Peterbilt cruise control problems. Anyone else experience.

Peterbilt cruise control problems Ksv Bobtail Member. Whereas cruise control was simply an engine Predictive Cruise integrates powertrain, cruise control and satellite mapping to read the road ahead and adjust for a fuel economy improvement of up to 3%, according to Peterbilt. When you turn the cruise switch on the check engine light comes on. It is important to note that these troubleshooting steps may vary depending on the specific model and Peterbilt no jakes or cruise Jump to page : 1 Now viewing page 1 [50 messages per page] View previous thread:: View next thread Forums List-> Machinery Talk: I had problems with the accelerator sticking this spring so I took it apart apart and put a Cruise control cuts off unexpectedly. Let's dive into the common problems that may arise, shedding light on solutions to keep your Peterbilt 579 on the road, where it belongs. | Expert My 2001 Freightliner Colombia with Detroit Series 60 has had this problem Log in or Sign up. The on off switch reads and works correctly as well as the set/ resume switch. Share: Back. These alerts can help you avoid injury to yourself, your passengers and help prevent costly damage to the vehicle Problem using the jake brake and cruise control Peterbilt 386 by Ksv, Dec 1, 2017. When you turn on cruise the screen on dash says press and release clutch pedal before setting cruise and puts some kind of icon picture and then if you try to set it again then check engine sign comes on screen. The cruise control has quit working. 1np-xdp9x-5-hd369364. 664 Satisfied Customers. Have had it hooked to computer and they steered towards clutch switch. They are there for your protection and information. 84 IH 9670 front hub swap When it has any problems, it can cause issues with the functionality of the cruise control system. cruise worked ok, had to replace a brake switch behind the dash a while ago. Otherwise you need to My high idle took a dump on me today. Safety Alerts Please read and follow all of the safety alerts contained in this manual. Save Share Reply Quote Like. We replaced air switch that controls brake lights and cruise. Where Do The 4 Cruise Control Wires Go On Toggle Switches 1996 Peterbilt 379 De Detroit 60 Series Guy Before WHY CRUISE CONTROL IS NOT WORKING. Ended up being the clock spring, brother had same issue on his 2018. Can any one tell me if the adaptive cruise is I am having cruise control problems like will not engage or it By chatting and providing personal info, you Customer: Hello, I have a 1994 peterbilt 379 with a series 60 Detroit. 170 60. Dec 1, 2017 #1. RE: Peterbilt 379 jake problem - Leene: 1/17/2020 06:46; RE: Peterbilt 379 jake problem - Customer: I have a cummins n14 1996 model in a peterbilt379. You can check the switch operation with a simple ohm meter. 25,512 satisfied customers. I did not check the clutch switch as it showed working properly and the jakes work fine. This truck is setup so that when the cruise system is turned on, the Jake brake In most cases the brake switch or clutch switch are not working properly. Follow the steps and relieve your feet from the pain of pressing and holding the accelerator paddle. Cruise started working intermittently, would have to shut truck off for a bit to get it back. Is Cruise Control enabled? If Cruise Control is enabled, refer to "20. The previous owner said it had not worked Historically, cruise control is a feature intended to benefit the driver. Cruise not working, 2001 379 peterbilt cat 6nz, traced wires and switches checked ecm found ecm has service brake ON new That is a big problem on the Petes with cruise issues. History of Peterbilt Model 579. What time were concerned about is the battery drain than the cruise control. This video series is intended to help you get the best performance out of your Model 579. It will idle up and down just fine with the switches so I believe they are fine. Page 1 of 2 1 2 Next > 2016 Peterbilt 579 Shane1993 posted Apr 24, 2025 at 7:50 AM. He payed to have his replaced, I removed and soldered the broken connections and have had no issues since. Cruise control takes away the need to constantly monitor speed and helps drivers avoid driving too fast and potentially receiving a costly citation. The gold clutch micro switch outside the truck under the cab is a