How were you turning it off. Was the thermostat switch set to off? It should not be doing that unless the thermostat is calling for cooling or fan.
Did it ever work when you bought it?
Needs to be checked out by your dealer.
2011 351RLTS Eagle, Mor/Ryde suspension & pin box
06 F350 Lariat PSD, SRW, LB, CC, EGR delete kit, 16K DrawTite hitch, Timbrens, TST TPMS
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