I BELIEVE I HAVE TRANSMISSION CONTROL MODULE TCM...

  • Tiny
  • CrewDog130
  • 2002 Mitsubishi Diamante
  • 80,000 miles

I believe I have transmission control module (TCM) that is going bad due to a heater core leak. It's seems this a very common problem with this model. I'm getting confused by the interchanging of PCM, ECM and TCM whenever I search for any info. Are they the same items?

Tuesday, January 15th, 2013 AT 4:57 PM

1 Answer

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,305 posts

ECM electronic control module

PCM power control module

TCM trans control module.

They are different

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Wednesday, January 16th, 2013 AT 2:09 AM

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