![]() Five-star ratings and bonuses are greatly appreciated. Another thing to look for is to be sure that your speed sensors on your engine as well as at the transmission vehicle speed sensors are working properly as well. ![]() ![]() Please remember to take a moment to rate my answers as that is how the site credits my time helping on the site. If the clutch are brake switches are not engaging or if the wiring to them is faulty then your cruise and your Jake will not work. Reply back with the results as we can follow up as needed on here. RE: No cruise and engine brake on 2012 Cascadia CM2250 - Sergiu - 07-16-2017 (07-16-2017 ) Rawze Wrote: If someone flashes the ECM 2 times in a row with cummins insite, the engine will loose its cruise control and engine brake every time, factory programming or otherwise. Depending on your transmission model whether it is an auto shift or full manual shift if you have a TCM on your transmission this could also create a software related issue requiring updates or reprogramming as long as all the wiring checks out and the switches. These can also contribute in an inoperative Jake brake or Cruise. If the clutch are brake switches are not engaging or if the wiring to them is faulty then your cruise and your Jake will not work. As I'm sure you are aware the most common problem that would cause this would be the Clutch and Brake switches.
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