Bully Dog 40465B GTX Watchdog With Unlock Cable 2013-2016 Dodge 6.7L Cummins


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Bully Dog 40465B GTX Watchdog With Unlock Cable 2013-2016 Dodge 6.7L Cummins

Bully Dog's lightning-fast GTX Watchdog Monitor gives drivers the ability to monitor the industry’s most extensive SAE and Cummins-specific engine and transmission parameters, in real time. Featuring a 5” capacitive touchscreen, this monitor is the first of its kind. Graphics and gauges are displayed in brilliant HD color, rivaling today’s smart phones. GTX Watchdog starts up incredibly fast Unlike other monitors, the GTX Watchdog provides monitoring capability of the Aisin & 68RE transmission, as well as chassis cab vehicles. The device’s datalogging capability makes it easy to record vehicle performance and play it back with Bully Dog’s free LiveLink software. GTX Watchdog also doubles as a diagnostic tool with the ability to read and clear diagnostic trouble codes (check engine light). With integrated WiFi capability, GTX Watchdog is always up to date. For those looking to maximize performance Bully Dog includes a "Cummins Unlock" Cable, allowing you to use the GTX Watchdog to unlock the computer for tuning.


  • 5" Touchscreen with Brilliant HD Color and Graphics
  • Cummins Unlock Enabled
  • Monitor all Parameters of the Engine



Adjustable Options vary for each vehicle and are not available on all vehicles
  • Axle Ratio

    Correct the vehicle speedometer (and fuel efficiency calculations) if you have changed the gear ratio on your vehicle. If no gear ration modifications have been made to the vehicle, then choose the stock setting when the tuner prompts you to choose a gear ratio. This will ensure that no modifications are made to the stock program.

  • Intake Airbox

    Allows an aftermarket intake to be run on the vehicle without a Check Engine Light. For Intake Kits that require tuning, this will provide a selection of available intake kits.

  • Speed Limiter

    Change the top speed that the vehicle will reach before the engine automatically limits the power needed to go faster.

  • Tire Size

    Correct the speedometer if you have changed your tire size from stock.

  • TPMS

    Change or disable the Tire Pressure Monitoring System.



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