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trouble connecting to my ECM

Discussion in 'Performance and Tuning' started by roman dog, Sep 19, 2011.

  1. roman dog

    roman dog [OP] New Member

    Joined:
    Sep 19, 2011
    Member:
    #63762
    Messages:
    1
    Gender:
    Male
    First Name:
    Evan
    Germany
    Vehicle:
    '99 Tacoma 4x4
    intake, exhaust, bilsteins all around, cheap lights
    Hey all, I'm looking for some help with this problem. I'm trying to tune the fuel map of my 1999 3.4 L Tacoma. My scan tool will interface with the OBD II with no problem, but if I try to connect with the ECM, I get an error message telling me to check the connection and make sure that the ECM has power. I purchased the URD MAF calibrator and I can't upload or receive any map data. Has anybody installed one of these before or know something about this problem?
     
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