NHTSA — Power Train: Automatic Transmission: Control Module (Tcm, Pcm) Problems

4.3

definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
26,350 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2002 Mitsubishi Diamante transmission problems

transmission problem

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2002 Mitsubishi Diamante Owner Comments

problem #2

Mar 282006

Diamante 6-cyl

  • Automatic transmission
  • miles

A D V E R T I S E M E N T S

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. And my transmission rebuild, none of which were warranted by the manufacture and were not cheap.

- Mineral Wells, TX, USA

problem #1

Jan 202005

Diamante 6-cyl

  • Automatic transmission
  • 52,700 miles
January 12, 2005 one cold morning I noticed that the reverse gear did not go in as fast as it should it took like 1 minute to go into gear, when cold it would jolt before advancing in drive. Took it to the dealer, they did not find anything, so I picked up that same afternoon, next morning same problem. I took the car back on Jan 19, left it over night and they found it took a couple of minutes to go into gear, therefore, they decided to look at the transmission, the car has been at the dealer since 1/20 thru 2/7, after several discussions they have told me it is the heating core dripping on top of the computer damaging the sensors, today 2/8 the car would not go into gear at all. I have had grease with the seat belts, they had to be changed at 3600 miles, the tires (Eagle) had to be replaced at 18,000mies, the brakes starting acting up at 6000 miles, the steering started vibrating at 12,000 miles. Bottom line this car is a mess, sucks and Mitsubishi does not want to be responsible for any of those problems, this is a big lemon!

- North Miami Beach, FL, USA

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