New 2007 Z06 calibration
My Z has been in the shop a couple of times with a P0171 DTC (Fuel Trim System Lean bank 1). My (clever) tech figured out this was due to bent pins on the under hood fuse block connector that supplies bank 1 coil pack power; that bank was actually running very rich. Apparently my car was one of four that the boys back at the plant were trying to figure out (turns out my tech is a hero for solving two or more of them!)
Anyway, I was poking around on http://calid.gm.com/ and noticed this: "New calibration with diagnostic enhancements for DTCs P0171, and P0174." (OS: 12614676) The [dealer] flashed my car with this today (after installing a new bank 1 [cat] and muffler -- the old one was full of pieces of the "compromised" cat). It looks like in addition to whatever diagnostic related changes were made, they also made minor tweaks to B4001 (Injector Flow Base) and B1213 (Injector Flow Modifier IAT).
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