Introducing the Communication Module ( ComMod )for the Smarty Touch!
What it is.
It is an additional Bus expansion port for the Smarty Touch.
What does it do?
When installed to Smarty Touch?s under - dash controller, i t allows t he communicat ion with the ECM over two distinct CAN Bus channels at the same time . The usual OBD II plug / bus and a secondary under hood service bus used by Cummins for the communication with external modules such as the VGT turbo, Oxygen sensors , etc .
Why is it needed ?
1) The Smarty Touch uses the under hood service bus for real time On The Fly (OTF) tuning for all years from 1998.5 to present *.
2) The Smarty Touch uses the under hood service bus to unlock the 2013+ ECM?s.
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