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There really is not any way to know if you have the latest CIC software (C1A) until you read it with a coding rig. I have bought 3 used CIC from 2012s. 2 of the 3 were on the latest software. A safer bet may be to get one from a diesel. Those got flashed at the dealer more often.
As for the MULF/TCU post a pic of what is under the floor of your trunk. You may have a mulf with BT only and no USB wiring. Or BT may be built into your head unit.
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