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  1. 3

    High Voltage Hemi

    No problem. Glad you got it all fixed. Ron
  3. 3

    High Voltage Hemi

    Many PCM's now have a temp sensor unit in the PCM but many over the years also had a seperate battery tenp sensor. The colder it is the higher the target voltage. Like at 30 degrees it may be as high as 15 volts and at 100 degrees as low as 13.4. Average at normal 70 degree temps is about...
  4. 3

    High Voltage Hemi

    Glad to hear that. I was going to say that on the Mopar controllers the outside temp also will change the target voltage. With the scanner I would always look at the target voltage as thats what the PCM is looking for and will adjust the field to see that voltage. Also on some newer years (I...
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