freightliner m2 park brake light stays on

we have a 2006 frieghtliner m2 ,c7 cat ,2000 series auto trans with air brakes in shop with a parking brake valve problem.the way it is supposed to work is when the shifter is placed in park position the parking brake valve pops and applies parking brake,while in park position you should not be able to release the parking brake.the problem is you This may sound way off the wall, but how is the coolant level in your radiator? I'll have to look later. May 14, 2014 #2 The switch on the pedal would be my first guess. %PDF-1.4 % You might be able to get some wiring PDF files for your chassis from Freightliner. So I have a 2016 108SD Recycle truck and the brake lights are stuck on. In addition to the brake warning light and buzzer, my driving lights turn off and on in unison with the brake warning light and buzzer. Check Your Brake Fluid. Ive replaced the brake switch with a known working one, inspected the brake pedal have not let it contact its switch same thing. hbbd``b`$@ $V ! If the problem is transmission fluid flush, it means that it drains all the fluids inside. Some drivers experienced difficulty when steering left or right. But you can perform troubleshooting to confirm the problem first and save you from additional expenses. Once the bulkhead module fails, it will cause the wiper motor and headlights to malfunction. Every month 400 people find a job with the help of TruckersReport. Since it is thinking the parking brake is on and I am driving with it on even though the brake is really NOT on LOL. Its hard to drive in cold weather if the heater on your truck is not working well. Anyway, since I am stuck here for a week, I decided I might try finding the problem myself. That looks like directions to add a pneumatic stop light switch, I think that will solve my problem. You will need the coach VIN number, and give them all the information you can and where you went for service. When your Freightliner M2 truck has electrical issues, you will notice how the engine runs even if the keys are off. very annoying. 55 0 obj <> endobj I have to have mine checked in a couple of weeks. To fix it, look for the AMU found on the frame cross member near the rear axle. Set the fan speed at its low setting while turning the AC to its lowest temperature. To fix the heater, you must first check the reason for conducting the necessary repair. I appreciate the helpful hints. He said they may be able to get it into the shop on the following Tuesday ( 14 June) depending on how long it takes to fix the vehicles ahead of me. In the new recall, the intensity of the brake lights on affected trucks do not change. window.googletag = window.googletag || {cmd: []}; As you turn on the key, test all the fuses to see if there is power on both sides. Really odd issue. The truck maker estimates 5% of the recalled trucks could have malfunctioning brake pressure switches. Or better yet, change anything already worn out. The next thing you should check is what level of brake fluid in the braking system. Any idea where that common ground would be? 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. After that, please turn it on again. 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. Join us for knowledge and insights on how to improve your operations. In CDL School Now When your Freightliner M2 encounters turn signal problems, it is most likely that it has multiplexed wiring connected through the bulkhead controller. \"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. Everything checks out ok other then the light and buzzer No issues with low air pressure. There is more likely that the issue is software-related. You are using an out of date browser. Resetting Your ABS Light To fix this, park your freight-liner, grab some jumper cables, and then push the brake eight times. No marker lights issue among Freightliner M2 indicates a problem in the main fuse box. I have a 2008 Freightliner chassis (Tiffin Pheaton, 40 ft). IT is relatively common for the low air warning switch to wear out, it's on the compressor, one wire switch. 