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Vehicle Heating and Air Conditioning Control Assembly Technical Service Bulletins HVAC Control Head - Inoperative, No Display HVAC CONTROL HEAD - INOPERATIVE, NO DISPLAY Number: 93-44-1A Section: 1A Date: NOV. 1992 Corporate Bulletin No.: 261210 ASE No.: A7 Subject: HEATER VENTILATION AIR CONDITIONING (HVAC) CONTROL …It may fail to detect some objects and is not a substitute for attentive driving. Always ensure that there is sufficient distance to the side for other vehicles, pedestrians, and obstacles. SGA warns the driver about stationary obstacles in the vehicle's range of movement up to a maximum speed of 22 mph (35 km/h).A/c not working. 2009 freightliner cascadia - Answered by a verified Technician. ... 11/1/2022. Technician: ... 2014 freightliner cascadia ac compressor not turning on. We already added Freon according to manufacturers spec. There is …8 Climate Control. 9 Cab Features. 10 Engine Starting, Operation, and Shutdown. 11 Optional Engine Systems. 12 Emissions and Fuel Efficient Components. 13 Brake Systems. 14 Manual Transmissions and Hydraulic Clutch. 15 …4. Recover the refrigerant from the air conditioning system. See Section 83, Subject 220 in the Cascadia Workshop Manual for instructions. 5. Remove the dash access panels and supports listed below. See Fig. 1 and Fig. 2. See Section 60.06 in the Cascadia Workshop Manual for instructions. • HVAC cover panel • Lower-cover panel • Glove box ...1. Blown Fuse. All electrical systems in the vehicle are controlled by fuses. Your cruise control system is attached to a fuse that can blow if there is a short circuit or fault. Without a good fuse, the cruise control system can’t work at all. Thankfully, it’s not difficult to find and replace a blown fuse.Fortunately, there’s an easy way to reset the blower motor sleeper fuse. Locate the blower sleeper fuse on your HVAC system. Unscrew the fuse cover and remove the fuse. Inspect the fuse for any signs of damage. If the fuse is damaged, replace it with a new one. Screw the fuse cover back on and turn on your HVAC system.Aug 31, 2022 · WARNING!!: ⚠️⚠️⚠️Always use the proper tools and safety equipment to perform this job. Failure to perform the job correctly can result in personal injury or ... Sioux Falls, SD $5250.00. Add To Cart. 1. 2. 3. ... 11. Shop our massive inventory of new & used Freightliner CASCADIA Cab Assemblies at unbeatable prices. Enjoy our hassle-free online checkout or call to speak to an expert.This documentation applies to Freightliner, New Cascadia's, 2018 & 2019 Year Model vehicles equipped with a dash controlled suspension dump switch. Airliner Suspension Dump Functionality Test: Test Pre-conditions: 1. Park the vehicle, shut down the engine, set the parking brake and chock the rear tires. 2. Start and run the engine until the air ...4. Recover the refrigerant from the air conditioning system. See Section 83, Subject 220 in the Cascadia Workshop Manual for instructions. 5. Remove the dash access panels and supports listed below. See Fig. 1 and Fig. 2. See Section 60.06 in the Cascadia Workshop Manual for instructions. • HVAC cover panel • Lower-cover panel • Glove box ...The main fuse box, also known as the Power Distribution Module, or PDM, is located under the hood on the left front fender just ahead of the bulkhead module. The fuses in the main fuse box are paddle type mini fuses. The battery power fuses located next to the batteries are screw-in mega fuses. Because the electrical system is multiplexed, no ...Just an FYI for your buddy: you are partially correct. His issue could be 1. Improper charge in the system ; when you're driving the system moves Freon "faster" and can compensate for low charge in exchange for efficiency. An A/C tech can check that and it may need a slight charge. 2. #truck #truckrepair #freightlinercascadia [email protected] https://dashboard.mudflapinc.com/invite/ji5b37Mudflap, how to vide...Thank you for the reply. It’s definitely engaging. Turn the ac button off and it stops spinning and when I flip it on it begins to spin. Refrigerant is R134. I’ve done ac work plenty of times. Usually can find the problem but compressor seems to be working correctly I just feel as if the refrigerant is stuck somewhere.First, locate the fuse box. In the Freightliner, the fuse box can be found under the instrument panel on the driver’s side of the vehicle. To access the Freightliner fuse box, remove the dashboard cover. Next, look for the radio fuse. If this doesn’t work, try checking the fuse box location. If the radio doesn’t work, replace the fuse in ...4 Semi-Truck AC Problems and Causes. by Joel | Jun 1, 2022 | AC Repair | 0 comments. Air conditioning semi-truck repairs are a must when your AC is giving ...4.) With the introduction of spring brakes, anti-compounding and 121 air brake