6T40 / 6T45 Off-Board Programming Harness (Gen2)
Item Number: PH6T40-2
Complete harness kit for programming and tuning 6T40 / 6T45 TEHCM's off the car. Easily download the programming off of the old TCM and upload it to the replacement TCM.
Save time and money by programming and/or tuning off board! No credits or TDS subscription fees required.
Easy to follow instructions included!
Programmer not included and this product will not work doing OEM programming or reprogramming on the GM website.
This is the 2nd generation harness with a Delphi 5-way connector, which is easier to grip when changing pigtails and far less likely to have the wires pull out.
Easy Programming Instructions