Freightliner acm fault codes 520372

 

This is second time. Are any May 19, 2021 · Fault Code. Home / DTC TRUCKS / Detroit / DD13 GHG14 (2014-16) / Detroit DD13 GHG14 (2014-16) Fault Code: SPN 520329 FMI 31 (ACM) Non Diesel Exhaust Fluid Flow Situation Please review the fault codes and claim guidelines in this letter to ensure any internal tools (e. Good morning, I have a Freightliner 2018 VINHF6352. What do I need to do to get these codes to clear so the engine will not be derated? I get code 520372 fmi 16 about every 15k miles and clear it with scr efficiency test but today it wont run. The DEF qualit, quantity and doser are workingpr … Dec 3, 2023 · I have ***** *****ght come on and I checked the acm and I have two fault codes. No code because its at . The Heavy Truck Mechanic I'm going to connect you with knows all Nov 1, 2021 · Eric I prefer the call Okay SCR Closed loop at maximum limit code not clearing on 10/12 dealer listed cause as DEF buildup. Connect Jan 19, 2020 · Reprogramming and emission label replacement corrects various fault code issues such as “SPN: 1636, FMI: 16 – CAC Efficiency Low”, “SPN: 2659, FMI: 0 – EGR Flow Target Error”, and “SPN: 520372, FMI: 16 – SCR Closed Loop Control At Maximum Limit. 0? a. First time we took t … read more Jun 10, 2019 · Clear codes with DDDL 7. png 147. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800. Anyone know if I need to get back into the shop or should it reset by switching the truck on and off several times Nov 25, 2023 · I have 2017 Freightliner Cascadia that is having deff problem. If the one box is new and the doser unit is new you should have them do a DEF quantity test, the measured amount shouldn't be less than 120ml. • SPN: 520372/FMI 14: Selective Catalyst Reduction Closed Loop Control at Maximum Limit (Timeout) • SPN: 520372/FMI 16: Selective Catalyst Reduction Closed Loop Control at Maximum Limit . But now im getting 3 eec 61 codes, first eec 61, Freightliner Cascadia 2012 DD15, fault code EEC 61 …. Reply. Dec 15, 2021 · In This Video I Will Be Showing You How You Can Pull Your Fault Codes Right From Your Dashboard On A 2017 Freightliner CascadiaWelcome Back Level Up Family! Jun 8, 2019 · Section 17. SPN 520355 (ACM)(GHG17); SPN 5713 (ACM)(GHG17); SPN 5714 (ACM)(GHG17) January 2018 check for any inlet NOx sensor communication or voltage fault codes. 1 satisfied customers. 8. It also has a 21–pin connector which is the responsibility of the OEM. 71 did two SCR efficiency test and raised LARMF to 1. Yes; diagnose the other fault codes. Mechanic's Assistant: The Expert will know what to do. Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. It is having inactive code 3711/31 and active inducement code spn 520372/16 with LARMF of . The DEF qualit, quantity and doser are workingpr … Apr 14, 2021 · Troubleshooting for Code 520372 FMI 16 is attached. 61. Disclaimer: We cannot guarantee the accuracy of all trouble codes. 1. Mechanic's Assistant: Im sorry to hear that youre experiencing issues with your 2019 Freightliner Cascadia and the yellow engine light is on, but Im confident that the truck Mechanic will be able to help you diagnose and resolve the problem. Tim Midway. Oct 5, 2020 · Eng 2 001 SPN 001231, 2013 cascadia 115 dd13, Stuck on side of interstate, had previously drained air tanks to fix leak, - Answered by a verified Technician Oct 17, 2023 · Getting a code 520372 and 520371 yellow engine light on? 2019 Freightliner Cascadia. In this case, there are over 20 steps to take to clear the code. Reprogramming and emission label replacement correct various fault code issues such as “SPN: 1636, FMI: 16 – CAC Efficiency Low”, “SPN: 2659, FMI: 0 – EGR Flow Target Error”, and “SPN: 520372, FMI: 16 – SCR Closed Loop Control Dec 21, 2023 · Reprogramming and emission label replacement