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Cummins, Paccar soften DEF derates — after EPA gave them room
Software can't fix a bad DPF sensor, but easing the hard-derate cliff on DEF faults should cut down-mission events for fleets that had trucks limping to 5 mph over a code that needed a shop, not a roadside. Worth checking whether your ECM update is a recall-style push or something you have to schedule — and whether it changes… — sources — Story: www.ttnews.com/articles/paccar-cummins-def-up… Related: [1] landline.media/can-brokers-trust-fmcsa-safety… [2] landline.media/long-awaited-broker-transparen… [3] www.freightwaves.com/news/two-companies-on-sa…