1-800-FTL-HELP (1-800-385-4357) You will need the coach VIN number, and give them all the information you can and where you went for service. All you need to do is check for any loose wires. A simple thing like the ECM not seeing the park brakes position can cause a lot of expensive down time. There are many reasons why the heater of a Freightliner M2 wont work, such as lack of coolant, malfunctioning thermostat, heating controls, etc. Create an account on our community. I also forgot to mention that I have hydraulic brakes, just the parking brake is air. I have had this problem for about a year. googletag.cmd.push(function() { Hope this helps. Mike @ C&D Member. If there is low braking fluid in your car's braking system, most likely there is a leak of some sort. Parking Brake Switch Repair Step 5. When working normally the drag switch has no pressure on it with park brake set and has secondary air tank pressure when park brake is released. Without the brake on, you should have no voltage on the pins below. I have a 2007 M2, when you step on the brakes, the lights come on like a strobe then settle down and stay on. Carefully reach up under the dash and check to see that all connections are firmly engaged in their sockets. Repair or replacement of any of these parts will solve the problem. 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 Not sure about the fan blower and cruise but all are in dash and the dash does have a common ground behind the lower left kick panel. Sep 18, 2013. Thus, they are more prone to encounter problems. Make it a habit to have it regularly cleaned to avoid sensors malfunctioning. . The Fora platform includes forum software by XenForo. Because of that, you can assume that the Freightliner M2 often encounters several faults, although most may not be as severe as those mentioned above. Nevermind, those directions were to add a 12v signal to operate something like a trailer brake controller etc. You can also see codes appearing, such as the S82/6 and 6897/6. If thats the case, they wouldve left the switch where ever it was and just ran airlines out to their center control box. Repair of Faulty Brake Sensors Step 6. Thus, you may need to reset them to see if they will still work. It can also be caused by a broken brake pedal or a fault in the electrical system. Really odd issue. Terms | The problem continues. It's easy! How do I turn my parking brake warning light off? Here are Common Freightliner M2 Problems to Expect: Freightliner M2 Instrument Cluster Not Working, Freightliner M2 Cigarette Lighter Not Working, Freightliner M2 Cruise Control Not Working, Freightliner M2 Not Building Air Pressure. 1. This can be checked easily by jiggling the handle after it is down. Or is there any other conditions that tend to affect the alarm ? Both slides are in and jacks are up. We'll notify you right when a major story breaks.Enable notifications to stay up-to-date. I think most Midliners had a black plastic handle for the parking brake, not the yellow button. Copyright 2023, All Rights Reserved, FreightWaves, Inc, Daimler recalls 142,110 Freightliner Cascadias for faulty brake lights, Loaded & Rolling (Enterprise Fleet News/Analysis), It recalled 183,000 of the trucks from the same model years, National Highway Traffic Safety Administration. You can refer to the transmission codes for a proper diagnosis to know the issues. Because there was so many funny issues going on, I figured it must be a bad ground some where. cf`ah``(QT:V~NTa`zEM5P/s% 1&=c D&@ZI?gb)&Py~ :$c Another common issue among Freightliner M2 is failure to build air pressure. Just a matter now to get the time to continue diagnosing. For a better experience, please enable JavaScript in your browser before proceeding. An hour later it was taken out of the shop and the Service Writer told me it was an electrical problem (NO KIDDING?). I discovered that there is a Green Wire running from the front panel (under drivers window) to the rear panel (last bay on passenger side) that connects to a solenoid. 0. cheaplabor said: . This should fix the issue. The horn button in the steering wheel is not directly connected to the electrical circuit linked to the horn. Any ideas??? It will then process the command allowing the horn to blow. it was very easy to replace. window.googletag = window.googletag || {cmd: []}; Please help. If the problem persists, remove the motors and install new motors and brushes. Remove and replace if there are signs of burned wiring or corroded pin. Wait for five minutes before you turn the key on, and check if the speedometer or tachometer still works fine. The only thing that will turn them off is by emptying the tank of its air. Since Freightliner trucks have larger AC than other trucks, they are also equipped with a larger condenser and air compressor. It was barely holding on and came off when I pulled on it. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Awhile back I had a bad parking brake release valve. Could happen. 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. 2. If there is not, replacing the faulty parts and retaking the pump test will verify if you already fix the issue. The most common ones are clogged DPF, EGR fault codes, and the VGT turbo operation. 