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TCM failure
The early nineties Mitsubishi made TCMs are quality computers with the exception of the failing Rubicon electrolytic capacitors that were used to equip these electronic control units.
Engine computer or transmission computer, these will break down after five years or so, some last a few years longer but they are basicaly on bowored time. TCM or TCU failure usually appears as "fail safe mode"- the car drives in second or third gear only.
Important:
On the '91 - '92 model 3000GT, Stealth and Diamante',
the Transmission Computers are notorious for blowing the main processing chips when they fail. Its very imoprtant to inspect your TCM before sending it in for rebuild service. Call us for info when you open it up, and we'll walk you through it, in an attempt to make sure you do not ship us an unrepairable unit.
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Rebuilt Mitsubishi transmission computers for 3000GT SOHC NT
Mitsubishi part #s MD739228, MD751888, MD755012 and MD758085
Some of these particular Transmission control units, Mitsubishi part #s MD739228, MD758085 and the MD751888 are a severe pain for any SOHC NT 3000GT owner.
The failure is very common and unfortunately, often the unit is destroyed durring failure and is not rebuildable. This makes them rare and expensive.
Before sending in an MD739228, MD751888 or MD758085 for rebuild and return service, please check the main processing chips on the circuit board for sings of the examples below. If you have either of these on your TCM, it will not be repairable. There is one large chip and two smaller ones on these.
This is the classic bubbled chip, it is possible to replace the chip, but it is not available anywhere, except for on another TCM of the same part #.
This is a sneaky one, the brown center burnt chip,
this is easy to miss, sometimes it is very faint, not as obvious as this one, but it is still a board killer.
We also rebuild ECS modules (elecrtonically controled suspension)
We have a huge inventory of remanufactured ECMs and rebuilt ECUs available, and ready to ship today. We also have a alot of the more popular TCUs and TCMs for Mitsubishi,Honda and Hyundai.
Call us with your part #s for a price quote 800 241 6689
Our staff of technicians specialize in the repair and rebuilding of automotive computers, specifically engine computers and transmission computers, known as ECMs, ECUs and TCMs or TCUs.
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