Kenworth def line heater Mechanic's Assistant chat Customer: Cummins isx15 code 4340 I changed the def line heater and code is still popping up Mechanic's Assistant: What's the make/model/year of your truck? Buy DEF Hoses,Tubing & Piping from top brands at the bigrigworld. myteespring. I changed out all of the relays (3) and the 15 amp fuse on the aftertreatment box, no avail. Where is the relay and fuse for this circuit? what else is there to test The Diesel Exhaust Fluid Line Heater 2, or DEFLH2, is wrapped around the DEF backflow line and is used to maintain proper DEF temperature in the line. DEF Dosing Unit 1 Heater flashing DEF light and red check engine By chatting Fault codes are caused by a DEF controller issue. The sensor ensures that the DEF remains within optimal operational parameters while the heater prevents the fluid from freezing in Mar 3, 2018 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Description: DEF Heater Control Valve On 12 Voltage Condition: New Brand: Paccar® Part Number: 5502-17 Manufacturer information: Headquartered in Bellevue, WA, PACCAR® is a Fortune 500 company specializing in heavy duty commercial vehicles. Spartan Auto And Heavy Truck Parts (5323) 97. the heater wires embedded in the DEF hoses break. DEF Dosing Unit 1 Heater flashing DEF light and red check engine. 1 ohm resistance or less from heater plug to ecm 85 and ecm 38 and no resistance reading when checking against ground. DEF should be mixed with deionized water to a concentration of 32. 9% positive; Seller's other items Seller's other Get the best deals on Kenworth Commercial Truck DEF Systems when you shop the largest online selection at 2013-2023 KENWORTH T680 PACCAR DEF HEATER CONTROL VALVE Since you only have one of the 3 line heater faults active suspect a failed DEF line heater. 7L 2016 Kenworth Some DEF residue… do you think this was from when it was stuck? I have a 32581 diesel exhaust fluid line heater 1 circuit. Subject: The intent of Service Update SU2105 is to provide service notification of a running product improvement part change to the relay used for diesel exhaust fluid (DEF) line heaters. About: This component is designed to ensure optimal performance in emissions control systems by preventing diesel exhaust fluid (DEF) from freezing in cold environments. Checked all the connectors at the DEF pump for physical damage and connection, nothing to note. While your truck sits for hours in the mechanic's shop, that line easily thaws out. 940. K31-1001-024? Find it and many more Kenworth parts at the lowest prices at Big Rig World! Locating a break in a wireContinuity testing Showing corrosion inside of heat shrink connectionThanks Feb 1, 2018 · I'm pretty sure the DEF line is heat traced but not sure if it's electric or engine coolant traced. installed new heater relay, load tested the supply circuit, tested for a short to ground, checked pin fit at module, inline connector and at the heaters themselves. that leads me to the end of troubleshooting which states replace line which I have done. 2018 Kenworth T800 DEF Tank For Sale P/N M86-6221-00303 / 4388105 - Level Sensor and DEF Pump 1-855-878-2967 Email Seller More Details In troubleshooting step 7 it says: Measure the resistance between the aftertreatment diesel exhaust fluid line heater relay CONTROL pin at the appropriate aftertreatment diesel exhaust fluid line heater relay OEM wiring harness connector and the appropriate aftertreatment diesel exhaust fluid line heater relay CONTROL pin at the OEM wiring Feb 18, 2025 · Browse Kenworth T680 Diesel Exhaust Fluid (DEF) Pumps For Sale near you on MyLittleSalesman. Turn keyswitch ON. Part # 04-31885-180 From Tracey Truck Parts, Truck DEF Feed Line, Truck DEF Feed Lines, Diesel Exhaust Fluid Feed Line, Freightliner DEF Feed Line - 1800mm | # 04-31885-180 | Tracey Truck Parts The