systems, because a valve is leaking air out of its exhaust, does not mean the valve is at fault. If a spring brake is leaking from the the spring brake to the service brake side, that air will travel back up the service line and out the exhaust of the next valve back.My a.c. in the sleeper blowing warm air but in front blowing cool air. 2015 Freightliner Cascadia 3AKJGLD57FSGF9798. Not - Answered by a verified Technician ... Hi, I am trying to figure out why my AC in my semi truck sleeper blows only hot air. The cab area works fine but the air feom the sleeper/bunk is hot. I have 2009 Kenworth T660 if …My company just gave me a brand new Cascadia a little over a week ago. Some issues that need to be checked, but the other day, the sleeper HVAC just…Freightliner cascadia bad AC compressor AC system not working not cold enough inspection problem. Francisco Amaya. 88K subscribers. Subscribe. 12K …Professionals are not employees of the site but users of the site and help on here as time allows in between jobs, family,etc. Response time can vary depending on my work load each day but I will always respond back on my next available login. Feel free to respond back at anytime if for any reason we seem to get separated,for status, etc.Mar 5, 2016 · I have a 2007 Freightliner Century and has recently realized my AC stopped working and a local tech diagnosed the trouble from the dashboard controller and boycotting it. After I left I also realized the Speed and RPM and PSI gauges do not work and it shows No Data Link. We have checked different fuses and cannot tell the problem. HOW TO RESET FREIGHTLINER AC |CASCADIA AC BLOWING WARM AIR || FREIGHTLINER CASCADIA|| QUICK FIX. Quick fix if the ac stops working. I …cascadia 2022 bunk ac filter changefreightliner cascadia2022 freightliner cascadiacabin air filterDec 21, 2020 · Trucking Jobs in 30 seconds. Every month 400 people find a job with the help of TruckersReport. Freigliner cascadia ac not working - Answered by a verified Technician. ... 11/1/2022. Technician: ... My 2011 freightliner cascadia 126 it's not getting power to the ac compressor, fuse and rely are good and it has pressure, brand new compressor and pressure switch, ...The first Freightliner air conditioning diagram is the air flow diagram. This diagram shows the basic components of the air conditioning system, including the compressor, condenser, evaporator, and expansion valves. It also shows how the components interact with each other and how they’re connected to the cabin of the truck.Jun 3, 2022 · Freightliner speedometer not working are also other problems that can happen with a speedometer. If it is not working due to a faulty transmission there may be bigger issues going on and the truck should go to a mechanic. Speed reference needs to be within limits or idle. Speed sensor needs to be calibrated properly. 12,915 satisfied customers. Need to know freon capacity for 2012 freightliner cascadia. Need to know freon capacity for 2012 freightliner cascadia 125 with dd15. I have had 2 freightliner dealerships tell me 3 lbs and one tell me 4.1 … read more.Feb 14, 2016. #1. 2008 Freightliner Cascadia DD Series 60 Engine. Accelerator is unresponsive (won't even rev, no change in RPMs) in low gears (1,2). Hooked up to DDDL No Active codes related to engine, only one for stereo. System Diagnostic Code #5 - Special Instructions (S155/14) previously active. Particulate Trap Outlet Gas Temperature Bank ...2016 Freightliner CASCADIA Air Conditioner Compressor. Model: IRR5685. Pulley Grooves : 8. VIN #: 3AKGGLDR4GSGX5203. OEM #: ABP N83 304QP10S151062. USED ALLIANCE TRUCK PARTS, DATE CODE 02-2021 ID: ABP N83 304QP10S151062. Create Estimate. Part Info. (877)238-5030 Request Info Enterprise Vander Haags Inc WM …2013 Cascadia freightliner vin:3akjgldv5esfu1834 sams chassis module has been replaced was burnt out had programmed an still trailer light do not work turn lights, brake lights, marker light completel … read moreJun 3, 2007 · 95' 378. AC is not working. System is charged but compressor clutch will not engage. No power at compressor. It does engage if I jump it off a 12V source. I have power in and out of hi and low pressure switches. Any thing I'm missing or do I need to start looking for a broken wire somewhere? Daniel Wilson. Associate Degree. 6,648 satisfied customers. Controller code 249s254 02 and front cab blower went out. sam controller code 249s254 02 and front cab blower went out . under bunk lights wouldn't go out i removed …Council Bluffs, IA $5250.00. Add To Cart. 1. 2. 3. ... 