DAY. IN 06 MY TRANS BLEW I TOOK THE CAR BACK TO THE DEALER THEY REPLACED MY TRANS THE CAR STILL DOESN'T RIDE RIGHT. MY A/C TURNS ON BUT NOTHING COMES OUT SOMETIMES. IN THE WINTER THE INSIDE OF MY CAR BECOMES A FOG ALL OVER MY WINDOWS AND IT WONT STOP FOGGING UP. A SMELL IS COMING OUT OF MY VENTS LIKE A COFFEE SMELL & IM INHALING THIS SMELL WHENEVER IM IN THE CAR I HAVE TO GO TO A DOCTOR TO GET CHECKED OUT TO SEE IF I HAVE HEALTH ISSUES .MY SUN ROOF LEAKS WHEN IT RAINS,I TOOK MY CAR BACK TO THE DEALER TO HAVE ALL THESE ISSUES FIXED BUT THEY NEVER DID I PURCHASED THE CAR IN 02 THE WARRANTY LASTED 02-05 B/C THAT IS WHEN MY WARRANTY EXPIRED. WHEN I CALL THEY TELL ME I HAVE TO PAY OUT OF POCKET B/C THE WARRANTY EXPIRED. THIS ISN'T FAIR TO ANY MITSUBISHI OWNER I SHOULDN'T HAVE TO PAY TO HAVE MY CAR FIXED NOW AFTER THE WARRANTY WHEN ALL THE SAME PROBLEMS HAVE BEEN RECURRING SINCE I PURCHASED THE CAR AND THEY NEVER FIXED IT TO BEGIN WITH. I CAN UNDERSTAND IF I WAS THE ONLY PERSON WITH THESE PROBLEMS I DECIDED TO SEARCH THE INTERNET TO SEE IF ANYONE ELSE OWNED MY MAKE AND MODEL OF MY CAR TO SEE IF THEY HAD SIMILAR PROBLEMS SURE ENOUGH I CAME ACROSS A WEBSITE CALLED WWW.CARSURVEY.ORG/VIEWCOMMENTS_REVIEW_76426.HTML THERE'S OVER 50 PEOPLE WITH THE SAME PROBLEMS I HAVE WITH MY CAR.MITSUBISHI SHOULD FIX THESE PROBLEMS AND STAND BY THERE CARS. I CALLED CORPORATE HEADQUARTERS TODAY & WAS TOLD THERE'S NOTHING THEY CAN DO B/C ITS OUT OF WARRANTY.

NHTSA complaint #10236534 — an unverified report by a vehicle owner.

1998 Mitsubishi Diamante at 900,000 miles Wilson, NC

ELECTRICAL SYSTEM:SOFTWARE

WILL NOT PASS EMISSION THERE ARE NO READINESS CODES STORED IN COMPUTER.

NHTSA complaint #10225765 — an unverified report by a vehicle owner.

