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  1. J

    Allison 5sp: New Gal needs some advice!!

    I live in Lafayette Louisiana. Anyone know a good mechanic around here? Also anyone have some advise how to get a million miles out of one of these trucks? It had the heads replaced at 170k due to a leaking head gasket and the injectors were just replaced. I'm just woundering if there are any...
  2. J

    Allison 5sp: New Gal needs some advice!!

    How do I clear the codes?
  3. J

    Allison 5sp: New Gal needs some advice!!

    Intake Air (IA) Heater Feedback Circuit = P0540 Transmission Control Module (TCM) Requested MIL Illumination = p0700 Shift Solenoid 3 (SS3) Control Circuit High = p0980 Can anybody tell me what needs to be replaced?
  4. J

    Allison 5sp: New Gal needs some advice!!

    They were red with a scanner from autozone. I did google them but I had trouble finding out what to replace.
  5. J

    Allison 5sp: New Gal needs some advice!!

    A scanner gave me the codes. What tool are you talking about?
  6. J

    Allison 5sp: New Gal needs some advice!!

    Hey guys and gals! I just bought my first Duramax to pull my horses. Its a 2002 4x4 automatic with 217,000 miles on it. I paid 6500 fro it so I think I got a good deal. Its nice and clean and came with a toll box/fuel cell. The only problems I have with it is these codes. P0980, P0700 and P0540...