Thanks. In that case, there is a problem in the pump or the steering box, leading to faulty steering. I have replace the Low Pressure Switch located beneath the Park Brake Release Knob. GOOD LUCK with your problem but the AMU system sucks. Its almost as if the brake lights have been wired up to the air pressure system, its very odd and Im not sure where to turn next. 1. After5 hoursit was taken into the shop and the mechanicasked me what the problem was. It can also be caused by a broken brake pedal or a fault in the electrical system. Please select the number of verifiable months youve been driving professionally using your Class A CDL within the last 3 years. I then closed the coach up and took it for test drive. Always inspect the connector pins and wiring harness to avoid damaging the lighting circuits, which results in faulty headlights. If there is only one, replace the other. the park brake light is now on. JavaScript is disabled. The most common ones are clogged DPF, EGR fault codes, and the VGT turbo operation. Most of the time, the wiper will start working again after that troubleshooting method. COM ABS stands for antilock braking system, and if the ABS warning light is illuminated in your car's gauge cluster, that means the antilock system has been. 1-5 Months 3 Years The buzzer and light started immediately. endstream endobj 56 0 obj <> endobj 57 0 obj <> endobj 58 0 obj <>stream If there is low braking fluid in your car's braking system, most likely there is a leak of some sort. When it comes to transmission problems in Freightliner M2, you will often encounter transmission leaks, fluid flush, solenoid replacement, and transmission linkage. Please help. %%EOF Common Freightliner M2 electrical problems include a defective blower motor, heater, engine fan, horn, power-take-off (PTO), bulkhead module, instrument cluster, and cruise control. Do you have a Freightliner repair shop that would work on RV chassis in your area ? googletag.enableServices(); Thanks for sharing your fix with the group. Ive replaced the brake switch with a known working one, inspected the brake pedal have not let it contact its switch same thing. F: 864-206-8755 83 0 obj <>stream In this article, you will learn about common problems in Freightliner M2 trucks and how to fix them. The electronic windows of a Freightliner M2 are a bit annoying to deal with since it always happens unexpectedly. You are using an out of date browser. Cooling level sounds a bit off the wall, as you said, but what the heck. '02 FL90 when the park/marker lights are on by themselves they will stay on fine indefinitely (switch in down position). Come join the discussion about performance, builds, ecodiesel, towing capacity, modifications, classifieds, troubleshooting, maintenance, and more! Ive even unplugged the brake switch and it has absolutely no effect on the brake lights. These gauges are possible to malfunction over time. When your Freightliner M2 encounters turn signal problems, it is most likely that it has multiplexed wiring connected through the bulkhead controller. You should see little air bleed off no more than 4 lbs in 30 seconds. To do this, remove the red air line from the steering axle brakes at the double-check module and cycle the brake pedal on and off. Daimler reported no crashes or injuries in its Sept. 18 report to NHTSA. Do you know if this is true? The sensor is located in the air line at the park brake valve. Low voltage or VBAT1 is the problem of a faulty headlight. Steering issues are why Daimler recalled thousands of Freightliner trucks, including the Business M2 models. If the car is stopping ok, and the brake fluid is full, and the p-brake lever is down or off and yet the warning light is on and changes with the headlight, then I think you have an electrical issue. Join us for knowledge and insights on how to improve your operations. googletag.defineSlot('/21776187881/FW_Super_Leaderboard', [[300, 50], [970, 90], [300, 100], [728, 90]], 'div-gpt-ad-1668097889433-0').defineSizeMapping(gptSizeMaps.banner2).addService(googletag.pubads()); Yours probably is in the wiring but just wanted to pass on how my issue was solved. P: 855-253-0421 Sometimes it starts immediately after puttingthe transmission in Drive (after releasing the brake). MY problem with #5 is I'm driving along w/cruise on and it drops off. Thus, troubleshooting will confirm it. googletag.defineSlot('/21776187881/fw-responsive-main_content-slot3', [[728, 90], [468, 60], [320, 50], [300, 100]], 'div-gpt-ad-1665767553440-0').defineSizeMapping(gptSizeMaps.banner1).addService(googletag.pubads()); This should operate the brake lights by use of the drive axle pressure only (green line). THE HEAD LIGHTS DO ILLUMINATE WHEN SELECTED. Weird thing is, is that my diagnostics reader did not show a code. Some drivers experienced difficulty when steering left or right. I'll start the truck up with no air in the tanks, and the second it hits 100psi in the tank the brake light comes on and stays on. I was quoted $75 for the part today from my local freightliner dealer which would have to order it in since they don't stock it. We basically had the same issue. The only item that comes to mind at this time is a common ground point, that is ether corroded or possibility loose. The way the parking brake system works on most trucks is there are springs in the air chambers on the rear axle or axles of the truck that apply the parking brakes. Daimler investigated but did not see an issue rising to the need for a recall. It's caused by an air leak in the brake. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. JavaScript is disabled. Show Content. }); Daimler Trucks North America (DTNA) is recalling 142,110 of its flagship Freightliner Cascadia over five model years sold in the U.S. and Canada because the brake lights may stay on when the truck is moving. Doing a visual sweep of the gauges and lights on a pre-trip can . googletag.pubads().collapseEmptyDivs(); I heard there is another type of switch located somewhere else. We'll notify you right when a major story breaks.Enable notifications to stay up-to-date. 1. No, I never got it figured out. That may be your problem. Posted July 21, 2019. . I appreciate the helpful hints. 64 0 obj <>/Filter/FlateDecode/ID[<44E23472F9DBAB842FF6B9B1997B2A0E>]/Index[55 29]/Info 54 0 R/Length 61/Prev 147864/Root 56 0 R/Size 84/Type/XRef/W[1 2 1]>>stream 2015 freightliner cascadia with abs 11 code and abs light always illuminated. Closest I could come to a 2007 schematic. A new development is that my electric slide outs (2) seem to be acting up in that I sometimes have to move the ignition switch on and off a couple times to get them to work. Apparently if you were following me my brake light would of flashed which knocked off the cruise. Last 2020, Daimler Trucks North America (DTNA) recalled 5,604 Freightliner M2 medium-duty trucks, particularly those with Detroit DD5 engines, due to stalling and risk of crashing. I have an M112 I also have problems with my AMU's so far I've had #1,6,and 9 replaced once and #5 is going on the 4th time. Diesel Exhaust Fluid (DEF) and Diesel Particulate Filter (DPF) problems may occur if an engine fails or a clog in the fluid lines interrupts the flow. Daimler received its first complaint of the brake pressure switch malfunctioning in March 2019. Nevermind, those directions were to add a 12v signal to operate something like a trailer brake controller etc. The AC will work well if it is warm enough inside. Sometimes, a cruise control fails to work because the return springs get broken or weaken over time. You must log in or register to reply here. Once the electric lift pump stops running, remove the fuel line and crank the engine to verify that your fuel supply, lift pump, and gear pump are all good. You need to connect the truck to a diagnostic computer to perform a switch function test if it does not work correctly. It received a second report in June 2019, which included a complaint that the cruise control would not work because of the brake pressure switch malfunction. It will allow you to ensure that the bulkhead module can see or detect the horn button once you press it. Herman's explanation above isn't too far from what I was thinking. Once the bulkhead module fails, it will cause the wiper motor and headlights to malfunction. hbbd``b`$@ $V ! Can someone tell me where it might be. Blown Fuse. Mine was a three wire sensor and I understand there is a two wire sensor that was also used. There are two possible reasons for encountering problems with the blower motor. I have a 2007 M2, when you step on the brakes, the lights come on like a strobe then settle down and stay on. As you engage the switch, conduct a test light while pulling the door panels to see if you will get 12 volts on the motor. 42-64 Accessing a Service Brake Light Signal on M2 Vehicles Freightliner Service Bulletin FLA COE FLB COE FLD Conventional Business Class FLC 112 Conventional Century Class Conventional Argosy COE Cargo Columbia Coronado > Business Class M2 Cascadia Page 2 Freightliner Service Bulletin, September 2014 Remove and replace if there are signs of burned wiring or corroded pin. Thanks for your reply! It may not display this or other websites correctly. Each system has its own reservoir, plumbing, and brake chambers. The second one is the fuse box. 4 Years If yes, get a hammer to tap it. The ABS, brake lights, tail lights, parking brake, and warning sirens may also go haywire. Some drivers experienced difficulty when steering left or right. In CDL School Now truckdriver31, Sep 8, 2020. Really odd issue. Freightliner M2 Steering Issues Steering issues are why Daimler recalled thousands of Freightliner trucks, including the Business M2 models. After checking all the different grounds, we came up emtpty. The brakes aren't air assisted hydros, they are just hydro brakes with the parking brake being air assisted. All Rights Reserved. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Could happen. Repair or replacement of any of these parts will solve the problem. It was barely holding on and came off when I pulled on it. I also forgot to mention that I have hydraulic brakes, just the parking brake is air. I have a 2008 Freightliner chassis (Tiffin Pheaton, 40 ft). Hours: Monday-Friday, 8am to 4:30pm EST, CUSTOMER SUPPORT CENTER This is the number to call for chassis wiring PDF files and questions regarding issues. In March, Daimler told NHTSA it did not see an unreasonable risk to safety within the meaning of the Safety Act and applicable law. But it continued to review warranty data and determined in August and September that warranty rates were high for trucks in service for 24 and 36 months. Unplug the fuse box from its connector. If there is no voltage, you should inspect the connector pins and the wirings for possible damage. cf`ah``(QT:V~NTa`zEM5P/s% 1&=c D&@ZI?gb)&Py~ :$c Once you know the code, it is easier to diagnose correctly. Seems Ask an Expert Car Questions Truck Repair go-west.., Technician 1,266 Satisfied Customers Technican with 20 years experience focused on engines and electrical. I have a 2016 Jayco Seneca Freightliner M2 chassis. ( I have seen several forums related to this problem but have never heard from anyone who had actually corrected it. Just a matter now to get the time to continue diagnosing. In that case, try pulling the pedals up to see if it will work. May 14, 2014 #3 You must bring your truck to a mechanic immediately to fix AC issues. So, the first thing you should do upon noticing that the ABS light has come on whilst driving your Freightliner Truck is to safely park the vehicle as it is indicative of a problem within the braking system. You will need the VIN number. If the thermostat and heating controls need to be fixed, you can buy and install a new one. jodan0586, June 12, 2016 in Type A motorhomes. Hope this helps. Look for it and check if it is better for repair or replacement so the problem will no longer persist. I called Tiffin and they said they have nothing connected to that system. When your Freightliner M2 truck has electrical issues, you will notice how the engine runs even if the keys are off. they stay on. You can find it below the hood, which serves as the power source of the blower motor. the message center reads "Park brake not set" and alarm sounds after I put it in drive and release the yellow park brake. Anti-lock Brake System Repair Parking Brake Light Stays On FAQs Why is my warning light on? There is more likely that the issue is software-related. The alarm sounds while driving. After doing all these and the PTO is still not working, you should diagnose the bulkhead control module to check for any software or hardware issues. This can be checked easily by jiggling the handle after it is down. Check Your Brake Fluid. The best thing to do is to check the fault codes if your truck fails to crank. If the brake lights don't come on after backprobing the CHM plug, then I would suspect that the internal circuit for the brake switch input inside the CHM isn't working. It turned out to be a defective pressure sensor. \"park brake on\" warning and annoying buzzer going off as well as the lights going to high beam everytime the warning lights up while hitting a bump, people think I'm telling them to go ahead and get in the lane or they think I'm flashing them LOL. If the problem persists, remove the motors and install new motors and brushes. we just returned from a 400 mile trip last month without any problem. Dual Air Brake System. The Parking Brake light should turn on when you engage the brake, and turn off when the brake is disengaged. I reattached it and tested the slides. Aside from these, you may also check any damage within the wiring and harness that may cause a short circuit. When you push the parking brake knob in, this supplies air to those air chambers and pushes against the springs to release the parking brakes. If the light turns off (or turns off and then back on), the switch is the most likely culprit and will need to be replaced. Another common issue among Freightliner M2 is failure to build air pressure. M2-112 is a BEAST! ExpeditersOnline.com is the Internet's leading information and resource provider for the expedited transportation industry. 2. The clutch or the brake switch is the possible cause of why the cruise control disengages. 1999-2023 On Time Media, LLC. A leaking compressor is one of the most common AC issues in Freightliner M2. You can try to replace the solenoid, which you can find on the firewall. I just spent a lot of time researching and troubleshooting the problem on our Freightliner M2 106 Sport Chassis. By checking this box and clicking the "Send me job offers" button below, I represent that I: By checking this box and clicking the "Send me job offers" button below. Both slides are in and jacks are up. The kicker is the problem was a loose connection / circuit installed by the coach builder and the chassis wiring would not include it. 2007 Freightliner M2 brake light problem . Thus, it can result in fault codes for turn signal problems. Terms | To fix it, use a voltage tester to examine the metal tabs of each ignition switch fuse. The AMU is the switch right of the cluster or on the drivers side. The primary air system operates the service brakes on the rear axle; the secondary air system operates the service brakes on the front axle. Using a scanner could help diagnose the problem too. Oftentimes, the brake light may go on if the fluid is low. It is going AGAIN. If the BCM fails to send a signal from all the cab inputs, you need to ask an automotive mechanic to remove the battery for at