Soot accumulation in the turbo. Even with EGR/Turbo cleanings I would still have my EB cut out at 1600 RPM (during regens I believed).
Did not go away until I took off the DPF and EGR
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2007.5 Dodge Ram 2500. 6.7l, G56. 4x4 Quad Cab/Long bed. SLT
Mods: Bullydog PMT, AFE Mega Cannon, EGR Delete, BADP DPF delete, ANSA Silverline T304 5" TB Exhaust.