My truck used to belong to ryder and when I got it, it maxed out at 74mph. But it was also password protected. Cummins flashed it.
Speed governor password protected!!!!
Discussion in 'Freightliner Forum' started by carrolltrans, Jul 9, 2014.
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Cummins will take care of it they can over ride anything with their computer...just ask any volvo owner with a lvl 4 on their emissions filter....after the tow haha
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Easy fix, the dealer or anyone with the correct software can contact Cummins and purchase a ZAP IT password. It may cost you $100-200 plus what ever the tech or dealer charges. This will eliminate the MPH restriction and allow you to change it to your liking.
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I have a 2015 flt CORONADO ISX - an i am told the speed gov can not be released - a dealer already tried - I OWN THE TRUCK an would VERY INTERESTED if anyone can do it
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they sell a box that hooks to speed sensor and tricks it into going faster, speedo be off though,,, xxxxxxxxxxxxxxxxxxxx i think
Last edited by a moderator: Jul 20, 2014
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really old M11 is easy to crack. look for any professinal ECM tuner. It is 20 minutes work)
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