2002 Mitsubishi Diamante Brooklyn, NY

ELECTRICAL SYSTEM

I HAVE A 2002 MITSUBISHI DIAMANTE. I HAVE KEPT REGULAR MAINTENANCE. I AM SUBMITTING THIS FORM BECAUSE OF A HEATER CORE ISSUE I AM HAVING. HOWEVER I HAVE HAD THE FOLLOWING PROBLEMS WITH THIS CAR. ALL THESE PROBLEMS SEEM TO BE RECURRING PROBLEMS THAT HAPPEN TO MANY PEOPLE WITH THIS MODEL. AT LEAST THAT IS WHAT I FIND WHEN I SEARCH THE ISSUES ON THE INTERNET 1- VIBRATION IN STEERING WHEEL --THIS HAPPENED MULTIPLE TIMES AFTER TAKING CAR BACK TO DEALER-IT APPEARS THERE IS A KNOWN ISSUE WITH THE ROTORS IN THIS CAR. AFTER HAVING THE ROTORS CUT TWICE BY THE DEALER WITH NO LONG LASTING SUCCESS. I HAD TO HAVE THE BRAKES AND ROTORS REPLACED BY A MECHANIC ( CAR HAD LESS THE 10,000 MILES WHEN ISSUE STARTED HAPPENING) 2- RUSTED MUFFLER--NOT SURE IF THIS ISSUE HAPPENS OFTEN BUT AFTER 23,000 MILES I HAD TO HAVE MY MUFFLER REPLACED BECAUSE THERE WAS A HOLE RUSTED THROUGH THE TOP OF IT-I WAS TOLD THIS COULD HAPPEN FOR NOT USING THE CAR VERY MUCH IN THE WINTER TIME( ROAD SALT CAN CAUSE THE RUST) 3- HEATER CORE- I KNOW HAVE A HEATER CORE PROBLEM IN THIS CAR. I HAVE ANTIFREEZE LEAKING IN PASSENGER COMPARTMENT. I HAVE AN ANTIFREEZE SMELL IN THE CABIN OF THE CAR. MY WINDOWS FOG AND THE DEFROSTER WILL NOT CLEAR THE WINDSHIELD ( MAKES IT WORSE). I AM LOW IN ANTIFREEZE BECAUSE OF THIS. MY SERVICE ENGINE LIGHT HAS NOW COME ON AND I AM TOLD THIS CAN BE CAUSED BY LEAKING ANTIFREEZE ONTO THE COMPUTER WHICH IS POSITIONED UNDER THE HEATER CORE. THIS ISSUE IS WIDELY REPORTED ON THE INTERNET IN MANY FORUMS AND SEEMS EVERYBODY WITH A DIAMANTE WILL EVENTUALLY HAVE THIS PROBLEM. I AM BEING TOLD THIS REPAIR CAN COST OVER 1,000 DOLLARS 4-I HAVE HAD TO REPLACE 3 SENSORS IN THE ENGINE 2 EGR AND 1 IDLE SENDER (COST AROUND 1,500 DOLLARS). THIS MAY OR MAY NOT BE BECAUSE OF THE HEATER CORE ISSUES CAUSING THE CARS COMPUTER TO FAIL.

NHTSA complaint #10209795 — an unverified report by a vehicle owner.

2002 Mitsubishi Diamante at 50,000 miles Scottsdale, AZ

ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH

BAD HEATER CORE, LEAKING O-RINGS.

NHTSA complaint #10206485 — an unverified report by a vehicle owner.

2003 Mitsubishi Diamante NEW Smyrna Beach, FL

ELECTRICAL SYSTEM

VARIOUS INTERMITTENT FAILURES TO INCLUDE, CAR LOCKING ON ITS OWN, HEADLIGHTS NOT GOING OUT WHEN CAR IS TURNED OFF, CAR NOT DINGING WHEN KEYS LEFT IN IGNITION, AND WINDOW FUSE BEING BLOWN WHEN WINDOWS ARE NOT BEING RAISED OR LOWERED. HAVE TAKEN CAR TO DEALER AND AN ELECTRICAL SPECIALIST. BOTH HAVE SAID THEY CAN'T FIX IT SINCE THE PROBLEM IS INTERMITTENT.

NHTSA complaint #10182516 — an unverified report by a vehicle owner.

2003 Mitsubishi Diamante at 40,000 miles NEW Smyrna Beach, FL

ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE

CAR DOORS ARE LOCKING BY THEMSELVES, THE ALARM FOR KEYS BEING LEFT IN THE IGNITION NO LONGER SOUNDS, THE AUTOMATIC UNLOCK WHEN KEYS LEFT IN THE IGNITION NO LONGER WORKS, AND THE HEADLIGHTS DO NOT TURN OFF WHEN THE CAR IS TURNED OFF AND DOOR OPENED. HAVE BEEN STRANDED SEVERAL TIMES DUE TO KEYS LOCKED IN THE CAR, AND A DEAD BATTERY DUE TO HEADLIGHTS BEING LEFT ON.

NHTSA complaint #10117995 — an unverified report by a vehicle owner.