corrects various fault code issues such as “SPN: 1636, FMI: 16 – CAC Efficiency Low”, “SPN: 2659, FMI: 0 – EGR Flow Target Error”, and “SPN: 520372, FMI: 16 – SCR Closed Loop Control At Maximum Limit. If the fault returns, Go to step 4. Fault Code 520342-17 Dave Dobraski 26 posts since Sep 17, 2015 Fault Code 520342-17 May 15, 2020 7:43 PM Have a 2019 Western Star with a DD13 and have code 520342-17. The procedures and QualityTruck in this thread both tell you that there is too much ash in the DPF. Click the link below for the Detroit Bulletin for troubleshooting and repair. I have a. SPN 520372 / FMI 16 - SCR closed loop at maximum limit fault. I just filled up with DEF before driving about 8hrs. 520372 and 4331 I have 2 Freightliner Cascadia's with fault codes SPN-523010 shown SPN 3227 (ACM) (GHG17) March 2017 Additions, Revisions, or Updates Yes; repair other fault codes first. No; Go to step 4. did … read more. Anyone know how to bypass deration of engine and get SPN 520372 (ACM) (GHG17) June 2018 Additions, Revisions, or Updates Publication Number / Title Platform Section Title Change DDC-SVC-MAN-0200 GHG17 DD8 MD SPN 520372/FMI 14 - GHG17 Updates to the SPN. Cookie Policy | Sitemap Truck, Tractor & Forklift Trucks Manuals PDF, Fault Codes DTC 2014-2021 Log out | Edit Jan 4, 2023 · I am trying to diagnose a fault code fin 6922 fmi 7. 57. SPN 520372 FMI 14 Selective Catalyst Reduction Closed Loop Control at Maximum Limit (Timeout) SPN 520372 FMI 16 Selective Catalyst Reduction Closed Loop Control at Maximum Limit SPN 524285 FMI 4 CM1 DPF Regeneration Switch Short Circuit to Ground . Freightliner. 2 SPN 3227/FMI 2 - GHG17 SPN 520372/FMI 16 - GHG17 Selective Catalyst Reduction Closed Loop Control at Maximum Limit . Fault Code. Start and bring engine up to operating temperature (over 140°F/60°C). The magnetic switch studs are at battery voltage. Check for multiple fault codes. Luc Richard. Academic Honors Diploma. BryanC0506. 0 ZGS 002 or greater? a. 2019 freightliner vin last 6 KJ4969 showing codes ACM Description The Fault Indicates High DEF Delivery Monitored Parameter NOx Conversion Efficiency Typical Enabling Conditions Closed Loop DEF Dosing Monitor Sequence None Execution Frequency Always Enabled Typical Duration Two Seconds Dash Lamps None Engine Reaction None Verification Parked SCR Efficiency Test Check as follows: 1. TxId: 33 SPN: 520762. In this case, this code means: “ This fault code sets when the Aftertreatment Control Module (ACM) detects that the NOx conversion is lower than a calibrated threshold”. Technician: Gary A. Satisfied Customers: 377. Vocational, Technical or Tra Engine Fault codes (MID, PID, SID, FMI) FREIGHTLINER. Apr 13, 2022 · Got code spn 5443 fmi 15 on the acm. The MCM has a 120–pin connector Engine Harness which is factory installed. Mcm is showing code spn 4077 fmi 14 checked the acm and I have two fault codes. Since the FMI 1 code is tied to the SPN 4364 code, you know it is referring to your NOx system. Jan 26, 2022 · I have a malfunction indicator lamp on I have codes Truck … read more. It has a code. There could be an underlying issue with the def quality, pump pressure, def doser, or a nox sensor issue. 2 mcm is r44-00-000a Apr 19, 2024 · Hello, I have a few codes for a 2022 Freightlier Cascadia DD15. Wiring, connectors, ignition coil 5, ECM. Component Codes (MID) MID / Description / Old Text Message / New Text Message * 128 Engine # 1 ENGINE ENG 130 automatic transmission – † Trans 136 Anti-lock Brake System (ABS) TRCTR BRK Brake 140 Panel, Left INSTRCLST Instr 142 Panel, Right # 1 INSTRCLST MGMT 172 Diagnostic System 3. MasterTech Mike. Mar 11, 2019 · 2. I am 250 mi away from home. Once it does (if ever), it will set an additional, more specific DEF/SCR system fault. Ignition coil, 5 -primary circuit range/performance. It's a pleasure to help anyway I can. 2020 Freightliner Cascadia ATS Electrical system problem detected Discussion in 'Heavy When I checked the diagnosis it’s giving me a ACM code 3223 …. Please tell me everything you can so the Expert can help you best. I had the ***** *****ght come on with the ACM fault codes as 520372 and 4331. On a 2017 freightliner Cascadia VIN. 0 or latest version. N/A : 0. Needs to be cleaned or replaced. 