least an hour. Price of the expert mechanic was well worth it. These codes mean too much current in the fuel water separator heater. All you need to do is check for any loose wires. I have called Gaffney and they told me it was probably something Tiffion hooked to it. My 2015 Freightliner M2 has an alarm going off and the park brake light is on as if it were engaged but it is not. Remember the instrument panel is supplied by the Chassis builder and that includes all the air system plumbing. googletag.cmd.push(function() { Do they include wiring diagrams? Short of turning the radio up louder and putting a piece of tape over the light,,your pretty much stuck with getting it fixed. Things can get very confusing if your not into repairing things. That wiring diagram helped a lot to determine a course of action. For a better experience, please enable JavaScript in your browser before proceeding. There are many reasons why a truck has regen issues. Cookie Policy | switch. 2007 m2 freightliner problem with the dome lights. On if the fluid is low installed by the chassis builder and the mechanicasked me what the problem too the... Each system has its own reservoir, plumbing, and turn off when the brake air! And that includes all the air line at the Park brake valve that wiring diagram helped a lot to a. Is failure to build air pressure will work of Freightliner trucks, including the Business M2 models but have heard. Or possibility loose mean too much current in the brake light may go on if the are. Price of the brake light should turn on when you engage the brake.. Do they include wiring diagrams are clogged DPF, EGR fault codes, and turn when! Hydro brakes with the group to ensure that the issue is software-related light. Diagnose the problem will no longer persist anyone who had actually corrected it the switch right the..., plumbing, and more builder and the mechanicasked me what the heck to replace other... School Now truckdriver31, Sep 8, 2020 closed the coach up and took it for test drive trucks including! The problem persists, remove the motors and brushes on the firewall off when i pulled on.. Codes mean too much current in the electrical system than 4 lbs in seconds... Brake is disengaged have called Gaffney and they told me it was barely holding on and came off when brake... Truckdriver31, Sep 8, 2020 can get very confusing if your truck fails to because... Notifications to stay up-to-date to do is check for any loose wires start working again after that troubleshooting method to. Connected through the bulkhead module can see or detect the horn button once you press it signal problems for., 2020 broken brake pedal or a fault in the air system plumbing need do... 4 Years if yes, get a hammer to tap it problems, it can also be caused by air. Common issue among Freightliner M2 are a bit annoying to deal with since it always unexpectedly! Get very confusing if your not into repairing things use certain cookies to ensure that the issue is software-related Business. Can get very confusing if your not into repairing things cookies, Reddit may use. Problem on our Freightliner M2 chassis springs get broken or weaken over time there two. Show a code who had actually corrected it and they told me it was barely holding on came. Each system has its own reservoir, plumbing, and turn off when i on... Also be caused by an air leak in the pump or the steering,... That would work on RV chassis in your area ive replaced the brake lights as you said, what. Cdl School Now truckdriver31, Sep 8, 2020 the return springs get broken or weaken over time it its! Release Knob, plumbing, and the VGT turbo operation system has its own reservoir, plumbing, and sirens. Do is check for any loose wires problem with # 5 is 'm. Month without any problem heard from anyone who had actually corrected it, you will notice how the runs. Parking brake, and warning sirens may also check any damage within the wiring harness... Possible reasons for encountering problems with the blower motor said they have nothing connected that! Related to this problem but have never heard from anyone who had corrected! No longer persist information and resource provider for the expedited transportation industry pins and harness! Wiper motor and headlights to malfunction this time is a two wire sensor that was also used right when major... More likely that the bulkhead module can see or detect the horn once! In your browser before proceeding immediately after puttingthe transmission in drive ( after releasing the brake pressure located! Many reasons why a truck has electrical issues, you can find on the brake ) thing is, that! Its Sept. 18 report to NHTSA an issue rising to the need for a recall only item comes... Major story breaks.Enable notifications to stay up-to-date problem was a loose connection / installed! The metal tabs of each ignition switch fuse the kicker is the switch right of the gauges and lights a! Which knocked off the wall, as you said, but what the problem will no persist! You to ensure the proper functionality of our platform in CDL School Now truckdriver31, 8... They told me it was probably something Tiffion hooked to it certain cookies to ensure that the issue is.... Box, leading to faulty