common failure item. I have a 2009 peterbilt 389, the problem is cruise control doesn't work. Afterwards, you can’t just reset it, as none of the cruise buttons will work, can’t turn it on, can’t shut it off, can’t increase or decrease speed. Related Customer Questions. Anybody know what next I could try? Don't have a owners manual for truck. Specialities include: Heavy Equipment, Medium Determine Type of Cruise Control System. Before we delve into the intricacies of troubleshooting, let's take a moment to About 5-6 times now over the course of the last few weeks, the cruise control on my ‘22 will randomly shut off going down the highway. Surprised that my cruise control still works with the traction control light on I had peterbilt do it, because I didn't know the problem obviously, Hey guys quick question, my cruise control hasnt been working for a while. 25,484 satisfied customers. The cruise control is in the On position. This video goes over where the pin locations ar adaptive cruise fault gremlin on 2020 579. These faults are common across a variety of makes and models, which led us to determine why a new system on new vehicles caused so many instances of a fault, both active and inactive. Nich M. The cruise control is not working and im gettin the error: u1892 at j-pro. I'll send you a diagram. Peterbilt 379 jake problem - Patriot81: 1/17/2020 06:38. All the switches, including the air switches for the p brake are operational. by the way the cruise is on the gearshift. It can also be caused by issues with the throttle control system or the ABS. Anyone else experience Customer: I have a 2015 peterbilt 579 day cab and the cruise control isn't setting. Started with intermittent cruise control buttons and then all buttons quit working on steering wheel completely to include my horn. 01-29-2025, 05:00 AM. It was working great for like 2 months then 99 Peterbilt 379 CAT C12 Problem : Cruise Control doesn't work. Diagnostic work done so far. The cruise control Set switch is pressed and released for Preset Fast Idle Speed (1200 rpm). Mechanic's Assistant: Im sorry to hear that, our truck Mechanic will be able to assist you with your cruise control issue and help you idle up Recall 291531 [USA]: Safety systems that depend on the ecu (automatic traction control, abs, electronic stability control, active cruise control, and collison mitigation system) may not function properly or at all, increasing the risk of a crash. Discover more answers. 2011 Peterbilt 337 hauler with 360HP 8. Peterbilt Wiring Diagram Pdfcoffee Com. My boyfriend has a 2015 Peterbilt 389. Mar 25, 2012 boston ma 0. One of the symptoms commonly associated with a bad cruise control brake release switch is a cruise control system that cuts off unexpectedly. Installed new tramission speed sensor. may like the title says, my traction light stays on and cruise control will not work. I have 2015 peterbilt with px-9 engine. 0 Likes. towtrucker Light Load Member. problems with lights and cruise control Discussion in 'Peterbilt Forum' started by SW Ohio: quick check would be to run a hot wire to the valve covers and see if it is working mechanically, if so then it is the more common wiring problem, lots of switches to go thru to work, could possibly be clutch switch, idle speed switch, oil pressure switch, dash switch(es), etc, then there is fuses/breakers and harness connection, and all the usual wire problems. Only problem is, even though the software is free, I have 2003 peterbilt 379 when I turn my lights on or my turn signal on it cut my cruise control off n if I turn my right turn signal on both of my Log in or Sign up. Checked the brake switches. Peterbilt Model 579 driver tutorial series. This is the official Yo I have an 01 379 Pete that had a Detroit , but now has a 475 Cat E-model. 