store will not work correctly when cookies are disabled. U113C = CAN communication - Aftertreatment system, DEF tank heater state (A1SCRDSI2) - Signal Cummins 6. Took it to the TA and they diagnose chage heater line 1 on fault code change that and it's doing the same thing when temperature drop but fine when it's warmer. Wire was stuck to metal and it ate away most of the wire, causing an M31-6026 DEF SENSOR/HEATER ASSY is an OEM part from Kenworth®, VMRS Code: 043-007-016, OEM Part Number: M31-6026-008W New Kenworth T680 DEF Misc Parts, P/N F90-6016 for sale. See Figure 2 for an example of a plugged DEF dosing valve inlet screen. New Cascadia AfterTreatment System . 2019 Kenworth T880 Ok. Possible causes of this fault code include: Malfunctioning line heater. – Kenworth has introduced a new, optional DEF tank with integrated steps designed for the Kenworth T680 and Kenworth T880. See Figure 1 for DEF Pump Module heating element location. 5% +/- 1%. i back probed the heater return pin at the after treatment module and i have battery voltage when the key is on. Its advanced heating elements provide rapid and uniform heat distribution, safeguarding the F90-6014 VALVE-DEF HEATER is an OEM part from Kenworth®, VMRS Code: 043-007-018, OEM Part Number: F90-6014-004S. Just had it fix last week for $914. 375in 04-28829-001? Find it and many more Freightliner parts at the lowest prices at Big Rig World! This video is about repair and diagnostic of DTC-3237, Diesel Exhaust Fluid (DEF) line heater 1 circuit voltage above normal or short to high voltageFor Inte Aftertreatment Diesel Exhaust Fluid Line Heater 2 Circuit - Current Below Normal or Open Circuit. Diesel Exhaust Fluid (DEF) Heater - 5D-1001L. . DEF Line Heater Relays The DEF line heaters are controlled by the three DEF line heater relays. | Expert 3,127 Satisfied Customers The Mechanic can help with the issue of no power at the DEF line heater fuse on your 2018 Kenworth T880. The new relay change is being made to improve circuit fault diagnostic capabilities. 7 and Allison Trans. DEF Tank: Heater Pump Cascadia EPA 2010 After Treatment System Detroit Diesel DD13 & DD15 DEF Tank: Heater Pump Im having problems with my def system in my kenworth t680. And all he did was a force regen is this going to be a ongoing problem or what. S Mechanic's Assistant: Are you fixing this yourself? What have you tried so far? Customer: There is electrical short on DEF line heat 3 suction. I went out an bought a multimeter to try and diagnose. Volvo on the other hand uses a diffrent supplyer of DEF lines and I have not saw one fail yet. Open circuit or short circuit to ground detected in the Customer: I have a 2016 freightliner M2 with a ISB 6. 24,255 Satisfied Customers. I changed all the lines they did not pass Faults for line heater 1, 2 & 3 Voltage Jan 25, 2021 · Anyone know which def heater lines are which on international? I got a def heater line 2 code and I did the plug and unplug method to see which one would stay and which two would clear. FC 4169 spn 5745 fmi 4 DEF Heater Short Locate & Repair 1 of Next Era Road Services finest in Action. Do you think the problem can be bad def I put in Mechanic's Assistant: Is the check engine light blinking or 2. com with the bulletin number in the subject line Open circuit or short circuit to ground detected in the diesel exhaust fluid line heater 1. With the option, the access steps to the deck plate are mounted directly over the DEF tank without requiring Aug 23, 2024 · The DEF line heaters are used to prevent the diesel exhaust fluid from freezing in cold temperatures. seems that there is a recall/campaign out. 4. Sign in to check out NEW GENUINE OEM CUMMINS Turbocharger Coolant Supply Line Def Heater Line test, the line that goes from def pump to def doser!!!P20B913 Reductant Heater A control Circuit Open Mar 26, 2023 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Looking for the OEM Freightliner Diesel Exhaust Fluid (DEF) Line Clip, . An open circuit in the OEM harness. I have tested the heater and it tests 1. 