2002 Mitsubishi Diamante at 21,076 miles Charlotte, NC

ELECTRICAL SYSTEM

WHILE DRIVING AT ANY SPEED ELECTRICAL SYSTEM FAILED. AS A RESULT, THE VEHICLE STALLED IN ONCOMING TRAFFIC. *AK IT WAS LATER DETERMINED BY THE DEALER'S TECHNICIAN THAT THE ETACS SYSTEMS FAILED.

NHTSA complaint #10072280 — an unverified report by a vehicle owner.

2002 Mitsubishi Diamante at 1 miles Irving, TX

ELECTRICAL SYSTEM

HEADLIGHTS TURN OFF FOR A SPLIT SECOND WHILE DRIVING DOWN THE HIGHWAY. IT DOES THIS WHEN THE AC SYSTEM KICKS IN. LIGHTS ON THE INSIDE OF THE VEHICLE DIM AS WELL. THIS HAPPENS AT BOTH IDLE AND HIGH RPM. A VOLT METER SHOWS A LARGE VOLTAGE SPIKE FOR A SHORT PERIOD OF TIME. THE VOLTAGE REGULATOR IS NOT RESPONDING FAST ENOUGH TO PICK UP THE VOLTAGE. HAVE WORKED FOR OVER A YEAR WITH MITSUBISHI TO ATTEMPT TO GET THIS RESOLVED. THEIR MECHANICS AT 2 DEALERSHIPS SAY THAT THE PROBLEM ISN'T NORMAL UNTIL THEY DON'T FIGURE OUT THE PROBLEM. THEN THEY COME BACK AND SAY IT'S NORMAL. I HAVE YET TO SEE A CAR DO THIS - ESPECIALLY WITH THE LIGHTS TURNING OFF WHILE DRIVING DOWN THE HIGHWAY. IF THE PROBLEM WAS "NORMAL" THEY WOULDN'T HAVE TAKEN MY CAR INTO THE SHOP TO INVESTIGATE THE PROBLEM IN THE FIRST PLACE -- WHY SPEND HOURS TRYING TO FIND A BAD WIRE IF THE PROBLEM IS "NORMAL". I FEEL THIS IS A POSSIBLE SAFETY ISSUE, AND THE MITSUBISHI DISTRICT MANAGER REFUSES TO AUTHORIZE THE SERVICE DEPT TO REPLACE MY ALT. OR BATTERY TO SEE IF IT WILL RESOLVE THE PROBLEM. THIS HAS HAPPENED SINCE THE FIRST MONTH I HAD MY CAR, AND CONTINUES TO HAPPEN NOW THAT THERE IS 20000 MILES ON THE VEHICLE. NUMBER OF FAILURES IS HARD TO ESTIMATE SINCE IT IS A CONSTANT ISSUE EVERY TIME THE AC KICKS IN AT NIGHT. WILL PUT 180 ASSUMING 15 TIMES DRIVING AT NIGHT PER MONTH.

NHTSA complaint #10064425 — an unverified report by a vehicle owner.

1992 Mitsubishi Diamante Pompano Beach, FL

ELECTRICAL SYSTEM:HORN

HORN BUTTON HAS FALLEN OFF 4 TIMES, HAS BEEN REPLACED BY DEALER.

NHTSA complaint #895440 — an unverified report by a vehicle owner.