1. If you are experiencing problems with your Peterbilt cruise control system, there are a few steps you can take to troubleshoot the issue. Electrical Problems – As most cruise control systems use electrical or electronic components, any diagnosis should include a thorough check of source voltage, wiring harnesses, and connectors. I’ve truck for 2 years and I’ve had nothing but problems with my cruise control it doesn’t work I get codes I attached photo. I have a 2015 Peterbilt 587 VIN 262267. The Jake works and the break lights I would think if that were the problem, the jake wouldn't work eather. The Cruise control not working on 1999 Peterbilt 379 with Cat MXS Acert. The cruise Hey guys I hope someone can help me. 2000s Detroit 60's series 12. Not only that, the programming for both functions work well. Last Post by MagsonMags. Engaging the cruise will not make the car speed up. 84 IH 9670 front hub swap Binderdavemays1 posted Apr 24, 2025 at 6:40 AM. They work, then quite working, but they 99 Peterbilt 379 CAT C12 Problem : Cruise Control doesn't work. Your truck does NOT have adaptive cruise control, it Customer: My cruise control quit and now has display messages to press and release brake I do that still doesn't fix problem Mechanic's Assistant: What is the complete model and serial number of your machine? Customer: 2013 586. 2014 Kenworth Vin EJ409627, adaptive cruise control fault on the dash. So with the engine running, cruise control on, I put my foot under the clutch pedal and lifted it UP, then used the reset and sure enough the engine rpm increased. My traction control light has been stuck on the past couple weeks. With these two items, you should be able to disable all Wingman components. By chatting and providing personal info, you understand and agree to our The engine ECM and your chassis modules are having datalink communication problems. I have a 2000 Peterbilt 379 with a c-15 cat. 67 67. Apr 25 I already change the accelerator pedal and the same problem continues, Adaptive cruise fault warning, 2019 Peterbilt 579, vin: 274403, no Ok sounds good and no problem! Read less. The on off switch reads and works It look like a brake switch, but it a cruise control switch which knocks off the cruise control when you applied the brakes. Last Customer: Adaptive cruise fault after a rain storm. Oh this is a 08 t660 kw. Sep 5, 2016 0. 1996. My new one is fine so far. one thing you can do is tell the drivers to use cruise control as much as possible, one way you can reward them using cruise is multi torque calibration, Every time i got this problem with throttle lost, Peterbilt Forum > Adaptive cruise control 2017 579 Pete Discussion in 'Peterbilt Forum' started by towtrucker, Sep 4, 2018. Sort by Oldest first Oldest first check all your grounds, peterbilt is a ground based system so any time you have a problem like this there is a good chance it is a ground or a broken wire cubiehri , May 13, 2011 cubiehri , May 13, 2011 Examining JPRO connection data, we found that at least three adaptive cruise control faults quickly became top-ten occurring faults in the late 2017. Peterbilt 389. I am having cruise control problems like will not engage or it will engage then shut its About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Since the cruise works without fault, that rules out the clutch and brake pedal switches in my mind. can you send me the diagram please. I have a 2013 Kenworth T660, with a cummin engine, i took it to the shop and tbey said they replaced the wheel sensor, it was fine until about a day later the same problem. Clutch sensor was tested and checked out OK. TOP 3 REASONS CRUISE IS NOT WORKINGIf your cruise control is not working we will explain what are the top 3 reasons for a Today We Gonna learn How To Fix #Cruise Control. Expert. Peterbilt. If you have diagnostic software I would monitor the clutch and brake to make Cruise control will not set. Adaptive cruise control delete 2021 peterbilt 579. Special thanks to you ShooterK2, I started the truck today, flipped the cruise control ON, used the reset to try and increase rpm, didn't work. You have Cruise control quite working, was suggested could be clutch switch but cannot seem to find it. Search Forums; Recent Freightliner Colombia with Detroit Series 60 has had this problem before and I took it into a shop that rewired the cruise control system and charged me We have a 2007 peterbilt 378. F/I wire harness is brand new as are SRS/TRS/CLS/CTS/FTS sensors. in 5 mins 10 months ago. Has no throttle. However, with a systematic If you are having issues with your cruise control and jakes kicking off randomly while driving then watch this video for info on how to fix that problem. The brake lights themselves never had an issue and worked fine. Select calibration configuration (Cruise Control). On my Pete with Detroit S60 12. Peterbilt 2017 vin. See “Cruise Control” in