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Thread: Funky Vin = cant log

  1. #1
    Senior Member
    Join Date
    Mar 2006
    Posts
    103

    Default Funky Vin = cant log

    I keep getting a funky vin# when connecting to my LB7 and only a select few PIDs show up ...LLY is normal and can log everything

    I can flash it with the road runner and the truck starts and turns over fine,but i need to be able to log, Atleast rail pressure.


    Last time this happened I needed a new ECM is that the case here?: help2:
    2017 Trailblazer 2.5L Dmax
    07 LBZ rc lb EFI - Sold
    05 lly cc lb, EFI 80hp tune-Sold
    01 lb7 rc lb EFI & Road Runner,1000+hp -Sold
    Duramax power

  2. #2
    EFILive Developer Site Admin Blacky's Avatar
    Join Date
    Mar 2003
    Posts
    9,505

    Default

    Try setting the correct VIN in the Tuning Tool, save the *.tun file, then full flash it using the RoadRunner full flash option. That should restore the VIN in the RR ECM.

    Regards
    Paul
    Before asking for help, please read this.

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