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We are privately owned, with access to a professional Diesel Mechanic, who can provide additional support for Dodge Ram Cummins Diesel vehicles. Many detailed information is FREE and available to read. However, in order to interact directly with our Diesel Mechanic, Michael, by phone, via zoom, or as the web-based option, Subscription Plans are offered that will enable these and other features.  Go to the Subscription Page and Select a desired plan. At any time you wish to cancel the Subscription, click Subscription Page, select the 'Cancel' button, and it will be canceled. For your convenience, all subscriptions are on auto-renewal.

Transmission/Charging Issue (NEED HELP!!)

Posted

I am having an issue with my transmission/Charging system, I only have first gear until the vehicle warms up then it shifts hard to second. then finally shifts to third but doesn't downshift back to first just have 2nd and 3rd. Oh and the truck wont charge past 13.6. Also strange but if you drive it until its dead and jump start it the next day everything works fine for about 5 min.

 

So far I have changed

  • ESS
  • Alternator
  • Battery cables
  • Cleaned and tested all grounds
  • Replaced burnt harness at Transmission (thought this was wierd)
  • Gov. Pressure solenoid 
  • Gov. pressure sensor
  • Transmission filter
  • Transmission fluid

1996 Dodge Ram 2500 12v, Auto, mostly stock, K&n filter

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Short in the PCM wiring? Just a shot in the dark.

  • Author

Thats what the mechanic thought, PCM got shorted have one coming tomorrow

 

Do you have access to a drb III or equivalent tool?

  • 3 weeks later...

Have you verified that the alternator is charging? check that you are getting 12v+ on the alternator and at the blue on the PCM transmission circuit. I had issues with that.

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Welcome To Mopar1973Man.Com LLC

We are privately owned, with access to a professional Diesel Mechanic, who can provide additional support for Dodge Ram Cummins Diesel vehicles. Many detailed information is FREE and available to read. However, in order to interact directly with our Diesel Mechanic, Michael, by phone, via zoom, or as the web-based option, Subscription Plans are offered that will enable these and other features.  Go to the Subscription Page and Select a desired plan. At any time you wish to cancel the Subscription, click Subscription Page, select the 'Cancel' button, and it will be canceled. For your convenience, all subscriptions are on auto-renewal.