7 CM2350 VIN 3ALACXDT2HDHV3046 ENGINE # 58648765 I have a active code 4169 aftertreatment 1 DEF dosing unit heater circuit voltage below normal or shorted to low source. Part Number: 5D-1001L pdm:general_product_condition: Remanufactured Application Summary: Chevrolet Silverado 2500 HD 2011, Silverado 3500 HD 2011; GMC Sierra 2500 HD 2011, Sierra 3500 HD 2011 Customer: Can’t find DEF heater line #3 Freightliner DEF line heater Mechanic's Assistant: The freightliner Mechanic will know what to do about your heater. Coolant Valve, DEF Mar 14, 2025 · - SPN 4340 - FMI 5 - Def exhauster fluid line heater 1 state - current below normal - SPN 6802 - FMI 31 - DEF System frozen DEF is not frozen. com store at attractive prices! We'll help you with choosing the right part for your truck. 1" Diameter Manifold includes One 5/8" diameter end. Mar 19, 2010 · Be VERY CAREFUL about using after market replacement lines. Showing how I diagnosed multiple ACTIVE DEF line heater codes in this International HX. No power at def line heater fuse Kenworth, 2018 kenworth t880 with isx12, Check engine light, when testing fuses in the. Fits kenworth or peterbilt, supply or return line. It ensures that DEF remains at its optimal operational viscosity, thus Fault code Kenworth T680. If the voltage is less than 11. Dec 13, 2014 · The DEF line heaters are controlled by the aftertreatment control module mounted on the left side of the DEF tank. 61" Fitting Angles - 90 degrees End 1 Fitting Thread Size - 5/16" End 2 Fitting Thread Size - 1/4" Fitting Size - . Diesel exhaust fluid line heater 2 will be disabled. All it takes is a small piece of exposed line to freeze off and the line won't pass DEF. 4ohms. It seems to be an open circuit code for line #3 (its labeled C on the electrical connector). Customer. voltage at line heater plug 5v, voltage at relay is 12v on all pins but pin 3, didnt find the diagram that actually labeled the pins for relay. Find the best priced used Kenworth T680 Diesel Exhaust Fluid (DEF) Pumps by owners and dealers. And, how would you like to connect with the Mechanic - phone call or online chat? Customer: online chat May 4, 2017 · I had code SPN 4356/FMI 5 pop up on my T680 with a mx-13 engine. Had a check engine light. Malfunctioning line heater relayMalfunctioning line heaterOpen circuit, short circuit to ground, or a blown fuse in the aftertreatment diesel exhaust fluid controller P3976 code. Possible reduced engine performance. Ford OEM Diesel Heater Reservoir Sender Customer: Unable to find DEF line heater relays on Cascadia with ISX Fault Code Mechanic's Assistant: I understand your frustration, but the truck Mechanic will be able to help you locate the DEF line heater relays on your Cascadia with ISX Fault Code. KENWORTH FUEL TANK LINING K161-793-22 *READY TO SHIP With the keyswitch OFF, place a jumper wire between the aftertreatment DEF line heater 3 SIGNAL pin and the aftertreatment DEF line heater 3 SUPPLY pin at the aftertreatment DEF line heater 3 harness connector. MAKE SURE PART WORKS FOR YOUR APPLICATION - BEFORE YOU BUY IT. code still comes back. Most usual is 5488 and it shows heater open. 2015 kenworth t680 cummins #79827325. Cummins isx15 code 4340 I changed the def line heater and code is still popping up. Nate M. Coolant Valve, DEF Header & Heater Line Connections . All 3 def heaters voltage below normal or shorted to low source. Have you checked the fuse box for any relays related to the DEF line heater? Looking for the OEM Kenworth Fuel Tank Heater Assembly 22 In. 5030 Sign In/Register 0 3 days ago · CARDONE Reman. Kenworth Peterbilt DEF Pump Module and DEF dosing valve inlet screen must be replaced. Nov 21, 2012 · Take you truck to a dealer and you will find there is a recall to install new style DEF lines on most trucks but it is staged. Enjoy our hassle-free online checkout or call to speak to an expert. 