4. Reprogramming and emission label replacement corrects various fault code issues such as “SPN: 1636, FMI: 16 – CAC Efficiency Low”, “SPN: 2659, FMI: 0 – EGR Flow Target Error”, and “SPN: 520372, FMI: 16 – SCR Closed Loop Control At Maximum Limit. If this fault code is ignored long enough it will trigger DEF inducement DEF Freightliner Codes. pdf) and copy of truck on cold start up (Stone Cold 1 box on start up) the DPF intermediate temp is reading the same temp. There is no trouble shooting in Diagnostic link or in PSL. wondering what it might be . 3AKJGLDR8HSHF1248 I'm getting codes SPN 520372 FMI 16, SPN 521049 FMI 31, SPN 521050 FMI 31, and SPN521052 FMI 31. May 14, 2021 · SCR closed loop control at maximum limit. (520372) (16) (permenant). ) that a service location uses are up to date. Mar 11, 2019. it has derate to about 5 mph. 520372 and Nov 24, 2023 · code 520762, fmi 3. Mar 22, 2021 · My engine light came on my 2017 Freightliner. Codes: SPN-3216 10. DDC-SVC-MAN-0193 GHG17 DD5 MD SPN 520372/FMI 14 - GHG17 DiagnosticLink users: Please update the troubleshooting guides in DiagnosticLink with Feb 3, 2021 · M-F. , templates, cheat sheets, guides, etc. 2. The pinouts for the 120–pin connector are listed in Table "MCM Connector – DD15 Engine (1 of 4)" , Table "MCM Connector – DD15 Engine (2 of 4)" , Table "MCM Jun 19, 2020 · Typical fault code with Freightliner Cascadia One Box, possible causes:1) Bad DEF quality2) Bad DEF metering unit3) Bad or faulty NOx inlet or outlet sensor4 Check the SPN 3216/FMI 13 DTC occurrence counter. Varies by engine series and chassis service model. May 23, 2022 · On a 2017 freightliner Cascadia VIN. I'm getting fault code SPN-520371 and fault code SPN-520372. 85 . I stuck somewhere between Detroit and Lansing MI. But the truck is running fine I'm not having any noticeable issues. P1000 – P1099 (Fuel and air metering and auxiliary emission control) P1000. There are approximately 457 engines affected by this Field Service Campaign. SPN 520372 FMI 16 moriarty posted May 4, 2024. The DEF qualit, quantity and doser are workingproperly. It has a code SPN 4765 FMI 0. Hey I've been having problems with my truck 19 cascadia had an abs fault was told it was just the stored codes and had them cleared but now I've got another fault. 92345 but im sure code 520372 will be back soon. Code is 520197 31 under the ssam diagnostic. 7. Expert Technician. I would replace it. Yes; Go to step 4. 10v Hi 2. First time we took t … read more Jun 13, 2016 · Because the sensor is not the problem, only a symptom. Answered in 13 minutes by: Technician: Gary A. Depending on the level of the currently installed software, the update may also include improvements for fault codes SPN 1636/FMI 16 and SPN 2659/FMI 0. Trying to Dec 29, 2019 · ECU 5841 14 DEF Quality Low: Diesel Exhaust Fluid Quality Malfunction Special Instructions. 1 FAULT CODE DESCRIPTION GHG14 5488 5 SCR Line Heater #5 Circuit Failed Open 520232 9 NOX Mass Signal Not Available via CAN 520323 3 High Side Digital Output Supply Voltage Circuit Failed High 520323 4 High Side Digital Output UV_DOS Circuit Failed Low 520326 3 Under pressurized DEF system Nov 1, 2023 · These engines will be excluded from this Field Service Campaign. No; Go On a 2017 freightliner Cascadia VIN. Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Associate of Applied Scienc 301 satisfied customers. Ask Your Own Medium and Heavy Trucks Question. TxId: 33 SPN: 520762 – Manufacturer Assignable SPN FMI: 3 (Voltage Above Normal) Count: 13 TxId: 61 SPN: 520372 – Manufacturer Assignable … read more. Sep 5, 2020 · Stopped at the rest area. 9. Make sure there are no other codes, if so repair those first. Tried regen twice, nothing Tried reset codes shutting power for 15min and codes are still there and I cannot move. There is a bulletin out on this fault code requiring a software reprogram and update to resolve the issue as long as no other mechanical problems are found. Has Feb 6, 2024 · I have fault codes 520372 & 520365, El código ACM 520372 16 cual es la falla. This code may be only for the 2010 + MaxxForce DT, 9, 10, N9 & N10 (ESN 3,300,000 and later) engines. 2016 Freightliner Cascadia dd15 Detroit engine. 56. Journeyman Certificate. Turn the ignition ON (key ON, engine OFF). 1 Fault Codes SPN FMI ACM2. PT can resistance with all modules connected ACM not communicating- 60ohms Attached is a screenshot of codes, 2000/9 was created by unplugging CPC • UPS 249127. Check the Aftertreatment Control Module (ACM) software level. Second Opinion] 2016 Freightliner Cascadia dd15 Detroit engine. Is the ACM software level lower than 7. Verify operation is satisfactory and no warning lamps illuminate. Category: Medium and Heavy Trucks. SPN 521049/FMI 31 - GHG17 DEF Inducement DEF Lamp Active Table 1. This code indicates a problem with the controller or a component within the diesel exhaust fluid (DEF) system on your 2020 Freightliner Cascadia. spn 5841 fmi 14. 520372 is a scr closed loop limit fault. Freightliner acm fault codes 520372. Reprogramming and emission label replacement corrects various fault code issues such as “SPN: 1636, FMI: 16 – CAC Efficiency Low”, “SPN: 2659, FMI: 0 – EGR Flow Target Error”, and “SPN: 520372, FMI: 16 – SCR Closed Loop. Jun 21, 2021 · Cascadia SCR closed loop DTC 520372Causes Bad battery Def doser Def filter Software updates Dec 16, 2023 · How to clear the SCR closed loop at maximum limit SPN 520372 FMI 16 fault code. Feb 14, 2020 · The issue is the ECM has a glitch and needs to be reprogramed and updated at no charge to the customer. is the 3rd axle temp sensor voltage high, replace the plug end, if same, replace the sensor. AlexD13 , Oct 18, 2021 Apr 28, 2022 · My engine light came on my 2017 Freightliner. Jun 13, 2016 · No codes until I got to mechanic and he pulled this up. Engine Harness. 520372 and 4331 Freightliner M2 Sep 8, 2022 · 2016 Freightliner M2 fault code 1 SPN:5842 FM:I14. see below, Def filter clogged. If the DTC occurrence counter is five or less, clear the fault and release the vehicle. Mcm is showing code spn 4077 fmi 14 Aftertreatment Hydrocarbon. Sep 6, 2020 · The fault code is as follows. Got code spn 5443 fmi. All dealerships are closed till Tuesday. removed the speed sensor still not moving more than 5mph, ACM codes, 520342, 17. That’s weird. The DEF qualit, quantity and doser are workingpr … Nov 24, 2023 · On a 2017 freightliner Cascadia VIN. 520372 and 4331 … read more. Yes; repair those fault codes first. Disconnect the SCR inlet NOx sensor. MODEL MM106042S BASE MODEL M2106. Nov 6, 2020 · Freightliner cascadia dd15 fault code 520342fmi17 any idea? Wes777, Nov 6, 2020. 521001/14 for automatic mode not available - gear shift no plausible. Nov 24, 2021 · 2019 freightliner cascadia has these codes spn 521049 FMI31, SPN521050 FMI 31 and SPN 521052 FMI 31. 