12. Shop our massive inventory of used & new Freightliner CASCADIA Cab Assemblies at unbeatable prices. Enjoy our hassle-free online checkout or call to speak to an expert.Cascadia does not have high and low pressure switches. There is a ####ty electronic device called pressure transducer . That junk sometimes screws the hvac module. Its not expensive. i would replace it first. If problem will exist than hvac module is malfunctioning.Backed by over 50 years of mobile A/C experience, fix it once and fix it right with Four Seasons. Premium parts you can rely on Designed to keep your A/C system in top shape. $41.58. Replace® A/C Expansion Valve (ACX012586) 0. # mpn4759629143. A/C Expansion Valve by Replace®. Block Type.9 de out. de 2018 ... If your truck doesn't have enough coolant, your heating system can't send it to the heater core. It's normal for cold air to blow out of your ...When the engine is running, the air conditioning unit is powered by the vehicle electrical system, and the auxiliary heater core is supplied using engine coolant. The ParkSmart AGM batteries are …According to FL … it was a change they made maybe 2 or 3 years ago … my last model was a 2015. 1) When you are at normal idle and hit the cruise button to go to high idle … it jumps to maybe 1,000 RPM … which is what I am use to. 2) But this is the new part to me … when you are at normal idle and hit the dash AC compressor button ...Just an FYI for your buddy: you are partially correct. His issue could be 1. Improper charge in the system ; when you're driving the system moves Freon "faster" and can compensate for low charge in exchange for efficiency. An A/C tech can check that and it may need a slight charge. 2. The main fuse box, also known as the Power Distribution Module, or PDM, is located under the hood on the left front fender just ahead of the bulkhead module. The fuses in the main fuse box are paddle type mini fuses. The battery power fuses located next to the batteries are screw-in mega fuses. Because the electrical system is multiplexed, no ...freightliner cascadia bunk fan not working… had to change out my fan. Since it was t working. It doesn’t have fuse#freightlinercascadiaRe: 2016 Freightliner Blower Motor INOP Nov 4, 2020 3:40 PM I assume this is a Cascadia. The blower turns on full when the signal wire reads 2,000 hz to ground. It’s off when it reads 2,000 hz no ground. Approx 500 hz to ground would be 25% speed. 1500 hz to ground would be 75% speed. It’s confusing, just know when you jump the signal wireJun 3, 2022 · Freightliner speedometer not working are also other problems that can happen with a speedometer. If it is not working due to a faulty transmission there may be bigger issues going on and the truck should go to a mechanic. Speed reference needs to be within limits or idle. Speed sensor needs to be calibrated properly. Jun 13, 2022 · Ac compressor been replaced in september , been working fine untill 2 month ago ( working- not working , working while idling only , stops working completely , restart the tractor - works for some time , no pattern at all ) 2 weeks ago shop checked freon - all good , replaced high pressure switch.. same thing ... SS 1033700 New Cascadia Cruise Control Will Not Set Applicable Vehicles: This solution applies to all New Cascadia's vehicles. Symptoms: Cruise control will not set. The vehicle stop lamps work and when accessing the Cruise Control panel in DiagnosticLink, service brake signals can be seen activating in the Common Powertrain Controller (CPC). NoBuilt with cutting-edge truck technology, the Cascadia delivers superior fuel economy. From its aerodynamic design and fuel-saving Detroit ® powertrain to its uptime-boosting telematics, it sets the industry standard for business efficiency. For drivers, the Cascadia offers a comfortable interior, plus a range of automated safety features that ...2018 Freightliner cascadia Headlights not working thinking might be a fuse how do I check. Which fuse box is it located - Answered by a verified Technician. We use cookies to give you the best possible experience on our website. ... I have a 2016 Freightliner Cascadia 2022 Freightliner Cascadia ...4. Set the heater or air conditioning to maximum. Set the heater or A/C fan controls on the dash and sleeper area to high. This will minimize engine run time. 5. Turn the thermostat on by pressing any button on the display. 6. Select cool or heat by pressing the buttons. This must match the setting on the heating and A/C controls set in step 4. 7.Oct 6, 2019 · Singh11 Bobtail Member. Hello everyone, I have a problem with my truck. It is 2013 Freightliner cascadia. The sleeper lights are not working and sleeper hvac also not working. LWR lamp is working (the small sleeper light) and the music mute switch still working, also the power outlets are working fine. Just the rear hvac and and the dome lights ... Secondary Air Pressure Sensor, GND_CR X9/1 My company just gave me a brand new Cascadia a little ove Ac compressor been replaced in september

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I bought a 2000 Freightliner FLD120 with a Detroit 60 Series en.