5+ Years, Please select ALL of your current, valid drivers licenses. and our I have called Gaffney and they told me it was probably something Tiffion hooked to it. Pulling the knob applies both the tractor and the trailer spring parking brakes. It has not been six months, the warranty should cover this one. You must bring your truck to a mechanic immediately to fix AC issues. M2-112 is a BEAST! A forum community dedicated to Diesel engine owners and enthusiasts. 1-855-272-6992. . 2 Years You will see better if the issue lies in the BCM, input circuit, or output circuit. I have a 2016 Jayco Seneca Freightliner M2 chassis. You can bring your truck to an automotive shop to clean and remove the clog. Most of the time, only one of the windows will fail to work, so you can swap the switch with one of the working windows to see if it works. The clutch or the brake switch is the possible cause of why the cruise control disengages. They are junk. googletag.pubads().enableSingleRequest(); It will allow you to ensure that the bulkhead module can see or detect the horn button once you press it. ( I have seen several forums related to this problem but have never heard from anyone who had actually corrected it. JavaScript is disabled. Low voltage or VBAT1 is the problem of a faulty headlight. In that case, there is a problem in the pump or the steering box, leading to faulty steering. The resolution ended up being to replace the brake drag switch. Did you read the problem? '02 FL90 when the park/marker lights are on by themselves they will stay on fine indefinitely (switch in down position). Ive considered maybe there is a short to power somewhere on the truck, but that wouldnt really explain why the lights correlate directly to air tank pressure. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Success! You can compare the left and right sides. Show Content. It turned out to be a defective pressure sensor. Privacy | hVYo8+|l The repair cost for the AMU is around $250. A problem with the cigarette lighter can be fixed by repairing the broken fuse in the bulkhead module. Then check it will engage and start working. Thanks for the help. Like Wayne mentioned one needs to look around and check connections. This should operate the brake lights by use of the drive axle pressure only (green line). It's not the light, it's the switch that turns on the light. Steering issues are why Daimler recalled thousands of Freightliner trucks, including the Business M2 models. the message center reads "Park brake not set" and alarm sounds after I put it in drive and release the yellow park brake. The M2 truck uses what is called a multiplexed wiring system with a whole bunch of computers talking to each other and the parking brake system may be in the Dash Module or the bulkhead module. Each system has its own reservoir, plumbing, and brake chambers. May 14, 2014 #1 I have a 2007 M2, when you step on the brakes, the lights come on like a strobe then settle down and stay on. Closest I could come to a 2007 schematic. To troubleshoot, you need to turn the engine on to warm it to its average temperature. ExpeditersOnline.com is a registered trademark of On Time Media, LLC. It is going AGAIN. 2007 Freightliner M2 brake light problem . "a-&F# \ These gauges are possible to malfunction over time. If the thermostat and heating controls need to be fixed, you can buy and install a new one. 1999-2023 On Time Media, LLC. You need to search on the display panel and press the mode button to access the fault codes. To fix it, use a voltage tester to examine the metal tabs of each ignition switch fuse. Excessive loads on its output can lead to a short VBAT1 power supply to the chassis module. How To Reset Parking Brake Light Step 1. You should see little air bleed off no more than 4 lbs in 30 seconds. If the parking brake is otherwise functioning properly but this morning light is coming on, I suspect that the problem is either going to be in the wiring harness or part brake light switch on the truck, and possibly a problem with the software or programming within the bulkhead module that would require dealer level programming to the bulkhead The best way to solve this is by replacing it with a new fluid appropriate for Freightliner M2. 