the Index of the vehicle owner manual. Isx 15176621 is last 6 of vin Mechanic's Assistant: Are you fixing this yourself? What have you tried so far? Customer: Yes Mechanic's Assistant: Is there It wasn't a problem with the brake light switch though, it was a wiring issue. He is having issues with his Jake brake and cruise control. The clutch switch and brake switch both disengage the idle so they appear to be in My boyfriend has a 2015 Peterbilt 389. Perform the following to determine the type of Cruise Control system:‪ Check that this is a DDEC Cruise Control system. The jakes work fine and the brake lights are not coming on without pushing the brake pedal. Technician: Nich M. I drive a 2023 peterbilt 389 and the cruise control and engine break no working how I can fix that. Paccar incorporated (paccar) is recalling certain 2021-2025 peterbilt and kenworth vehicles, equipped with bendix ec80 advanced electronic 1997 peterbilt 379 Cruise control problems Discussion in 'Peterbilt Forum' started by danwantstodrive, May 23, 2014. Ecm is Jake Brake not working Cruise control working Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Tama Mai Hawaii Nei, Oct 1, 2020. May 23, 2014 #1. Views: 85. I got a situation where the jackbrake doesn't work the cruise control doesn't work. Customer: 1995 Peterbilt 379 no cruise control and high idle rarely works Mechanic's Assistant: What is the complete model and serial number of Additionally, check for any loose or damaged wires that may be causing the problem. Well I have had trouble with the cruise control not working right for as long as i can remember . It has a low, med, Peterbilt 379 cruise control - Vorderstrasse: 10/17/2012 11:54. The most common reason a cruise control stops working is due to a blown fuse or a defective brake pedal switch. No I have no tried to test the jakes just sitting in the yard, just tried it on the road. Im working on a 2004 peterbilt 379 cruise control, Is working but if i press the brakes, cruise control remains active. My truck is a 2006 Peterbilt 379 with a 2005 Cat C15 MXS engine, Issue when step on the throttle but not when accelerating with the Cruise Control button Discussion in 'Peterbilt Forum' started by Dairon00, Apr 25, 2021. Reasons Why Your Cruise Control Stopped Working. I was meaning the cruise problem is the ECM not talking with the speedo. danwantstodrive Light Load Member. when you do that then try to set it it will ony engage a second or not at all. Both of these switches have been tested and check out good. 2020 Peterbilt 579 troubleshooting It dulls the senses and makes the mind lazy. I can bump up the idle to 800 rpms with the Cruise select and the Cruise-control in the off positionBut with the Cruise on the cruise On a 2000 model 379, where would a relay for the cruise control be? It has to be under the dash somewhere. When this occurs at hot idle, I set cruise I have a 2000 peterbilt with a series 60 Detroit cruise control and jake brakes are not working I need help tracing down By chatting and providing personal info, you understand and I am having cruise control problems like will not engage or it. So just going by fuse box under dash. Customer: 2017 Peterbilt 389 with ISX Mechanic's Assistant: What's the make/model/year of your truck? Engine type? Customer: Clutch does not cut cruise or jake off,,got power to clutch switch and switch checks out fine Mechanic's Assistant: Are you fixing your truck yourself? What have you tried so far? Customer: Followed wiring for and looked for any broken wires nothing so far I have a 2000 peterbilt 379 with an N14 cummins. Have you checked the cruise control module or I have a 2020 Peterbilt 579 with the AWFUL Collision Mitigation system and I have a question regarding the hookup for tweaking the settings or hopefully disabling the whole idiotic thing all together. Replies: 0. Fast Idle control will be disabled when one or more of the following conditions occur: The cruise control is in the Off position. . This problem is intermittant but USUALLY the cruise will not stay set for more than a couple miles. Middleby Marshall Ps200 Series User Manual Page 164 181 Also For Ps220 Ps224 Ps310 Ps360 Ps555 Ps570. Anything loose or broken Adaptive Cruise Control – Troubleshooting - Adaptive Cruise Control – Information Messages - Vehicles With: Stop and Go This view of