Limp Mode - Many codes

[kungpao]

Hey Guys,
Haven't posted in ages. Mostly lurking these days. Can you help me decipher Service Advisor email?

There are many faults in the system some pertaining to your check engine light. the one we are doing under warranty is the egr cooler, and my technician just tole me we are also replacing the glow plug preheat module under extended warranty as well. there are also fautls for mass air flow and pressure, so we need to take apart the intake manifold to check the cylinder head for build up, and check the gaskets and glow plugs. If the cylinder head is clogged we will recommend doing a carbon blast to clean it, i will let you know first. for now we will take about the intake manifold and check everything first for 220.00, then i will cal you tomorrow

Codes are:
P0069
P0101
P0401
P0420
P0671
P2279

Also, apparently, the battery that's in it from the original dealership is the wrong one.