The TEJF4M3 is the code of the last truck you had. The number that showed up when you plugged in the unit *SHOULD* have been the new HEX code, but for some reason something is amiss.
I'll need to walk you through this and have you send me the calibration information read from the PCM. The we can determine exactly what's up. PM me your number and let me know when is a good time to call.
Thanks.
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~ Corey
Resting in Peace -
1969 - 2019
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