Date Added to File: January 25, 2021. Failing Component: Electrical System. Summary: Freightliner service bulletin for rain/light sensor removal. On new cascadia vehicles, a delay in the timing of communication (hand shake) between the rain/light sensor (rls) and ssam generates fault code "33/521940/12 - rain/light sensor -.#truck #truckrepair #freightlinercascadia [email protected] https://dashboard.mudflapinc.com/invite/ji5b37Mudflap, how to vide...Always start and operate the engine in a well-ventilated area. If in an enclosed are, vent the exhaust to the outside. Do not modify or tamper with the exhaust system. Do not idle the engine except as necessary. For more information go to www.P65warnings.ca.gov/diesel. WARNING Cancer and Reproductive Harm www.P65warnings.ca.gov/diesel.2022 Freightliner Cascadia. In this update, you will be able to find new parts and customization options in-game which will allow you to upgrade your current Freightliner® Cascadia to the current production version of the Cascadia at your nearest Freightliner dealership or repair shop. ... We still have quite some work ahead of us, …6,648 satisfied customers. I have a 2006 Freightliner Columbia. The blower motor won't. I have a 2006 Freightliner Columbia. The blower motor won't come on. The bunk overide switch is flashing. the ac compressor is engaged and … read more.Apr 30, 2021 · If it won't hold at 160F the heater probably is not firing up. You should be able to feel hot air coming from vent/exhaust pipe on back of sleeper on the out side. You can also hear the little fuel pump click click clicking as it's pumping fuel from tanks into heater from outside. Maybe the heater is not firing up. My a.c. in the sleeper blowing warm air but in front blowing cool air. 2015 Freightliner Cascadia 3AKJGLD57FSGF9798. Not - Answered by a verified Technician ... Hi, I am trying to figure out why my AC in my semi truck sleeper blows only hot air. The cab area works fine but the air feom the sleeper/bunk is hot. I have 2009 Kenworth T660 if …Most cascadias use about 4.5lbs. If you are filling by pressure refer to a R-134A pressure temperature chart. A good rule of thumb for R-134A is that pressure should be fairly close to ambient temperature. Last 6 of the vin and I can tell you exactly how much your truck calls for. Animosus, May 1, 2016.Medium and Heavy Trucks. Customer attachment 1/16/2022 5:40:15 PM. It's fairly common that they have water intrusion issues and drying it out may make the issue go away, but I would also try to make sure that all of the seals are in good condition on the connections, so you don't have further water intrusion issues. 6,648 satisfied customers. I have a 2006 Freightliner Columbia. The blower motor won't. I have a 2006 Freightliner Columbia. The blower motor won't come on. The bunk overide switch is flashing. the ac compressor is engaged and … read more.4. Set the heater or air conditioning to maximum. Set the heater or A/C fan controls on the dash and sleeper area to high. This will minimize engine run time. 5. Turn the thermostat on by pressing any button on the display. 6. Select cool or heat by pressing the buttons. This must match the setting on the heating and A/C controls set in step 4. 7. Aug 9, 2016 · can anyone help me I have a 2016 M2 106 business class 6Freightliner with a Mercedes engine and Alison transmission. The speedometer does not work have change many parts to include Accelerator pedal, body control module, chassis control module, TCM, speed sensors, input and output sensors, no codes just don't have a wiring diagram for the instrument cluster to see which is the speedo wire or ... FREIGHTLINER Cascadia Air Conditioner Hoses. Item: A/C Line Assembly. Location: RD to J-Block. OEM #: A2268450001. NEW AFTERMARKET New Aftermarket Cascadia A/C Line Assembly. Create Estimate. Part Info (616)241-2110 Request Info. HTPFrontier Truck Parts Dorr MI. Please Callgot a 2016 cascadia here with a dd13 and DT12 transmission, truck was towed in since it wouldnt go into gear, the air pressure builds fine, and when put into drive an audible gear drop is heard with the normal air actuation sound and then it will air actuate again and again and again, the display will stay in neutral and pushing the throttle ...Council Bluffs, IA $5250.00. Add To Cart. 1. 2. 3. ... 