75, Go to step 5. About: A DEF sensor/heater assembly crucial for monitoring and maintaining the proper temperature of the DEF fluid within the tank. Code M31-6027-005K1T DEF SENSOR/HEATER ASSY is an OEM part from Kenworth®, VMRS Code: 043-007-141, OEM Part Number: M31-6027-005K1T-008W. This specific code indicates an issue with the Aftertreatment 1 Diesel Exhaust Fluid Line Heater, specifically Heater 3. Kinda easy one today surprisingly. Unit was in dera NEW GENUINE PACCAR OEM PETERBILT KENWORTH M50-6039-3233000 DEF HEATER HOSE ASSY. $20. 2013 kenworth t680 Cummins isx15. Aftertreatment Diesel Exhaust Fluid Line Heater 3 Circuit - Current Below Normal or Open Circuit. 00. 25" Plug Type - 2W Male Material - Nylon See Photos For More Details 350540 COOLANT LOOP-DEF TANK is an OEM part from Kenworth®, VMRS Code: 043-007-016, OEM Part Number: 350540-008W. Turn the ignition ON (key ON, engine OFF). com, America's online marketplace for heavy duty parts. Learn More Show alternative parts. About: This coolant loop is an integral part of the DEF tank system, ensuring proper temperature management for emissions control. Malfunctioning aftertreatment diesel exhaust fluid controller. Kenworth T680 and T880 Add Option for DEF Tank with Integrated Steps KIRKLAND, Wash. Where is the relay for pump heater? Customer. just had all 3 lines replaced on our Paccar engines. Fault Code: 3425 PID: S254 SPN: 4344 FMI: 5. All three relays are located in the aftertreatment Power Distribution Module, or PDM. An open circuit in the OEM harness Source One Parts Center selection of genuine OEM Kenworth® Truck Parts | Selective Catalytic Reduction System (SCR) | Defective Tank Heater parts for Trucks, Buses, and more M31-6013 DEF HEATER is an OEM part from Kenworth®, VMRS Code: 043-007-016, OEM Part Number: M31-6013-008W. at this point I Jun 9, 2022 · diesel exhaust fluid heater line 1 code. Nov 10, 2024 · What does the SPN 4356 – Aftertreatment 1 DEF Line Heater 3 mean? The SPN 4356 code is part of the diagnostic trouble codes (DTCs) used in heavy-duty diesel engines. Conditions for Running the Diagnostics This diagnostic runs when the keyswitch is in the ON position and the heater is commanded on. A quick diagnosis on this Cummins engine code 3239 in this Kenworth T680. M31-6014 DEF HEATER is an OEM part from Kenworth®, VMRS Code: 043-007-016, OEM Part Number: M31-6014-008W. Don't forget to Like and Subscribe to the Channel! - https://goo. Verification DEF controller compatibility issue causes the DEF controller to fail the internal line heater diagnostic test and triggers line heater fault codes when the line heater circuit is activated. DEF freezes around 12°F (-11°C), so the heaters maintain the fluid temperature to ensure proper flow and operation of the SCR system. If the DEF pump is found to be faulty, it will need to be repaired or replaced. Also make sure the new controller and ecm calibration is up to date after the repair Where is def line heater 2 located SPN 5745 Peterbilt DEF heater. And no, the DEF has nothing to do with regens. Malfunctioning line heater. Its No power at def line heater fuse Kenworth, 2018 kenworth t880 with isx12, Check engine light, when testing fuses in the. I need an OEM wire diagram for the DEF line heater circuit, please. they warned us that some of the aftermarket hoses are just hoses & DO NOT have the heater wire inside them or the heat wire isn't Aftertreatment codes 3238 &3241 &3423 def pipe heater circuit below normal. | Expert. 