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  1. #1
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    Oct 2010
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    Default LMM OS 12628594 (NQG) Option

    Hi All, looking for some better details about this Engine Operation version 12628777. It's from a floor shift transfer case truck, and changes the operation of pins X-1 57 & 82 [AWDSIG & AWDLOW].

    Been playing with both versions, and the difference is how the ECM selects Torque Reference Tables under A, B, and C, that I've noted so far. Might it be an option to add these selection under "System"?

    If you swap ECM from a floor shift truck into a dial shift transfer case, it's not going to respond correctly to canbus commands. And visa versa.

    Click image for larger version. 

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    Last edited by kidturbo; March 17th, 2019 at 08:01 PM. Reason: Removed VSS part

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