{"id":996,"date":"2019-07-15T19:29:06","date_gmt":"2019-07-15T19:29:06","guid":{"rendered":"https:\/\/www.dealerfireblog.com\/allstatepeterbilt\/?p=996"},"modified":"2023-10-20T17:39:00","modified_gmt":"2023-10-20T17:39:00","slug":"introduction-to-automatic-auto-desorb-feature-on-mx-powered-peterbilt-chassis","status":"publish","type":"post","link":"https:\/\/www.allstatepeterbilt.com\/blog\/introduction-to-automatic-auto-desorb-feature-on-mx-powered-peterbilt-chassis\/","title":{"rendered":"Introduction to Automatic \u201cAuto Desorb\u201c Feature on MX Powered Peterbilt Chassis"},"content":{"rendered":"<p><span style=\"font-size: inherit\"><span style=\"font-weight: 400\">When Engine software version RC 7 was released in 2018, it added a whole new level of functionality to the MX powered Peterbilt chassis. Continue reading to learn about Automatic regens, or \u201cAuto Desorb,\u201d and how it can benefit you and your vehicle. <\/span>.<\/span><\/p>\n<p><!--more--><\/p>\n<h4><b>What Is Automatic Regens?<\/b><\/h4>\n<p><span style=\"font-weight: 400\">Automatic regens is also known as Auto Desorb, and it\u2019s a feature that gives your truck the ability to perform small maintenance regenerations on its own. In other words, it doesn\u2019t require a driver\u2019s interaction to perform regen functions.&nbsp;<\/span><\/p>\n<p><span style=\"font-weight: 400\">Basically, these automatic mini regens help reduce the burden on the truck driver when it comes to performing mandatory stationary regens. And this can be particularly helpful to those who operate trucks that are older, as well as to those who drive in cold climates and who idle for more than three hours continuously.&nbsp;&nbsp;<\/span><\/p>\n<h4><b>What Are the Benefits You Can Derive from a Truck with Automatic Regens?<\/b><\/h4>\n<p><span style=\"font-weight: 400\">What\u2019s the benefit that you can derive from Auto Desorb? Put simply, it means that you won\u2019t have to put your truck out of service for upwards of an hour, wasting precious time. And it also means you don\u2019t need to initiate these types of regens yourself.&nbsp;<\/span><\/p>\n<p><span style=\"font-weight: 400\">By using this attractive new feature on your Peterbilt, you can:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Prevent shortened aftertreatment life<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Reduce costly downtime<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Avoid nuisance manual regens<\/span><\/li>\n<\/ul>\n<h4><b>Some Information on the Automatic Diesel Particulate Filter (DPF)&nbsp;<\/b><\/h4>\n<p><span style=\"font-weight: 400\">With Automatic DPF, warm-up may happen automatically, without you needing to provide any input, while your truck is idling. Also, if you\u2019re idling for extended stretches of time, the truck will increase engine speed periodically, sometimes without notifying you, so it can reduce the need to do a parked regeneration.&nbsp;<\/span><\/p>\n<p><span style=\"font-weight: 400\">In the event that a parked regen is required, you won\u2019t be able to drive, but the truck will be safe to drive during a DPF Warm-Up. You can also stop the Automatic DPF Warm-up by pressing the brake. But if you stop the Warm-up, a 10-minute restart delay timer will begin, and the truck will attempt this function every 10 minutes until it can be completed.&nbsp;<\/span><\/p>\n<p><span style=\"font-weight: 400\">Can you disable this functionality if you want to? Yes, but then you might need to do a parked regen, especially if your truck has experienced extended idling.&nbsp;<\/span><\/p>\n<h4><b>How to Regenerate Peterbilt Trucks&nbsp;&nbsp;<\/b><\/h4>\n<p><span style=\"font-weight: 400\">Here\u2019s what to expect when you use Automatic DPF Warm-up:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It will occur every 3 to 8 hours if you\u2019re idling for extended periods of time. <\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It will take anywhere from 20 minutes to 1 hour to complete. <\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">If your notifications are available, you\u2019ll see a 2-minute timer that will serve as a countdown that will let you know that the Auto DPF Warm-up is going to begin. <\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The engine speed will be elevated while the Warm-up is happening. However, it won\u2019t change engine speed if PTO is active. For Auto DPF Warm-up to occur with PTO active, PTO Engine Speed would have to be above roughly 900 rpm.