3. Customer: 2016 kenworth t680 I have a solid red light on my def and it has check engine light on and saying reduced power. com. teamwork. Possible causes of these faults. Conditions for Setting the Fault Codes Hey all. 87 (940) BRAND NEW ORIGINAL KENWORTH LOGO LONG KENWORTH UNCUT BLANK TRUCK KEY 520030BLANK. It regulates the temperature of the DEF, preventing it from freezing and allowing for consistent emissions control. About: This valve is a key component in controlling the heating element of diesel exhaust fluid (DEF) systems, ensuring optimal performance in cold conditions. If the voltage is greater than 11. 2014 M2 Subject: TIB 34-068: T880 ISX12 Line Heaters 2/3 fuses and relays not installed Kenworth. The freightliner Mechanic VMRS: 043-007-138 - FITTING - DEF LINE. Possible causes of this fault include: Malfunctioning line heater relay. Trying to locate the DEF Supply Module Relay for the heater on a 2015 Freightliner M2 106 with ISB6. Diesel exhaust fluid line heater 3 will be disabled. This issue affects DEF controllers, Part Numbers 5283311 and 5283311RX, built between 5 2014 M2 106. I am, traced to heater traced to heater line on checked the Find many great new & used options and get the best deals for Freightliner Def Heater Line #1 04-28650-000 at the best online prices at eBay! Free shipping for many products! 2013-2023 KENWORTH T680 PACCAR DEF HEATER CONTROL VALVE PET 5502-17 OEM. Apr 3, 2023 · Check the DEF pump for any signs of malfunction, debris or damage, such as leaks or faulty seals. Where is the def line heater relays located on a 2017 isx15 lonestar international. Service@paccar. Here your going to see where to look for def lines 4 and 5 and how to replace t Have you gotten a def line code Kenworth M31-6014 Def Heater Order now for same-day shipping on eligible purchases from FinditParts. Your truck may not have the recall open yet but if one line has failed most likely Paccar will replace all three. Codes 3258 and 3261 returned. Cummins X15 codes 3238, 3241, 3423 and 3563. DEF pressure line, between DEF dosing unit and DEF dosing valve must be flushed with distilled water to remove any residual debris. Use INSITE™ electronic service tool to perform the DEF Doser System Heater Test and manually command line heaters 1 Jul 2, 2021 · Have you gotten a def line code. DEF Tank - 13 & 23 Gallon. Dec 24, 2024 · Brand new Paccar Oem heated def line m50-6032-73420700. co/Consider supporting our c Nov 11, 2024 · SPN 4355 code refers to a specific issue within the diesel exhaust system, particularly related to the Aftertreatment 1 DEF Line Heater 2. Its durable design supports consistent performance, contributing to vehicle efficiency and regulatory compliance. Do you have any other details that could be helpful? Customer: The code it’s throwing is SCR Heater line #3 open or shorted circuit Mechanic's Assistant: OK. 2016 Kenworth t 279. Freightliner DEF line heater 1 , power supply 2 heating element failed. Add to Cart Bulk Pricing Check Earliest Availability. The inlet line is what it points to but I figured I would ask to make sure A-Premium Diesel Exhaust Fluid Heater Compatible with Volkswagen Passat 2012 2013 2014 L4 2. Fault codes 3238 3241 3423 active. I know where all the relays are for def line heater 1, 2, 3. Freightliner 6 Gallon HDEP Supply DEF Line P/N: 04-30588-000 Supersession P/Ns: A04-32369-000, 04-31884-000 Tube Length - 22. I am not getting any voltage from the connectors on the problem line or good lines. 23,990 Satisfied Customers. Cant find it. code remains active even after running def Customer: Peterbilt def line heater wiring Mechanic's Assistant: What is the complete model and serial number of your machine? Customer: 2019 Peterbilt 567, Cummins ISX 12, VIN: LD652620. 