12. Shop our massive inventory of used & new Freightliner CASCADIA Cab Assemblies at unbeatable prices. Enjoy our hassle-free online checkout or call to speak to an expert.Electrical System General Information. The Saf-T-Liner C2 uses an electrical system where multiple electrical signals are carried along a simplified set of wires, reducing the size of wiring bundles. There are significantly fewer wires overall, meaning less chance of damage, shorts, and other problems. The information in this chapter is to help ...8 Climate Control. 9 Cab Features. 10 Engine Starting, Operation, and Shutdown. 11 Optional Engine Systems. 12 Emissions and Fuel Efficient Components. 13 Brake Systems. 14 Manual Transmissions and Hydraulic Clutch. 15 …4. Set the heater or air conditioning to maximum. Set the heater or A/C fan controls on the dash and sleeper area to high. This will minimize engine run time. 5. Turn the thermostat on by pressing any button on the display. 6. Select cool or heat by pressing the buttons. This must match the setting on the heating and A/C controls set in step 4. 7.Air, water, dirt and oil cause system contamination. The compressor can only process gas, so trying to pump anything else will cause your air conditioner to work harder, potentially causing damage to the unit. 3. Blocked or Clogged Condenser. The condenser converts gases into liquids, which expels heat from your rig.2012 Cascadia sleeper ac not blowing cold Discussion in ' ... ac lines under the bunk and in front of cab but front ac has to be on for bunk to work and if low on Freon bunk wont work and cab will just not as good depending on how low jameslawton, Feb 20, 2014. ... Freightliner Cascadia DD15 2018... emilko posted Oct 16, 2023 at 1:43 …Step 2. Turn the fan speed on low and turn the AC to the coldest setting. Freightliners use a simple dial on the HVAC control unit to control the setting of the AC system. On a freightliner, the sound of the compressor starting is unmistakable. You should hear a low "hum" followed immediately by the cooling fan turning on. Step 2. Turn the fan speed on low and turn the AC to the coldest setting. Freightliners use a simple dial on the HVAC control unit to control the setting of the AC system. On a freightliner, the sound of the compressor starting is unmistakable. You should hear a low "hum" followed immediately by the cooling fan turning on.Start the truck and run the AC on Max with bunk cooler button pushed on dash controls. Run for 10 minutes then select opti idle while running. When the truck shuts off the bunk AC should take over. I have not tried the bunk cooler button. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...My company just gave me a brand new Cascadia a little ov The main fuse box, also known as the Power Distributio

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Recall 233983 [USA]: Brakes that pull to one side during an acc braking event may cause a sudden change in vehicle direction, increasing the risk of a crash. Daimler trucks north america, llc (dtna) is recalling certain 2017-2023 freightliner cascadia, 2020-2022 freightliner business class m2, and 2022 freightliner 114sd, and 2020-2023 western star 49x, 2021-2023 western star 47x, and 2021 ... Professionals often use OEM-level scan tools to test blend door actuators. A faulty blend door actuator will often set a diagnostic trouble code (DTC) that can be retrieved using a high-end scanner (code readers and generic scan tools will not work). What’s more, the scan tool can be used to activate the blend door actuator to check for ...Now the ac not working after the new ac dryer, on the work order it says "quick connect fitting to ac dryer is wet possible sign of leaking. ... Freightliner Cascadia DD15 2018... emilko posted Oct 16, 2023. Vigil light bar truckerbangin posted Oct 15, 2023. 