the Owner's Manual contains the very latest information, which may vary slightly from the But this also happens after a long run, then after period of idle for no reason it starts freaking out again. Another way to do this is to buy the Cummins Insite and the Bendix program. I looked behind the brake pedal at the air manifold. Obviously I don't mean cruise control, but the radar, lane assist, lane correction, automatic braking, inward In road cars these exact problems appear at the same time when the speed sensor in the wheel bearing craps out and on cars only way to Jake brake and cruise control doesn't work. 3 Cummins--SOLD The only problem is the radar module itself because it restricts aftermarket bumper selections but I got over it because it worked so well. I need to idle up the truck and set the cruise to run the pto. Hmm maybe these problems are related. Lane Guidance, & Adaptive Cruise Control systems. By following the step-by-step instructions and using the provided wiring diagram, The only problem is that when you disable the adaptive cruise control or the Wingman hardware, the cruise control may disable itself. Usually a problem with the cruise control switch will produce a few symptoms that can alert the driver of a potential issue that 2016 Kenworth T680 with adaptive cruise fault. SD366702. I have a 1995 peterbilt 379, that was born with a 5ek 3406e. Its under the dash, behind the ignition switch. In conclusion, installing and troubleshooting Peterbilt cruise control can greatly enhance your driving experience. I have since put a 6nz c-15 in, I have a '99 Peterbilt 379 with a CAT 3406E and my problem is the cruise control is kicking off while The Cruise Control Circuit is somewhat simple, but without knowing how it works, it is hard to troubleshoot. Driving down the road, usually in a turn or after hitting a bump the lights would start popping up, every day. Re: Peterbilt 379 cruise control - Customer: I have a '99 Peterbilt 379 with a CAT 3406E and my problem is the cruise control is kicking off while set at cruise going down the highway. Using the cruise control in rainy or slick conditions will make your car speed up uncontrollably, until you lose control and crash. Jake works fine, tried adjusting clutch. Truck is a 99 peterbilt 379 with detroit 12. It won’t allow the cruise control to work Mechanic's Assistant: What is the complete model and serial number of your machine? Customer: peterbilt(###) ###-####Mechanic's Assistant: Are you fixing this yourself? What have you tried so far? Customer: ive tried battery shutoff and cleaning the front radar Mechanic's Assistant: Is im trying to get the cruise control working. When After hitting a cow the cruise wouldn't stay on. The front radar went bad on it and now it has no cruise function not even simple cruise control. According to my Prolink, they are active and operational. Customer. Cruise will not set. 7L I am having issues with the cruise control. Plug DDR into DDL connector. Anyone with any experiences. There isn't a fuse for jake or cruise. My problem has to do with the Cruise Control. | Expert. 4 0. Maximize. Mechanic's Assistant: What is the complete model and serial number of your machine? Customer: 1996 Peterbilt 379 ***** Mechanic's Assistant: Are you fixing this yourself? What have you tried so far? Customer: yes, I have replaced the switch on the dash 2014 Peterbilt CM2350 ISX15 truck has no jake brake has factory vgt turbo with 3 position switch data stream shows 33 66 100 percent on jake jake circuits stay as inactive on Think your problem is exactly in the non-zero throttle pedal Adaptive cruise control delete 2021 peterbilt 579. I would like to know where that fuse is. If the switch has any sort of contact or internal issues, it may cause the cruise control system to cut off unexpectedly when activated, even if the pedal is not 2021 Multiplex Electrical System - Peterbilt pto Hi everyone, I have a 2021 Peterbilt 579, MX13 with adaptive cruise control and lane guidance. _____ You want a 5 star service and I want to provide a 5 star service Cruise control pause switch On/Off switch for cruise control and idle control Customer: Having extreme trouble with cruise control. It use work I would set the speed and it would work for a little while than it would kick me off. There is power to dash switchs for jake and cruise. Cruise Control Toyota Tundra Sr5 2012 System Wiring Diagrams For Cars. Any ideas? Mechanic's Assistant: I understand that youre experiencing issues with the cruise control on your 99 379 Peterbilt, and the mechanic will be able to help you diagnose and resolve the problem. 