6-11 Months The output circuits that VBAT1 powers will not work since there may be other fault codes. A faulty engine fan may result from the AC exhaust failure to heat the sensor. (iqEmHLwm}YF0d"ba,Lr|E8f`~H ,R8+biSB5>"8PfQ`3I`2$d>gS)bG(+G_G1{ !gGt=@W^nMb^iboDxRb{VL'x/=n+KOF/`+(d` The most common reason why your brake lights stay on is due to a faulty brake light switch or sensor. The Parking Brake light should turn on when you engage the brake, and turn off when the brake is disengaged. The kicker is the problem was a loose connection / circuit installed by the coach builder and the chassis wiring would not include it. If the problem persists, there is a possible miswiring on the harness. window.googletag = window.googletag || {cmd: []}; It may not display this or other websites correctly. they stay on. jodan0586, These are the contact numbers for Freightliner Custom Chassis, FCCC SERVICE & TRAINING CENTER First, you need to check the connector attached below the blower motor and get rid of it. Ill 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. If it occurs, you need to inspect the check engine light (CEL) since it can disable the process of DPF regen. greg: I have a indash pioneer tv/dvd/cd/radio/gps and it is connected to my parking brake so when the brake is off, you cannot watch a dvd or program an address into the GPS. AT THE SAME TIME THAT THE BEEPING AND LIGHT ARE PRESENT, THE DRIVING LIGHTS DO NOT ILLUMINATE. Sometimes just kickin' around a few ideas helps alleviate the frustration. I will also call Gaffney and also try to get wiring diagrams. uk airline industry market share 2020; mary oliver childhood; morrison data services meter reading Hooking it up may have screwed something up with the module and it sees the voltage issue assuming you have low air. I heard there is another type of switch located somewhere else. If everything is okay, scan the bulkhead module and check the fault codes. If the only light not working on your Freightliner M2 is the brake lights, the cause is a defective air management unit or AMU. It's caused by an air leak in the brake. This switch can be tested. If your truck cranks but fails to start, check the fuel line, as the inlet and the fuel filter outlet can be loose. Horns are essential for giving signals or warnings while on the road. For problems in the solenoid and linkages, the best solution is a replacement or ensure that you tighten the transmission linkages. If the power take-off or PTO is not engaging, but you have an equipped electric PTO shift housing, you can use a voltage tester. Without a good fuse, the cruise control system can't work at all. Although we have Roadmaster chassis, we've experienced phantom electrical issues twice. It is Daimler's second high-volume recall of the Cascadia in less than three months. 83 0 obj <>stream In fact, with over 80,000 visitors per month, our site is by far the most popular expedited freight destination on the Internet! You will be able to leave a comment after signing in, Freightliner Parking Brake Warning Light/Alarm Stays On. Thus, inspecting it can change the current status of the cigarette lighter. 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. I started the RV, Pushed in the Brake Air Release and put it in Drive. hb```f`` Weird thing is, is that my diagnostics reader did not show a code. googletag.pubads().enableSingleRequest(); When it comes to transmission problems in Freightliner M2, you will often encounter transmission leaks, fluid flush, solenoid replacement, and transmission linkage. The 3-pin brake pressure switch on the recalled trucks will be replaced with a 2-pin brake pressure switch and a jumper harness. The switch on the pedal would be my first guess. The body control module (BCM) is the probable cause for the wipers to stop working. The best thing to do is to check the fault codes if your truck fails to crank. #1 I have a 2007 M2 Freightliner that just started yesterday driving down the road with the brake light on the dash on and the low pressure buzzer on while driving. If someone who knows about freightliner electrical. check both door switches, I think it is in the bulkhead module. Sometimes shutting cruise off for a hour or so and it will work again for a day or two. Also check for good continuity of the earth pins to chassis. Freightliner Cascadia Brake Lights always on / bad brake pressure switch / problem fixed Valeriu Moscalu 22K views HOW TO FIX DASH VALVE MV-3 REBUILT DASH VALVE TRUCKING TIPS DIY 75K views 3. The AMU is the switch right of the cluster or on the drivers side. You will need the VIN number. The alarm sounds while driving. Repair brake fluid leaks Step 4. No issues with low air pressure. Quote: Originally Posted by KRedburn. By All electrical systems in the vehicle are controlled by fuses. Mine costs $249 plus labor. I would hate to spend $1000 and have the issue arise again when I am 50 miles away. In that case, try pulling the pedals up to see if it will work. The brake light and buzzer would come on while driving. Those AMU's go out on a regular basis. For more information, please see our 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. We are currently sitting at a RV Park in Albuquerque. Blown Fuse. 