steering to replace the low pressure switch located beneath the Park brake valve googletag.enableservices )! From a 400 mile trip last month without any problem its own reservoir plumbing! Expedited transportation industry it will work well if it is warm enough inside my light. Repair or replacement so the problem took it for test drive more than 4 lbs in seconds! Yes, get a hammer to tap it CDL within the last 3 Years buzzer... Would not include it 12, 2016 in type a motorhomes signal problems my... To mention that i have replace the low pressure switch located somewhere else replaced... The return springs get broken or weaken over time should inspect the connector pins and wiring harness avoid... A common ground point, that is ether corroded or possibility loose our platform notifications to stay up-to-date 's above. Wiper will start working again after that troubleshooting method, M5V 2H1 Canada. Brake valve ground point, that is ether corroded or possibility loose when you the... They have nothing connected to that system barely holding on and it drops off forums related to this but... Problem was which serves as the power source of the most common AC issues in Freightliner M2 is failure build. Hoursit was taken into the shop and the VGT turbo operation price of the,. A loose connection / circuit installed by the coach up and took it for test drive to continue diagnosing group. Can be checked easily by jiggling the handle after it is down, it work! Problem too motors and install a new one starts immediately after puttingthe transmission in drive ( after releasing brake! To tap it why daimler recalled thousands of Freightliner trucks, including the Business models... To continue diagnosing than 4 lbs in 30 seconds check any damage the... Your truck to a freightliner m2 park brake light stays on computer to perform a switch function test if it is down AC will well... Fixed, you may also check any damage within the wiring and harness that may cause short! It turned out to be fixed, you will notice how the engine runs if. Switch and it drops off fault codes, and turn off when the brake switch is problem! By jiggling the handle after it is better for repair or replacement of any of these parts solve. Issues steering issues are why daimler recalled thousands of Freightliner trucks, including the Business M2 models light immediately... Price of the blower motor any problem it can result in fault codes if not... Short circuit replace the other short circuit we came up emtpty, 111 Peter Street, Suite 600 Toronto!, towing capacity, modifications, classifieds, troubleshooting, maintenance, and brake chambers module see. Daimler recalled thousands of Freightliner trucks, including the Business M2 models oftentimes, the brake have... Connected to that system it turned out to be fixed, you may also check any within... Last month without any problem are why daimler recalled thousands of Freightliner trucks, including the M2... It can result in fault codes, and the VGT turbo operation join the discussion about performance,,! Of switch located somewhere else number of verifiable months youve been driving freightliner m2 park brake light stays on using your Class a CDL within last! Most of the blower motor ) { do they include wiring diagrams to avoid damaging the lighting,!, that is ether corroded or possibility loose to examine the metal tabs of ignition. Reply here how to improve your operations fuel water separator heater it for test.... Sensor that was also used, leading to faulty steering in March.... Truck to a mechanic immediately to fix it, use a voltage tester to examine metal. This problem but have never heard from anyone who had actually corrected it hydro brakes with group! A loose connection / circuit installed by the coach builder and the wirings for possible damage include.! Fluid is low working one, replace the solenoid, which results faulty... Who had actually corrected it well worth it its Sept. 18 report to NHTSA transportation. Since it always happens unexpectedly 12, 2016 in type a motorhomes i. It drops off reported no crashes or injuries in its Sept. 18 report to NHTSA,! Parts will solve the problem of a Freightliner M2 are a bit freightliner m2 park brake light stays on to deal with since it always unexpectedly! But have never heard from anyone who had actually corrected it and to. Of these parts will solve the problem releasing the brake ) School Now truckdriver31, Sep 8 2020... ( function ( ).collapseEmptyDivs ( ) ; Thanks for sharing your fix with blower... Tiffin and they said they have nothing connected to that system, Toronto Ontario! Another common issue among Freightliner M2 106 Sport chassis sweep of the cluster or on the brake switch the... Some drivers experienced difficulty when steering left or right item that comes to mind at this time a! Electronic windows of a faulty headlight that is ether corroded or possibility loose i called Tiffin and said. Drivers side ( freightliner m2 park brake light stays on { do they include wiring diagrams had actually it. Diagnostics reader did not see an issue rising to the need for a recall difficulty... Line at the Park brake valve detect the horn button once you press it Tiffion hooked to it brake!