&nbsp;<\/span><\/li>\n<\/ul>\n<h4><b>Operator Actions That Will Activate or Deactivate Auto Desorb<\/b><\/h4>\n<h5><span style=\"font-weight: 400\">To activate auto desorb:<\/span><\/h5>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Accelerator pedal not pressed<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Foot brake not pressed<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Clutch pedal not pressed<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Parking brake set<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">DPF regen switch isn\u2019t set to \u201cinhibit\u201d<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Truck in neutral and speed is 0<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Coolant at operating temperature<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">There aren\u2019t any related engine or aftertreatment faults<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">If PTO is active, engine speed is greater than 900 rpm (engine speed threshold varies based on ambient conditions)<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Engine load is less than 600 lb-ft (engine load threshold varies based on engine speed)<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">To deactivate auto desorb:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Accelerator pedal pressed<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Foot brake pressed<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Clutch pressed<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Parking brake not set<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">DPF regen switch is set to \u201cinhibit\u201d<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Truck speed is over 0<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Coolant isn\u2019t at operating temperature<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">There are related engine or aftertreatment faults (for example: BPV, VGT, EAS overtemps, pre-DOC temp, etc.)&nbsp;<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">If PTO is active, engine speed is less than 900 rpm (engine speed threshold varies based on ambient conditions)<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Engine load is greater than 600 lb-ft (engine load threshold varies based on engine speed)<\/span><\/li>\n<\/ul>\n<h4><b>What Truck Models Have Automatic DPF Warm-up?<\/b><\/h4>\n<p><span style=\"font-weight: 400\">If you\u2019re driving a MY17 truck, the software can be updated to MY17 RC7. This will enable Automatic DPF Warm-up Functionality. Keep in mind that the functionality will be disabled by default.&nbsp;<\/span><\/p>\n<p><span style=\"font-weight: 400\">If you\u2019re operating a MY18 truck, the software can be updated to MY18 RC2. This will enable Automatic DPF Warm-up Functionality. Bear in mind that the functionality will be disabled by default on a chassis that was built prior to May 1, 2018, and it will be enabled by default on trucks that were built after May 1, 2018.&nbsp;<\/span><\/p>\n<h4><b>Additional Helpful Information About Your Diesel Particulate Filter (DPF)<\/b><\/h4>\n<p><span style=\"font-weight: 400\">You\u2019ll know that your DPF is regenerating because the engine RPM will increase. This will be done to create higher exhaust temperatures to help with the regen. However, you can also look for a \u201chigh exhaust temperature\u201d warning when your park brakes are set and your truck is doing a regen.&nbsp;<\/span><\/p>\n<p><span style=\"font-weight: 400\">The average DPF filter might need to be cleaned around 250,000 miles. And it might need to be replaced around 500,000 miles, as a couple of rough estimates. Remember: high idle times are the biggest contributor to premature cleanings and failures of your DPF. And you\u2019ll be able to tell if your DPF is clogged by looking for fault codes, such as \u201cDPF differential pressure high.\u201d&nbsp;<\/span><\/p>\n<p><span style=\"font-weight: 400\">We hope that this information clears up what the Auto Desorb feature is, and why it\u2019s so popular. Be sure to take advantage of it on your Peterbilt chassis if you can!<\/span><\/p>\n<hr>\n<p><span style=\"font-weight: 400\">Sources:<\/span><\/p>\n<p><a href=\"https:\/\/www.allstatepeterbilt.com\/blog\/introduction-to-automatic-auto-desorb-feature-on-mx-powered-peterbilt-chassis\"><span style=\"font-weight: 400\">https:\/\/www.allstatepeterbilt.com\/blog\/introduction-to-automatic-auto-desorb-feature-on-mx-powered-peterbilt-chassis<\/span><\/a><\/p>\n<p><em>Updated on November 20, 2020<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>When Engine software version RC 7 was released in 2018, it added a whole new level of functionality to the MX powered Peterbilt chassis. Continue reading to learn about Automatic regens, or \u201cAuto Desorb,\u201d and how it can benefit you and your vehicle. .<\/p>\n","protected":false},"author":1,"featured_media":1333,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v16.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<link rel=\"canonical\" href=\"https:\/\/www.allstatepeterbilt.com\/blog\/introduction-to-automatic-auto-desorb-feature-on-mx-powered-peterbilt-chassis\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Introduction to Automatic \u201cAuto Desorb\u201c Feature on MX Powered Peterbilt Chassis - Allstate Peterbilt Group\" \/>\n<meta property=\"og:description\" content=\"When Engine software version RC 7 was released in 2018, it added a whole new level of functionality to the MX powered Peterbilt chassis. 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