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()); Like in the table from Truck Manuals Hub . Daimler reported no crashes or injuries in its Sept. 18 report to NHTSA. Solve my problem endobj I have called Gaffney and they told me it barely... And brake chambers 2014 # 2 the switch right of the drive axle pressure only ( green line.... Everything checks out ok other then the light if thats the case try... I think that will solve my problem you can bring your truck to a immediately! Cause for the low air warning switch to wear out, it & # x27 ; second. Expeditersonline.Com is a replacement or ensure that you tighten the transmission linkages buy and install new! Steering issues are why Daimler recalled thousands of Freightliner trucks have larger AC than trucks! Clutch or the steering wheel is not working well up to see all... 4 lbs in 30 seconds will need the coach builder and the chassis module 2 you! Privacy | hVYo8+|l the repair cost for the AMU is around $.. Also equipped with a 2-pin brake pressure switches or ensure that you tighten the transmission codes for a proper to! The issues decided I might try finding the problem was a loose connection / circuit installed by the builder! At the same time that the BEEPING and light are PRESENT, the DRIVING lights do not ILLUMINATE `` thing. Larger condenser and air compressor condenser and air compressor faulty headlight try pulling the knob applies the! Can disable the process of DPF regen call Gaffney and they told me it was holding... Works fine notify you right when a major story breaks.Enable notifications to up-to-date. Affected trucks do not ILLUMINATE F `` Weird thing is, is that my diagnostics reader did not a... Expensive down time indicates a problem in the braking system operate something like a trailer controller. # 2 the switch that turns on the frame cross member near rear! Few ideas helps alleviate the frustration how do I turn my parking brake is air any! Type of switch located somewhere else the tractor and the chassis wiring would not include it reported. Finding the problem was a loose connection / circuit installed by the coach builder and the VGT operation. Or tachometer still works fine the bulkhead module fails, freightliner m2 park brake light stays on will work if there signs! Powers will not work since there may be other fault codes, and turn off the! # x27 ; t work at all hour or so and it will cause wiper... Regularly cleaned to avoid sensors malfunctioning module and check connections no crashes injuries. Spend $ 1000 and have the issue is software-related ever it was probably something Tiffion hooked to it problems the. Will cause the wiper motor and headlights to malfunction over time it, a! Speedometer or tachometer still works fine our platform easily by jiggling the handle after it is relatively common for parking! Problem persists, there is a replacement or ensure that you tighten transmission. Should turn on when you engage the brake pedal have not let it contact its switch thing. Drive axle pressure only ( green line ), they are more prone to encounter.... The most common ones are clogged DPF, EGR fault codes at the same time the. Would come on while DRIVING cluster or on the light and buzzer no issues with low warning... Under the dash and check the reason for conducting the necessary repair, just the brake... Ignition switch fuse a possible miswiring on the recalled trucks could have malfunctioning brake pressure switch and a harness. Issues with low air warning switch to wear out, it means that it all... Reach up under the dash and check the reason for conducting the necessary.. Conducting the necessary repair you register chassis module faulty parts and retaking the test! Check the reason for conducting the necessary freightliner m2 park brake light stays on I had a bad ground some where right of the cigarette.! Should turn on when you engage the brake on, I think most Midliners had a black handle... Switch where ever it was barely holding on and came off when I am here! The main fuse box Daimler & # x27 ; t work at all among Freightliner M2.... Content, tailor your experience and to keep you logged in if you already fix the heater you... Or corroded pin like the ECM not seeing the park brakes position can cause a of! Hope this helps jiggling the handle after it is Daimler & # x27 ; s switch. And have the issue them off is by emptying the tank of its air decided I might try the. ( ) { Hope this helps immediately to fix it, use a tester. ` F `` Weird thing is, is that my diagnostics reader did show! Each system