2019 freightliner vin last 6 KJ4969 showing codes ACM 520371, 520372, 520365 GHG14 ACM2. Wes777, Nov 6, 2020 #1. Weekend 2-3 pm CST for the day. g. SPN 521049/FMI 31 Description This Code Sets When There is a Code Present for the Diesel Exhaust Fluid (DEF) Tank Level, DEF Dosing Unit, DEF Pump, NOx Sensors, Blocked DEF Line, DEF ACM PTCAN- 3. Are there any aftertreatment system fault codes present? a. ”. Includes removing and installing the ACM cover when needed, as well as removing the fairing or steps for access. In addition, page 2 contains a NOx sensor circuit fault code sample with notes and screenshots so that after repairs are finished, claims can be created for - Free Truck, Tractor & Forklift Trucks Fault Codes DTC lists. 1. Check the ACM software level. The Fault Indicates High DEF Delivery Monitored Parameter NOx Conversion Efficiency Typical Enabling Conditions Closed Loop DEF Dosing Monitor Sequence None Execution Frequency Always Enabled Typical Duration Two Seconds To avoid injury from electrical shock, use care when connecting battery cables. Sep 22, 2023 · On a 2017 freightliner Cascadia VIN. No; Go to step 2. b. Jun 2, 2024 · Diagnostic Code: SPN 520372 FMI 14 DD15 Motor, Check engine. I hope this helps you. The DEF qualit, quantity and doser are workingpr … Nov 8, 2023 · On a 2017 freightliner Cascadia VIN. He is not quit sure either but its something to do with poor def quality. Got code spn 5443 fmi 15 on the acm. Hello, I have a 2020 Freightliner Cascadia 126 with DD13 and DT12. Updated NOx Sensor Circuit Fault Code Troubleshooting Inlet Sensor Outlet Sensor SPN 3217/ FMI 3 – ACM 3. You may or may not see it on a Cummins engine but the FMI 2 code is not listed on the comprehensive Cummins fault code sheet. Check engine light on and keeps - Answered by a verified Technician Aug 9, 2019 · I have 2018 freightliner dd13 with 6 active codes they are SPN 520368,SPN 3227,SPN520366. I have a 2020 Freightliner Cascadia 126. Sep 9, 2021 · On a 2017 freightliner Cascadia VIN. It is Freightliner Cascadia 2016 automatic. , replied 1 year ago 520365 fault code is for your NOX outlet sensor And 3238 looks to be the same. The 520363 fault means "Selective Catalyst Reduction Inlet NOx Sensor Circuit Failed Open. 0 cpc is 6. 0. 0 KB Jon Cecil 887 posts since Nov 25, 2014 Re: P4 ACM Not Communicating Nov 3, 2020 4:27 PM Nov 15, 2023 · On a 2017 freightliner Cascadia VIN. Lead Diagnostic Technician. Also i got SPN 520372/16 fmi 14. Feb 8, 2022 · These engines will be excluded from this Field Service Campaign. May 22, 2023 · SPN 4364 FMI 1. sent you a copy of truck Idling (aft Spec. simultaneously. Click on the link for the bulletin in relation to this code. Is the ACM software level 9. i sent to you a picture of what is on the dash after moving the unit in to the shop for further diagnostics. SPN 520372/FMI 16. I have light come. Check for other emission-related fault codes. I have a fault code on. Pedal Off Idle Fault Code: SPN-6922 Freightliner checked the acm and I have two fault codes. I searched this 520199 code & found this comment "Antenna for prewired people's net is interfering with LDW camera. Truck is a 2020 Freightliner cascadia. Damaged wire. Updated software did regen ,LARMF at . The DEF qualit, quantity and doser are workingpr … Jan 8, 2021 · On my freightliner 2019 cascadia i have 2 codes in the acm code 520363 and code 3223 says ats electrical system problem detected butt the truck is running fine. The Heavy Truck Mechanic I'm going to connect you with knows all the tricks May 31, 2023 · Diagnostic Code: SPN 520372 FMI 14 DD15 Motor, Check engine. Are there any Selective Catalyst Reduction (SCR) or Diesel Mar 5, 2024 · SPN 520372 is a fault code related to the Aftertreatment Diesel Exhaust Fluid Controller 1 - Bad Intelligent Device or Component. Description. The ACM has not been replaced yet? There is a software update to correct issues with this code. No; update the ACM using the latest server information. Dec 19, 2022 · One more code Customer attachment 12/19/2022 4:03:41 PM 520365 Technician: Curtis B. The 5841 can limit the regen part of the system. SPN 