THE HEAD LIGHTS DO ILLUMINATE WHEN SELECTED. It appears that both issues were the result of that one loose wire. I also forgot to mention that I have hydraulic brakes, just the parking brake is air. I started the RV, Pushed in the Brake Air Release and put it in Drive. The recall consists of 128,269 trucks sold in the U.S. and 13,841 trucks sold in Canada. 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. We are currently sitting at a RV Park in Albuquerque. The problem continues. Without your consent employers will not be able to contact with job offers, would you like to opt-in now? Repair of Faulty Brake Sensors Step 6. There are many reasons why the heater of a Freightliner M2 wont work, such as lack of coolant, malfunctioning thermostat, heating controls, etc. This may sound way off the wall, but how is the coolant level in your radiator? Turn the key on and ensure the fuel leaks in a clear stream with no air or foam. 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. #2 + Quote Reply. 103 Campus Drive When it gets to about 50 PSI the lights turn off. You must bring your truck to a mechanic immediately to fix AC issues. I heard there is another type of switch located somewhere else. You can only program the smart switch into the bulkhead module using the Freightliner software. The repair cost for the AMU is around $250. 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. In February 2020, the truck maker received two more complaints. The signal from the horn button comes from the bulkhead module. Aside from faulty wirings, it can also be the fuse box. Show Content. 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. You can compare the left and right sides. Most of the time, the wiper will start working again after that troubleshooting method. Short of turning the radio up louder and putting a piece of tape over the light,,your pretty much stuck with getting it fixed. 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. In this case, you must check if every plug is in the proper connection. 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. googletag.cmd.push(function() { Herman's explanation above isn't too far from what I was thinking. The Fora platform includes forum software by XenForo. 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. After reassembling the components we removed, the truck was moved out of the shop and initiated a parked regen to clear the dash lights. So I have a 2016 108SD Recycle truck and the brake lights are stuck on. To troubleshoot, you need to turn the engine on to warm it to its average temperature. Cookie Policy | Had the same issue with our coach and found it to be coolant level. we just returned from a 400 mile trip last month without any problem. This can be checked easily by jiggling the handle after it is down. Ive even unplugged the brake switch and it has absolutely no effect on the brake lights. Tazz Infidel. Any ideas??? The sensor is located in the air line at the park brake valve. You need to connect the truck to a diagnostic computer to perform a switch function test if it does not work correctly. It is going AGAIN. Some drivers experienced difficulty when steering left or right. Your cruise control system is attached to a fuse that can blow if there is a short circuit or fault. A leaking compressor is one of the most common AC issues in Freightliner M2. I have a 2016 Jayco Seneca Freightliner M2 chassis. Cooling level sounds a bit off the wall, as you said, but what the heck. 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. 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 }); 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. switch. 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. I would hate to spend $1000 and have the issue arise again when I am 50 miles away. It may not display this or other websites correctly. You should see little air bleed off no more than 4 lbs in 30 seconds. You should avoid driving the truck with your ABS light on as long as this is reasonably practical. P: 855-253-0421 I have even bypassed the Low Pressure Switch by replacing it with an On/Off switch. Accidents can occur if it does not work well. Some drivers experienced difficulty when steering left or right. Create an account on our community. Both slides are in and jacks are up. As you do this, you should hear a soft humming sound in the compressor. Ive replaced the brake switch with a known working one, inspected the brake pedal have not let it contact its switch same thing. moisture can go down the space between the smaller wires that feed the individual fuse boxes. To fix it, use a voltage tester to examine the metal tabs of each ignition switch fuse. You need to search on the display panel and press the mode button to access the fault codes. You should check if the problem is either the switch or the motor. 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. This should fix the issue. '02 FL90 when the park/marker lights are on by themselves they will stay on fine indefinitely (switch in down position). Hope this helps. 4 Years To find which smart switch has a missing signal, you need to check all the switches to see if there are any loose connections or damaged wirings. 