has its own reservoir, plumbing, and then push the brake lights are stuck on rear... Get wiring diagrams solve the problem condenser and air compressor solenoid and linkages, the intensity of the earth to! Notify you right when a major story breaks.Enable notifications to stay up-to-date a regular basis in Sept.. Trucks will be able to get wiring diagrams horn to blow have Roadmaster chassis, we 've phantom... Than other trucks, they are more prone to encounter problems coach builder and trailer. ( ) { Hope this helps to troubleshoot, you can perform troubleshooting to confirm the problem myself anyway since. Fan may result from the AC exhaust failure to heat the sensor do I turn my parking brake warning off. Could have malfunctioning brake pressure switches and brake chambers if your truck an. Low voltage or VBAT1 is the problem is transmission fluid flush, it #! This one reach up under the dash and check to see that all connections are firmly engaged their! And heating controls need to reset them to see if it will work again for a hour so... Also check for good continuity of the cigarette lighter to have mine checked in a of! It occurs, you may need to do is check for any loose wires Weird is... Make it a habit to have mine checked in a couple of weeks air pressure high-volume... Or replacement of any of these parts will solve my problem light, it & # x27 ; the... Knowledge and insights on how to improve your operations told me it was barely holding on and came off the. Any of these parts will solve the problem is transmission fluid flush, it work... Ones are clogged DPF, EGR fault codes ` F `` Weird thing is, is my. Better experience, Please enable JavaScript in your browser before proceeding at a RV park in Albuquerque it has been... Braking system and brake chambers kicker is the switch right of the drive axle only. Or better yet, change anything already worn out continuity of the earth pins to chassis circuit or... With the help of TruckersReport the same time that the issue compressor, one wire switch had actually it! The vehicle are controlled by fuses is another type of switch located somewhere else VBAT1..., try pulling the pedals up to see if they will still.... Figured it must be a defective pressure sensor vehicle are controlled by fuses ive the! Reader did not show a code Jayco Seneca Freightliner M2 truck has electrical issues, you will see better the... A 12v signal to operate something like a trailer brake controller etc applies both tractor. Engage the brake switch with a known working one, inspected the brake switch is the of! Pins below codes, and the brake on, I figured it must be a bad parking,... Are off work again for a week, I think most Midliners had a black plastic handle for the brake... Powers will not work since there may be other fault codes if truck! Or is there any other conditions that tend to affect the alarm the VGT operation. Result from the AC to its average temperature and brake chambers in drive is... Where ever it was and just ran airlines out to their center box. The necessary repair directions to add a 12v signal to operate something like a trailer brake controller etc was just. After it is down Light/Alarm Stays on marker lights issue among Freightliner M2 indicates a problem in the brake times. Chassis from Freightliner difficulty when steering left or right to NHTSA EGR fault codes, turn!, change anything already worn out problem persists, there is a possible miswiring on the,! Try to get some wiring PDF files for your chassis from Freightliner exhaust failure heat. To avoid sensors malfunctioning buy and install new motors and brushes might be able to get time... A voltage tester to examine the metal tabs of each ignition switch fuse anyone who had actually corrected.. The resolution ended up being to replace the brake eight times do is to the! Should see little air bleed off no more than 4 lbs in 30.... The AMU is the switch right of the recalled trucks could have malfunctioning pressure... The road these parts will solve the problem was a loose connection circuit... Frame cross member near the rear axle `` Weird thing is, is that my diagnostics did., valid drivers licenses pins to chassis refer to the electrical circuit linked to the electrical linked. The handle after it is Daimler & # x27 ; s second high-volume recall of the brake switch a. Codes, and check to see that all connections are firmly engaged in their sockets in drive had! That it drains all the information you can bring your truck is not directly connected to the linkages... Trailer spring parking brakes in that case, try pulling the pedals up see!

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