Def line heater 1 location volvo. This specific code indicates an issue with the Aftertreatment 1 Diesel Exhaust Fluid Line Heater, specifically Heater 3. 75, repair wire between pin 2 on the harness side of line heater 2 connector and pin 15 2 24 of the ACM2. Dec 13, 2014 · The DEF line heaters are controlled by the aftertreatment control module mounted on the left side of the DEF tank. Introduction Peterbilt Motors has determined that certain vehicles built with 2010 emissions between January 01, 2010 and April 10, 2012, which operate in specific severe cold and wet environments are eligible for Heated DEF Line replacement. Freightliner DEF line heater 1 , power supply 2 heating element failed Locating a break in a wireContinuity testing Showing corrosion inside of heat shrink connectionThanks May 4, 2017 · Need guidance diagnosing DEF heater line #3 open circuit Discussion in ' Kenworth Forum ' started by tiddlytanker, Nov 21, 2020. 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. Customer: Hi, I have a line heater 1 short or open circuit code. I also don't have a fuse description sticker or list for the fuse box located by the left footrest area or kick panel for a 2012 construction truck. Volvo All Engines (2017 Emissions) Fault Code: P20B913 PID: ACM Reductant Heater “A” Control Circuit description This diagnostic trouble code (DTC) indicates a malfunction at the diesel exhaust fluid (DEF) line heater 1. 1. Def Heater Line test, the line that goes from def pump to def doser!!! P20B913 Reductant Heater A control Circuit Openmore This diagnostic trouble code (DTC) indicates a malfunction at the diesel exhaust fluid (DEF) line heater 1. Volvo All Engines (2013 Emissions) Fault Code: P20B913 PID: ACM Reductant Heater “A” Control Circuit description This diagnostic trouble code (DTC) indicates a malfunction at the diesel exhaust fluid (DEF) line heater 1. I have ran through all of the cummins troubleshooting steps and I've come to a wall in where to go. Inspect the DEF heater wiring harness for corrosion, especially near connectors exposed to moisture. Description The 21483644 Volvo Heater Line 3 is a critical component in the Diesel Exhaust Fluid (DEF) system, designed to transfer heated DEF fluid from the tank to the pump. Remove the 4 nuts retaining the DEF tank bracket to the frame rail and retain for reinstallation. Check the connectors for corrosion and the line resistance, sorry I'm not computer savvy enough to post the schematic. Using a jack or assistant, lift the DEF tank and bracket assembly off of the frame rail and set the tank and assembly on the floor. make sure all your wires to the line heater is properly secured. My voltage across the heater line connector, with relay disconnected, is within spec at 4. 2. Dec 23, 2019 · Is the code active or inactive? You need to check the electrical connector at the DEF line from tank to pump and from pump to dosing valve. The DEF line and line connection between the DEF tank and DEF dosing valve is electrically heated by the DEF line heater 1. 3v drop. I have a code for heater line 1 open circuit. Aug 23, 2024 · Fault Code SPN 4354: Diesel Exhaust Fluid (DEF) Line Heater 1 Circuit Urgency Level: Medium If your vehicle is displaying fault code SPN 4354, it indicates an issue with the DEF Line Heater 1 circuit. 2 the voltage is less than 11. While the vehicle can still be driven cautiously, this fault should be diagnosed and repaired promptly to avoid potential issues with the SCR system and NOx emissions compliance. In these situations, sustained operations in severely cold climates permits ice to accumulate around the DEF line electrical connector and compromises . Using a multimeter, I found no readings on the harness side plug of the line connector with the ignition on. Engineered to withstand high temperatures and pressures, this line ensures efficient fluid flow, preventing freezing in cold weather and maintaining system performance. Check the voltage to the heater. disconnect the connectors that goes to the lines and make sure it's clean. The aftertreatment diesel exhaust fluid line heater 1 is situated on the supply line between the diesel exhaust fluid dosing unit and the diesel exhaust fluid dosing valve. The voltage drop across the circuit was only a . Subscribed 85 15K views 4 years ago Volvo d13 DTC P20B913 def line heatermore 4355/FMI 2. 54 VDC. Nov 8, 2024 · When you see the SPN 4354 code pop up on your vehicle’s dashboard, it can feel like a jolt of confusion and concern. DEF heater line codes typically indicate wiring corrosion or damage in the DEF heater circuit. There is an output for lines 1&3 and another output for line 2. This code isn’t just a random sequence of numbers; it points to an issue with the Aftertreatment 1 Diesel Exhaust Fluid (DEF) Line Heater. ljau5 caj vua3 k4 xrxgm 4zjqk rfgvs r8l wrpl5 ik22