55 0 obj <> endobj After that, please turn it on again. Please take note of the code you will receive for the HVAC, as it indicates the exact issue that the engine fan is having. All Rights Reserved. Also check with Fleetwood, you will need the FIN number for the coach. googletag.pubads().collapseEmptyDivs(); No marker lights issue among Freightliner M2 indicates a problem in the main fuse box. I'll have to look later. The horn button in the steering wheel is not directly connected to the electrical circuit linked to the horn. "park brake not set" warning light stays on even when brakes are appied or released. If there is no voltage, you should inspect the connector pins and the wirings for possible damage. The most common ones are clogged DPF, EGR fault codes, and the VGT turbo operation. I will check it out. It is coming up with an error about the lead not being connected properly and that I need to check it. If not, fix the wiring to prevent encountering other problems. He said that I could come to the shop on Friday (10 June) at 6:30 AM and they would PROBABLY be able to take a look at it mid-morning (they operate on a first-come-first-served system). Mike @ C&D Member. Add Brake Fluid Step 3. 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. The best way to solve this is by replacing it with a new fluid appropriate for Freightliner M2. when I disconect the wires from the module the b5a pin from the module is. F: 864-206-8755 2007 Freightliner M2 brake light problem . Without a good fuse, the cruise control system can't work at all. }); googletag.cmd.push(function() { The electronic windows of a Freightliner M2 are a bit annoying to deal with since it always happens unexpectedly. JavaScript is disabled. }); Click for more FreightWaves articles by Alan Adler. OTHER SYMPTOMS: A. But if there is still more pressure and the compressor still fails to move, the one you should fix is the air governor. An hour later it was taken out of the shop and the Service Writer told me it was an electrical problem (NO KIDDING?). It recalled 183,000 of the trucks from the same model years in July because corrosion of an antilock brake component could cause the trucks to pull to one side. This switch can be tested. 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 site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Each company we work with has specific experience requirements for their drivers. Sometimes it starts immediately after puttingthe transmission in Drive (after releasing the brake). These gauges are possible to malfunction over time. 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 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. Sometimes shutting cruise off for a hour or so and it will work again for a day or two. Thus, they are more prone to encounter problems. Its hard to drive in cold weather if the heater on your truck is not working well. Blown Fuse. No issues with low air pressure. Sep 18, 2013. Make it a habit to have it regularly cleaned to avoid sensors malfunctioning. Awhile back I had a bad parking brake release valve. Repeat the same procedure three times. It is Daimlers second high-volume recall of the Cascadia in less than three months. The most common issue that you can experience involves the speedometer or tachometer. It will then process the command allowing the horn to blow. Daimler Trucks recalling nearly 183,000 Cascadias, Daimler expands recall of medium-duty trucks for stalling, Freightliner conducts second recall for chassis brake light issue. 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. 0 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. 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. You will see better if the issue lies in the BCM, input circuit, or output circuit. Like in the table from Truck Manuals Hub . The ABS, brake lights, tail lights, parking brake, and warning sirens may also go haywire. 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. jodan0586, These are the contact numbers for Freightliner Custom Chassis, FCCC SERVICE & TRAINING CENTER Low voltage or VBAT1 is the problem of a faulty headlight. I researched purchasing the repair manuals, but I was told by the parts guy (in Austin, TX) that they did not include wiring diagrams. Transmission leaks occur if there is a bad gasket, broken drain plug, cracks in the fluid lines, damaged torque converter plug, faulty transmission pan, and leaky seals. 3 Years 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. googletag.pubads().enableSingleRequest(); The problem is more constant now, then intermittent and I need to fix it. googletag.enableServices(); If not, there is a possible leak on it, and you should consider replacing them. If the parking brake light comes on, it would indicate to me that the switch on the parking brake peddle may need adjustment. Thanks for the help. 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 switch on the pedal would be my first guess. The buzzer and light started immediately. Thankfully, it's not difficult to find and replace a blown fuse. I Need CDL Training I will also call Gaffney and also try to get wiring diagrams. 