I don't know what it means but here is literal meaning of that code.
P0076 Intake Valve Ctrl Solenoid Circ Low Bank1
Maybe somebody can help with this interpretation!
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2007.5; 6.7 Cummins, 33in mickey thompson muds! Edge Juice w/attitude, S&B intake, MP-8, H&S Turbo-back DPF Delete, BD steering box stabilizer, God Bless the USA and his Dodge