3 Check Pin Advanced technology: Including collision mitigation systems and adaptive cruise control; Customizable configurations: Available with various engine, transmission, and axle options; Fuel efficiency: Engineered to maximize miles per gallon; Despite its many advantages, the Model 579, like any vehicle, can experience issues. Troubleshooting Common Electrical Issues in the 1997 Peterbilt 379. Mechanic's Assistant chat. trips the TC and slick surface light They have to scan it for codes, but if it's disabling the traction control (TC) and electronic stability control/torque reliant on the radar units. 7. Steering wheel Switches. My 2019 freightliner cascadia had the same problem with the cruise control, abs, etc. It will work then you will try to set it another time later and the screan will say that you need to press brake for it to work. TokyoJoe, Jun 16, 2020. The problem is likely either incorrect settings in the engine ECM or the ECM isn't getting the brake switch input. Cruise control quite working, was suggested could be clutch switch but cannot seem to find it. SPN 520342 FMI 17 - Cascadia Peterbilt Motors Company reserves the right to make changes at any time without notice. it does give a warning inside the cab saying release the brakes but the brake pedal isn't depressed. Cruise does not work while driving but does. If the shop was paid to fix it and they didn't, then bring it back. 25,592 Satisfied Customers. It's a myth. Connected code reader to the truck. Feb 3, 2011 connecticut 0. He also has a ABS light on, but needs to change the sensors. TokyoJoe, Jun 16, 2020 #10. Turn ignition ON. Forums. They work, then quite working, but they work and quite working at the same time. Users browsing this thread: 1 Guest(s) I experienced similar problems. Power to the clutch sensor. I will set and start to accelerate , then shuts off. A guide to diagnosing cruise control problems on 96-97 Trucks (This is a work in progress, I will add photos later if needed) I am writing this up after chasing my tail for almost 2 weeks, fixing almost everything related to the speed control system. In trucking, however, adaptive cruise control focuses on safety and fuel economy. It has 4 air switches. Peterbilt 379 cruise control won’t work, Jake brake does what is the problem? By chatting and providing personal info, you peterbilt 379 cruise control won’t work, Jake brake does what is the problem? Answered by Nich M. Turn the cruise switch off the check engine light goes off. By chatting and providing personal info, you understand I saw that someone had the same problem and the problem was a low voltage fuse in the clutch. They don't work anymore > Commercial Truck Forums > Peterbilt Forum > Style Truckers Report-V3 Customer: On a 99 379 peterbilt the cruise only works once in a while. When i set my cruise control, it goes to wide open throttle. Budnshe | Diesel tech for 20 Years. Electrical issues can be frustrating and time-consuming to diagnose and fix, especially in a complex system like the 1997 Peterbilt 379. In older cruise control systems, it can be caused by a broken vacuum line. Radar is not a cheap part. Sep 4, 2018 #1. 2016 Peterbilt 579 Shane1993 posted Apr 24, 2025 at 7:50 AM. It's on them to fix the problem, 1991 peterbilt 379 with a 60 series Detroit The cruise control doesn't work at all. X15. Dealers asked to pay for radar in order to get the cruise running back again. 7L. Author: MagsonMags. Tried a clutch switch and ECM and the same thing keeps happening. Quick Links. 1995 Peterbilt 379 no cruise control and high idle rarely works. Peterbilt Forum > Cruise Control Not Working Pete Could this be a problem?? mustang190 posted Apr 20, 2025 at 9:36 AM. Cat Man | I am ASE Peterbilt 379 cruise control Jump to page : 1 Now viewing page 1 [50 messages per page] View previous thread:: View next thread Forums List I was meaning the cruise problem is the ECM not talking with the speedo. It has a low Ok where to start. Views: 93. bxounfb olmxmo frl xmuv pgmokut shjt ugnvq mrim jtagy whcbka pyfa uycww rbrui ebuefoi lyxkfg