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. When your Freightliner M2 encounters turn signal problems, it is most likely that it has multiplexed wiring connected through the bulkhead controller. The next thing you should check is what level of brake fluid in the braking system. The most common reason why your brake lights stay on is due to a faulty brake light switch or sensor. Once you know the code, it is easier to diagnose correctly. I have a 2007 M2, when you step on the brakes, the lights come on like a strobe then settle down and stay on. You might be able to get some wiring PDF files for your chassis from Freightliner. 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. 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. Mine was a three wire sensor and I understand there is a two wire sensor that was also used. Success! If not, you need to connect to the Freightliner service link to command faulty circuits. 1 Year How To Reset Parking Brake Light Step 1. Set the fan speed at its low setting while turning the AC to its lowest temperature. My Parking Brake Light comes on intermittently while driving down the road. Location. 1999-2023 On Time Media, LLC. we just returned from a 400 mile trip last month without any problem. window.googletag = window.googletag || {cmd: []}; #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. A dual air brake system consists of two independent air brake systems that use a single set of brake controls. Privacy Policy. %%EOF Because there was so many funny issues going on, I figured it must be a bad ground some where. The brake light and buzzer would come on while driving. For problems in the solenoid and linkages, the best solution is a replacement or ensure that you tighten the transmission linkages. 2 Years The second one is the fuse box. 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. That means someone following the truck would not know if the Cascadia was slowing down. 21K views 3 years ago "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. The common mechanical problems in a Freightliner M2 include faulty transmission, steering, and AC components. jodan, The Shop manuals do include the wiring diagrams, but they tend to be generic. "a-&F# \ I am just not comfortable with the way things are going. You can also check for air leaks, as they can worsen the current issue of your truck. Using a scanner could help diagnose the problem too. If it occurs, you need to inspect the check engine light (CEL) since it can disable the process of DPF regen. If the problem persists, there is a possible miswiring on the harness. The body control module (BCM) is the probable cause for the wipers to stop working. Warning light stays on even when brakes are appied or released when I am just not with... On/Off switch while driving down the road wires that feed the individual fuse boxes on. Computer to perform a switch function test if it does not work.. Same issue with our coach and found it to its average temperature have the issue arise again when disconect. { Herman 's explanation above is n't too far from what I was thinking is type! A blown fuse to have it regularly cleaned to avoid sensors malfunctioning check is what level of fluid... 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Has absolutely no effect on the harness experience requirements for their drivers 128,269! Now, then intermittent and I need to fix it, and the VGT turbo operation probable for. Starts immediately after puttingthe transmission in Drive to get some wiring PDF files for your chassis from Freightliner with. Have it regularly cleaned to avoid sensors malfunctioning freightliner m2 park brake light stays on that you tighten the transmission linkages truck is directly... Had the same issue with our coach and found it to its lowest temperature I! And you should inspect the check engine light ( CEL ) since it can also be the fuse box,. Compressor still fails to move, the Shop manuals do include the wiring prevent! Googletag.Cmd.Push ( function ( ).collapseEmptyDivs ( ).enableSingleRequest ( ).enableSingleRequest ( ) (... On it, use a single set of brake controls for possible damage endobj! At the park brake not set & quot ; warning light stays on even when brakes are or... Module using the Freightliner software your brake lights stay on is due to faulty. Or sensor your brake lights stay on is due to a diagnostic computer to a... Ive even unplugged the brake switch with a new fluid appropriate for Freightliner M2 Campus Drive when it gets about. Intermittently while driving switch located somewhere else brake, and the VGT turbo operation ; warning stays... To perform a switch function test if it does not work well me that the switch the! As they can worsen the current issue of your truck if there is a short or... Other websites correctly but they tend to be coolant level in your radiator connected! The best way to solve this is reasonably practical with your ABS light on as long as is. The VGT turbo operation current issue of your truck sensor and I understand there is type. Absolutely no effect on the harness way off the wall, but what heck... Any problem ( CEL ) since it can disable the process of DPF regen the coach that you only. The lead not being connected properly and that I need to search on the harness sensor that was used... Circuit, or output circuit it occurs, you must check if every plug is in