2003 FLD120 Crawler hauler...9 de out. de 2018 ... If your truck doesn't have enough coolant, your heating system can't send it to the heater core. It's normal for cold air to blow out of your ...Sep 19, 2022 · Revised freightliner service bulletin version 3 for freightliner cascadia 3g to 4g common telematics platform (ctp) update. Newest revision: a screenshot of the diagnosticlink image shown in fig. 40, on page 31, with the message ??A?A?Activ. View This TSB. TSB Number: CALFTL54-002 NHTSA Number: 10194444 TSB Date: May 7, 2019 Date Added to File ... This current '20 does not. Everything works on electronic signals from the computer. If computer is glitchy, weird stuff can happen. Every single little electronic action in that truck can be controlled with a laptop hookup to …WARNING!!: ⚠️⚠️⚠️Always use the proper tools and safety equipment to perform this job. Failure to perform the job correctly can result in personal injury or ...First, you must pump it down to above 80 psi. Then, throttle your truck a bit and notice if the needles are climbing. If they do, then you can be sure that the compressor is in the load phase. To test if the governor can switch the compressor to unload phase, you’ll want to pump up your truck to max pressure.4 Semi-Truck AC Problems and Causes. by Joel | Jun 1, 2022 | AC Repair | 0 comments. Air conditioning semi-truck repairs are a must when your AC is giving ...Dec 12, 2015 · Cruise Control & Engine Brake Fix On Freightliner Cascadia Discussion in ' Freightliner Forum ' started by David Noriega , Apr 6, 2016 . Page 1 of 2 1 2 Next > It may fail to detect some objects and is not a substitute for attentive driving. Always ensure that there is sufficient distance to the side for other vehicles, pedestrians, and obstacles. …Step 2. Turn the fan speed on low and turn the AC to the coldest setting. Freightliners use a simple dial on the HVAC control unit to control the setting of the AC system. On a freightliner, the sound of the compressor starting is unmistakable. You should hear a low "hum" followed immediately by the cooling fan turning on.Pressing the power door lock switch opens or locks both the driver's and passenger's doors simutaneously. To adjust the mirrors, first use the selector to activate either the left or the right mirror, then use the directional switch to aim them inward, outward, upward or downward. See Fig. 5.3 .My eaton fuller autoshift suddenly will not go into any gears in my driveway, just shows down arrows and R or 2(flashing) when I try to go into any gear. When i have the truck off and turn key to start position and try to shift gears i can hear the transmission shifting successfully, however once the engine is running it will not shift gears.Now accepting support and donation to my channel. accepting: personal check, business check, money orders, gift cards, gifts, tools, shop articles, etc,.. ...Aug 31, 2022 · WARNING!!: ⚠️⚠️⚠️Always use the proper tools and safety equipment to perform this job. Failure to perform the job correctly can result in personal injury or ... New Cascadia front blower motor inop Mar 31, 2020 7:57 PM We have a customer that has had several New Cascadias complaining the blower motor will quit working for a few hours and come back on. We have never been able to duplicate it in the shop. Finally got a chance to look at one while it was messed up. FCU was not communicating. Found Dec 3, 2018 · Thank you for the reply. It’s definitely engaging. Turn the ac button off and it stops spinning and when I flip it on it begins to spin. Refrigerant is R134. I’ve done ac work plenty of times. Usually can find the problem but compressor seems to be working correctly I just feel as if the refrigerant is stuck somewhere. Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. 1 (855) 347-2779 [email protected]. GET A QUOTE. Common signs include the wiper blades only working on one speed or a different speed than you selected, not working at all, and making humming noises.Work Instructions Subject: New Cascadia ABS Warning Light Illumination Models Affected: Freightliner New Cascadia General Information NOTE: New Cascadia vehicles and the ﬁrst generation Cascadias have entirely different ABS architecture. Due to the enhanced vigilance of the New Cascadia ABS controller, some fault codes and indicator lights do not The first thing that I would do is find the Two a/c lines under the cab that are going to the sleeper. Feel the lines with you hand near where they go up into the sleeper and see if they are cold or not. One of them should be pretty cool or cold. Ask Your Own Medium and Heavy Trucks Question.Freightliner speedometer not working are also other problems that can happen with a speedometer. If it is not working due to a faulty transmission there may be bigger issues going on and the truck should go to a mechanic. Speed reference needs to be within limits or idle. Speed sensor needs to be calibrated properly. 8 Climate Control. 9 Cab Features. 10 Engine Starting, Oper