24,540 Satisfied Customers. About: Combining the functions of sensing and heating, this Diesel Exhaust Fluid (DEF) sensor/heater assembly is pivotal for accurate monitoring and maintenance of DEF fluid temperatures. Email Us Call Us 888. Check the connectors for corrosion and the line resistance, sorry I'm not computer savvy enough to post the schematic. a. Fault Code: 3258 PID(P): SPN: 4340 FMI: 5/5 Customer: 2016 Kenworth t680 cummings isx def red light on fault code spn-6802 saying aftertreatment 1 diesel exhaust fluid dosing system frozen. Measure the voltage between pin 2 on the harness side of line heater 2 connector and ground. There is an output for lines 1&3 and another output for line 2. Free shipping. Diesel exhaust fluid line heater 1 will be disabled. Check the DEF concentration mixture. Open circuit or short circuit to ground detected in the diesel exhaust fluid line heater 2. Customer: Hello, My 2019 Kenworth with Paccar engine has a DEF temp fault code that the dealer troubleshot by last 8 of the vin JJ225240 and recommended changing the DEF tank heater valve do you happen to have a diagram showing the location of this part please? M31-6027-004K1T DEF SENSOR/HEATER ASSY is an OEM part from Kenworth®, VMRS Code: 043-007-171, OEM Part Number: M31-6027-004K1T-008W. Information: The new DEF line heater relay will be "Diode Suppressed". diesel exhaust fluid heater line 1 code. b. The aftertreatment diesel exhaust fluid line heater 1 is located on the supply line between the diesel exhaust fluid dosing unit and the diesel exhaust fluid dosing valve. 0L Diesel Sedan The aftertreatment diesel exhaust fluid line heater 3 is located on the suction line between the diesel exhaust fluid tank and diesel exhaust fluid dosing unit. Popped right into my eyes. gl/F75rPgCheck out our Merch! - https://thedieseler. Disconnect line heater 2. Line heater 2; on return line between dosing unit and DEF tank (145-fc3261) Aftertreatment Diesel Exhaust Fluid Line Heater 2 Circuit- Current Below Normal or Open Circuit (145-fc3239) Aftertreatment Diesel Exhaust Fluid Line Heater 2 Circuit- Voltage Above Normal or Shorted to High PACCAR Def Heater Line Hose ASSY M50-6032-74110450. About: Similar to its counterpart, this DEF heater unit plays a critical role in preventing diesel exhaust fluid from freezing, ensuring effective emissions control across various temperatures. 75, repair wire between pin 2 on the harness side of line heater 2 connector and pin 15 Open circuit or short circuit to ground detected in the diesel exhaust fluid line heater 3. Nich M. Search our large inventory of New/Rebuilt/Used Kenworth T880 DEF Misc Parts for sale. Def is 80%. This is an identical replacement part for the factory heater line (OEM: V58-1051-111). This can possibly be caused by: Switch side of line heater relay stuck open Burned out in-line fuse on the line heater power supply circuit Open circuit or short to ground in the aftertreatment DEF controller harness line heater power supply circuit. Jan 7, 2025 · DEF LINE HEATER FUSES/ HARNESS. SPN 5745 Peterbilt DEF heater. Urea heater valve. Customer: UNIT: JC - T1191 VIN: 5KKABNFE0RPVG9525 (RPVG9525) 2024 WESTERN STAR 47X CHASIS ESN: 99188954 - L9 CM2450 L126BWhere is the fuse located for the DEF line heaters. A fault indicated by SPN 4354 suggests that there’s an abnormal reading or performance issue with this heater. Customer: i have a 2014 Kenworth T680 with a isx cummins and its throwing a code of 3563 that is the only code in the system took the wiring harness of on the DEF system found no broken wires or anything what I noticed there is no power on the Yellow wire coming into the Heater Line3 need help with this Nov 8, 2024 · The primary function of the DEF line heater is to prevent the fluid from freezing or crystallizing, ensuring proper injection into the exhaust stream. Find My Dealer. This component plays a critical role in ensuring that the DEF fluid remains at an optimal temperature for effective operation.
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