The Auto Stop-Start Test Plug Hack – Autostop Eliminator

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The Test Plug Hack

While a trailer is attached auto start-stop will not enable. With this hack a trailer light test plug is inserted into the trailer plug, fooling the truck into thinking a trailer is attached.

On the surface, this appears to be a clever solution, but as it turns out, it’s one of the worst solutions. Modern trucks have many advanced towing features that work well while towing. Transmission shift pressures will increase. Fuel-based remaining distance estimates are adjusted for the reduced fuel mileage. Blind spot systems will expand their range to account for the length of the trailer. Rear ultrasonic object detection and cross traffic alert disables so as not to falsely alarm due to the presence of the trailer. Rear-view camera overlays used to visualize the vehicle path are disabled. Advanced trailer anti-sway controls are enabled, which may brake wheels independently to reduce trailer sway.

The list goes on and on for built-in towing optimizations, and each and every one can be a problem if there’s not actually a trailer connected. Please don’t even consider this as a means to disable auto start-stop.

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