Lookin for a 12653249 OS stock ECM File. EFILIVE
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Lookin for a 12653249 OS stock ECM File. EFILIVE
Need a STOCK 12653249 OS file with a 12653852 calibration. Its from a 2012 GMC Sierra Denali AWD. Also need the TCM file, with 24261871 OS and 24261870 calibratiion. THANKS!