Originally Posted by
LRT
The flash program created by dimented24x7 was for the 12200411 PCM (2001 & 2002), and specifically for OS 12202088 (2001). It should be OK for use with OS 12208322, 12209203, 12212156, and with OS 12225074 (if this OS was from a 2001 or 2002 model year vehicle).
If you try to flash any other OS, then there is a good chance of bricking the PCM. The best course of action is to read the 0411 PCM with this flash tool, and then to only reflash the PCM with the base calibration previously read out. You can alter this base calibration as necessary, including swapping various segments.
Also, if you try to flash a 9354896 PCM (1999 & 2000), which is often used as an 0411 replacement, there is a good chance of bricking the 4896 PCM.
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