424 Error on a Bully Dog GT Tuner for Nissan/Infinity Vehicles.

    November 10th, 2020

    Troubleshooting a 424 error on a Bully Dog GT tuner for Nissan/Infinity vehicles:

    This is a security error, mostly caused by low and/or fluctuating voltage at the ECM. 

    If this happens, disconnect the tuner and hook a battery charger up to the vehicle's battery with 10+ amps and retry the download.  If the problem persists please contact our technical support by clicking on the Contact Support button below.

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