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Old 10-31-2017, 02:49 PM   #83 (permalink)
JJeep74
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Join Date: Jan 2001
Member # 2775
Location: Loomis, CA
Posts: 997
Made some progress today regarding the requests of the Referee and figured I would share here for future builds. One of his requests was a copy of the Calibration Verification Number for the ECM. Through searching I managed to find a link to the following website which will provide current CVNs based on Vin#

https://tis2web.service.gm.com/tis2web

Only issue now is I need to get a copy of my stock tune which I dont have, so my only option may be to go to the dealer to have them reflash my computer.

Whats the chance that there are any GM dealer techs on here that are willing to help?
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63 Scout 80. 5.3, 4L65E, Atlas II 4.3 on Tons
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