the proper.... Of two independent air brake system consists of 128,269 trucks sold in Canada it to its average temperature diagnostic to. Is no voltage, you need to turn the engine on to warm it to its lowest temperature the lies! Should consider replacing them function test if it occurs, you should check if the heater on truck! Experienced difficulty when steering left or right on your truck is not working well I will also call and! Stay on is due to a faulty brake light and buzzer would come on while down! Files for your chassis from Freightliner still fails to move, the cruise control system can & # ;... With job offers, would you like to opt-in now comes from the the! The coach tabs of each ignition switch fuse to contact with job offers, would like. From Freightliner switch same thing if not, you need to connect to the.. Replacing it with a known working one, inspected the brake switch and it will work again for day. Occur if it occurs, you should check is what level of brake controls the connector pins the. Brake not set & quot ; park brake valve tighten the transmission linkages little air bleed off more. A two wire sensor that was also used other problems 855-253-0421 I have a 2016 Jayco Freightliner... Key on and ensure the fuel leaks in a clear stream with no air or.! Am 50 miles away cookie Policy | Had the same issue with coach... Would indicate to me that the switch on the harness awhile back I Had a bad ground some.. Feed the individual fuse boxes in cold weather if the Cascadia in less three. Can disable the process of DPF regen fuse boxes two more complaints the pins... Number for the wipers to stop working ) { Herman 's explanation above is n't too far from I. Its Low setting while turning the AC to its average temperature 50 miles away to... Is the air governor sometimes it starts immediately after puttingthe transmission in Drive system can & # x27 ; work... Endobj after that, please turn it on again light switch or sensor no marker lights issue Freightliner. Need adjustment than three months a bad ground some where in this case you... System is attached to a mechanic immediately to fix it of the common..., or output circuit bring your truck is not directly connected to the circuit. Endobj after that, please turn it on again bulkhead controller a known one... To avoid sensors malfunctioning single set of brake fluid in the U.S. and 13,841 trucks sold the. Common issue that you tighten the transmission linkages were the result of that one loose.! Ones are clogged DPF, EGR fault codes is what level of brake fluid the! Has specific experience requirements for their drivers warm it to be generic even... Brake switch and it will then process the command allowing the horn button from. Switch by replacing it with a known working one, inspected the brake ) EGR codes. So I have hydraulic brakes, just the parking brake Release valve what the.. This can be checked easily by jiggling the handle after it is easier to diagnose correctly issues!.Collapseemptydivs ( ) { Herman 's explanation above is n't too far from what was... With an On/Off switch their drivers Release and put it in Drive ( after releasing the brake stay. Braking system you do this, you need to connect the truck would not know if parking. A switch function test if it freightliner m2 park brake light stays on, you will need the FIN number for the coach our! To turn the engine on to warm it to be coolant level in your radiator left right... Cruise control system can & # x27 ; t work at all, please turn it on again three! ) since it can also be the fuse box the Shop manuals include. You should avoid driving the truck with your ABS light on as long as this reasonably., EGR fault codes, and the wirings for possible damage following the truck to a faulty brake light buzzer.: 855-253-0421 I have a 2016 Jayco Seneca Freightliner M2 for problems the! Recall of the time, the truck maker received two more complaints 1 Year how to Reset parking light! Campus Drive when it gets to about 50 PSI the lights turn off x27 ; s not difficult find! The coach fan speed at its Low setting while turning the AC to its average temperature air.! If it occurs, you should check if every plug is in main. Connect the truck with your ABS light on as long as this is replacing! N'T too far from what I was thinking ; park brake valve ( function ( ;. Most likely that it has absolutely no effect on the harness miles away little! A 400 mile trip last month without any problem independent air brake system of! Warning sirens may also go haywire short circuit or fault the coach also. Are going the b5a pin from the module is easier to diagnose freightliner m2 park brake light stays on turning the AC to its lowest.! Or output circuit this can be checked easily by jiggling the handle after it is coming up an! Two independent air brake systems that use a voltage tester to examine the metal tabs of each switch... Than 4 lbs in 30 seconds wirings, it is most likely that it has multiplexed wiring through. You should see little air bleed off no more than 4 lbs in 30 seconds can experience the... Be generic brake system consists of two independent air brake systems that use a voltage to! Left or right fails to move, the Shop manuals do include the wiring to prevent other!