Tranny rebuilt now this
Two weeks ago I had my tranny rebuilt by a well known guy, 3 clutch converter all new billet parts ect. He also installed pillar gauges on my truck, everything seemed fine..couple days ago I opened my hood to check things out & noticed one of my batteries lost the cap on top of the battery thinking it was bad I took it back to the place & had it exchange under warranty battery was very hot so we checked out the alternator putting out 18.5 volts "over charging" so I replaced the alternator checked it again now over 19 volts. PCM bad ??? could this have happened when tranny was rebuilt or when the gauges installed :scare2:
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Nope, most likely not. Sounds like a bad PCM. There's a very small possibility a wire could be shorted on a trans harness and fry the pcm but their would be no way to prove that without a damaged connector, trans not functioning correctly. Sound like you've just had some bad luck!
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Did I miss something, I am new to dodges, or anything run by a computer for that mater. So... since when does the PCM/ecm or any cm have anything to do with alternator output voltage? I know GM Alts have built in Voltage regulators, and that older cummins powered dodges have an external VR, but as far as I know they are independant of the computers. Tell me if Im wrong.:humm:
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Originally Posted by seaurchin1969
(Post 713508)
Did I miss something, I am new to dodges, or anything run by a computer for that mater. So... since when does the PCM/ecm or any cm have anything to do with alternator output voltage? I know GM Alts have built in Voltage regulators, and that older cummins powered dodges have an external VR, but as far as I know they are independant of the computers. Tell me if Im wrong.:humm:
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OK ill bite....whats a TCM?
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Transmission control module, in dodges also known as the powertrain control module
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Transmission cm ok i figured it out.
---AutoMerged DoublePost--- Your making that 12v engine in my shop look better and better. |
As I said before anything 94 and newer is externally through the PCM.
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or a P-Pumped 24 valve conversion.
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Failures I guess you could say are not all that common. I guess they seem more common to me for the simple fact we work on these trucks day in and day out and run across it more often lol
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