2000 Mitsubishi Diamante Naperville, IL

ELECTRICAL SYSTEM:IGNITION

THE FIRST INCIDENT OCCURRED ON 2/20/2001. ESTIMATED SPEED WAS 35 MPH. THE IGNITION FUSE BLEW AND THE ENTIRE CAR WENT DEAD. I WAS NOT USING ANY OTHER ELECTRICAL COMPONENT IN THE CAR AT THE TIME (I.E. RADIO, LIGHTS, ETC). TOWED TO DEALER WHO DETERMINED THE PROBLEM. THEY KEPT IT FOR SEVERAL DAYS AND THE PROBLEM DID NOT REOCCUR. A FEW DAYS AFTER I GOT THE CAR BACK, THE VERY SAME THING HAPPENED. THIS WAS ON 2/28. AGAIN TOWED TO THE DEALER. AGAIN REPLACED THE FUSE. AGAIN KEPT IT FOR A WEEK AND DROVE IT CONTINUALLY WITH NO PROBLEM. I GOT THE CAR BACK ON FRIDAY, 3/9. ON SAT. 3/10, AFTER HAVING DRIVEN 65 MILES AT ABOUT 75 MPH, I WAS DRIVING IN TOWN AT ABOUT 45 MPH. THE FUSE AGAIN BLEW. I HAD A REPLACEMENT FUSE, WHICH I HAD REQUESTED FROM THE DEALER, AND REPLACED IT MYSELF. I AM TAKING IT BACK TO THE DEALER TODAY, 3/12.

NHTSA complaint #742288 — an unverified report by a vehicle owner.

1992 Mitsubishi Diamante Marina, CA

ELECTRICAL SYSTEM:IGNITION:SWITCH

WHENEVER CONSUMER TURNED OFF THE CAR AND TRIED TO START AGAIN IT WON'T START. TOOK VEHICLE TO DEALER, AND THEY SAID THE NEUTRAL SAFETY SWITCH WAS BAD.

NHTSA complaint #871022 — an unverified report by a vehicle owner.

1997 Mitsubishi Diamante Laurel, MD

ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

LOUD WINDING NOISE FROM ALTERNATOR PULLEY, TOOK CAR TO A MITSUBISHI DEALER SERVICE CENTER FOR REPAIR. I WAS INFORMED BY THE SERVICE CENTER THAT THE PULLEY IS NO LONGER AVAILABLE OR REQUIRED. A NEW DESIGN AND BELT WAS IMPLEMENTED ON THE NEW MODELS TO FIX THE PROBLEM. A NEW BELT IS REQUIRED TO FIX THE PROBLEM ON THE OLD MODELS. THE NEW BELT WILL NOT GO AROUND THE PULLEY AND THE PULLEY WILL NOT BE USED. THIS APPEARS TO BE A DESIGN DEFECT. IS THE CONSUMER RESPONSIBLE FOR THE COST OF THE NEW BELT AND LABOR TO PUT IT ON. THIS NEW BELT WAS NOT PART OF THE 1997 MODELS. I THINK THE MANUFACTURER SHOULD PAY FOR THIS REPAIR! IT IS A DEFECT. THE PULLEY IS NOT AVAILABLE BECAUSE IT IS THE PROBLEM PART.

NHTSA complaint #725852 — an unverified report by a vehicle owner.

2000 Mitsubishi Diamante Port Arthur, TX

ELECTRICAL SYSTEM:HORN

CANNOT HEAR HORN INSIDE THE CAR HOW CAN YOU EXPECT ANYONE ELSE TO, IT ONLY HAS ONE HORN PREVOUIS YEARS HAD TWO.

NHTSA complaint #725739 — an unverified report by a vehicle owner.

1998 Mitsubishi Diamante APO, AE

ELECTRICAL SYSTEM:IGNITION:MODULE

VEHICLE WOULD STOP WITHOUT PRIOR WARNING. ( ECU) ELECTRONIC COMPUTER UNIT MALFUNCTIONED. VEHICLE IS AT THE DEALERSHIP.

NHTSA complaint #865523 — an unverified report by a vehicle owner.

1992 Mitsubishi Diamante Flushing, NY

ELECTRICAL SYSTEM:12V/24V/48V BATTERY

BATTERY FAILURE ON FOUR OCCASIONS. MJS

NHTSA complaint #546570 — an unverified report by a vehicle owner.

1992 Mitsubishi Diamante Flushing, NY

ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

ALTERNATOR FAILED CAUSING STALLING. MJS

NHTSA complaint #546570 — an unverified report by a vehicle owner.

Other Mitsubishi Diamante problems