Need XDF for P12 ECU - OSID 12627884 (Atlas Engine / Hummer H3)

[tutus]

Hi everyone,I recently managed to get a successful read from my PCM using PCM Hammer, but I am having trouble finding a matching XDF file for TunerPro to modify it.Here are the technical details retrieved from the read log:ECU Type: ACDelco P12 1Mb (Atlas I4/I5/I6)OSID (Operating System ID): 12627884Calibration ID: 12600818Broad Cast Code: YLXZThe PCM Hammer connection was excellent and verified successfully. I have attached my raw hummer.bin file to this post.Below is the full read log for reference:text[19:29:04.106] PCM Hammer
[19:29:04.109] Copyright (C) 2018-2026 PcmHacking.net - GPL v3
[19:29:04.111] Version: 2.0.0
[19:29:04.113] Running at: Saturday, August 01 2026, 19:29:04
[19:29:05.449] Voltage: 11.1V
[19:29:05.466] Elm ID: ELM327 v2.3
[19:29:05.495] ScanTool device ID: STN1170 v4.3.2
[19:29:11.325] VIN: 5GTDN136468107466
[19:29:11.389] OSID: 12627884
[19:29:11.406] Description: P12 1Mb (Atlas I4/I5/I6)
[19:29:11.466] Calibration ID: 12600818
[19:29:12.548] Serial Number query failed: Timeout
[19:29:18.029] Broad Cast Code: YLXZ
[19:29:23.469] MEC: 0
[19:29:23.534] Voltage: 11,3
[19:31:01.984] Will save to C:\Users\asetb\OneDrive\Documents\hummer.bin
[19:31:02.000] Querying operating system of current PCM.
[19:31:02.060] OSID: 12627884
[19:31:02.065] Description: P12 1Mb (Atlas I4/I5/I6)
[19:31:07.651] Unlock succeeded.
[19:31:07.731] This interface does not support VPW 4x
[19:31:07.794] Loaded Kernel-P12.bin (2023 bytes)
[19:31:07.797] Kernel MD5=34AFCF6ED98B900D71887BCBC7DF44D5
[19:31:07.861] Requesting upload permission.
[19:31:07.904] Upload permission granted.
[19:31:09.058] Kernel upload 49% complete.
[19:31:10.143] Kernel upload 100% complete.
[19:31:10.177] Kernel Version: 2026-06-13 14:11:01 PCM=0x0C
[19:31:10.180] Kernel uploaded to PCM successfully. Requesting data...
[19:31:10.287] Flash chip: AMD AM29BL802C, 1024KiB
[19:46:18.986] Read complete.
[19:46:18.991] All read-request messages succeeded on the first try. You have an excellent connection to the PCM.
[19:46:18.998] Starting verification...
[19:46:19.020] Calculating CRCs from file.
[19:46:19.087] Requesting CRCs from PCM.
[19:46:19.094] Range File CRC PCM CRC Verdict Purpose
[19:46:22.165] 0C0000-0FFFFF 87B9870B 87B9870B Same OperatingSystem
[19:46:25.246] 080000-0BFFFF 8142B5A4 8142B5A4 Same OperatingSystem
[19:46:26.837] 060000-07FFFF 4A25C4EE 4A25C4EE Same OperatingSystem
[19:46:28.445] 040000-05FFFF 818AF332 818AF332 Same OperatingSystem
[19:46:30.037] 020000-03FFFF 20BB66A6 20BB66A6 Same Calibration
[19:46:31.293] 008000-01FFFF F8605FA9 F8605FA9 Same Calibration
[19:46:31.525] 006000-007FFF BBACBB48 BBACBB48 Same Parameter
[19:46:31.775] 004000-005FFF 85B5BB36 85B5BB36 Same Parameter
[19:46:32.100] 000000-003FFF 7EBCD52C 7EBCD52C Same Boot
[19:46:32.164] The contents of the file match the contents of the PCM.
[19:46:32.216] Clearing trouble codes.
[19:46:33.379] Elapsed time 00:15:25.7237767
[19:46:33.396] Saving contents to C:\Users\asetb\OneDrive\Documents\hummer.bin
Could anyone help me find an XDF for this specific OSID? Alternatively, if anyone can help create or define the basic definition maps (such as VATS, fueling, and spark), it would be highly appreciated.Thank you so much in advance for your time and help!