Mitsubishi Diamante owners have reported 36 power train related problems since 1996. Table 1 shows the 12 most common power train problems. The number one most common problem is related to the vehicle's automatic transmission (10 problems). The second most common problem is related to the vehicle's automatic transmission control module (7 problems). For details of each of the problem category, use the links in the table.
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. . Read details...
Heater core defective and leaked coolant underdash on to transmission ecm and neutral safety switch. Because of this very common manufacture defect I had to have my heater core, transmission ecm, neutral safety switch replace. Read details...
My wife was driving on the interstate when the transmission failed and would no longer propel the vehicle. I have researched the problem and multiple people have had the same problem. I don't understand why no recall has been made. Read details...
I have had the transmission replaced including the torque converter $5000. I am going on my second power antenna $300. The most recent called for a heater core replacement $1050. Read details...
I was driving my Mitsubishi across the university bridge on 7-28-2017 and suddenly the transmission went out and I was stuck and had no power of movement,my wife and 3 y. O. Child were passengers in the car,luckily the state patrol came and assisted us. Read details...