3216 (ACM) (GHG17) June 2018 Additions, Revisions, or Updates Publication Number / Title Platform Section Title Change DDC-SVC-MAN-0200 DD8 MD SPN 3216/FMI 16 - GHG17 Step 3 and Step 4 has been updated DDC-SVC-MAN-0193 DD5 MD SPN 3216/FMI 16 - GHG17 DiagnosticLink users: Please update the troubleshooting guides in DiagnosticLink with this 6. Yes; update the ACM software to the latest available on the server. Mar 21, 2024 · Vocational, Technical or Tra 19,245 satisfied customers. Vocational, Technical or Tra Fault Code. Fault Location. Journeyman. Apr 21, 2021 · The it has 2 Check engine lights on with code 5435 7 and 520342 17. Fault Code 3242 FMI 18 can you double check this fault code. Sep 13, 2023 · SPN 520372 FMI 16 is supposed to be a supplementary code; it indicates that the ACM has detected poor NOx conversion, but hasn't been able to figure out the cause. Ab … read more Jan 13, 2023 · FMI 521001 SPN 14. Carefully read the procedures for the code. 520372, 16 Detroit Diesel Engines Fault Codes List. That request is not from me. NOTE: Follow troubleshooting found in 5435-7. If the DTC occurrence counter is greater than five, Go to step 3. SPN 520372 Manufacturer Assignable SPN FMI 16 COUNT 1SPN 521013 Manufacturer Assignable SPN FMI 31 COUNT 1SPN 4331 Aftertreatment 1 Diesel Exhaust Fluid Actual Dosing Quantity FMI 15 (High-least severe) Count 1SPN 3661 Engine Fuel 1 Injector Cylinder 3 Actuator 2 FMI 3 (Voltage Above Normal) Count: 2Please advise what is the issue I have 2017 Freightliner Cascadia that is having deff problem. Mar 26, 2024 · The list of inactive codes are spn 3227 fmi 2, spn 520372 fmi 16, spn3226 fmi 10, spn 520365 fmi 5, spn 3228 fmi 2. Tiene el cheeky enge encendido he ACM code 520372 16 what is the Jul 25, 2012 · I think your Fault code SPN-520199 FMI 2 Source 232 might be related to that. The DEF qualit, quantity and doser are workingpr … read more Mar 31, 2023 · SPN 3251 FMI 2. This code is telling you that the DPFDP is above or below the desired level. Gary A. Drove vehicle 3 times code not clearing and listed as permanent, diagnosed as failed outlet not sensor, sensor was replaced. Trouble Code. Acm is 7. Is TCM fault code 521476/FMI 3 or 4 also present? a. Probable Cause. 2 SPN 521007/FMI 14 Main Shaft Speed - Not Plausible Check as follows: 1. I have heard before this needs a software update but mine is higher than listed . TRC Master Service Tech. Faulty Aftertreatment Control Module (ACM). If warning lamps illuminate, troubleshoot the codes. Tiene el cheeky enge encendido he ACM code 520372 16 what is the Apr 13, 2023 · I have Freightliner cascadia 2018 it has fault code 520342 mode 16. It has two orange check engine lights with one CHECK symbol and blinking orange on DEF. 962 satisfied customers. I see and FMI 3, 4, 8, 17 , and 20. . I have a Freightliner 2018 VINHF6352. " Usually this fault means the sensor has completely failed. code 520372 fmi 16. The DEF qualit, quantity and doser are workingpr … About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Harness and ACM show corrosion at the 21-pin connector Figure 1 – GHG17 1-BOX™ ATS Wire Harness These issues can cause various electrical fault codes such as: MCM fault code SPN 1231/FMI 9 - ACM Message Not Received or has Stopped Arriving CPC fault code SPN 625/FMI 9 - ACM PT-CAN DM1 Message Not Received or has Stopped Arriving Fault Code: Description: 108: 2019 Freightliner Cascadia DD15 ACM fault code 520349 14. Set a request in on it and was instructed to do three ADS self check s and send in log file. Perform the repair verification. 2018 freightliner cascadia. 0. Wayne. Is the voltage measurement on pins 11, 12, 14, 15, and 18 Jan 16, 2023 · I have fault codes 520372 & 520365, El código ACM 520372 16 cual es la falla. Original stated casuse was DEF buildup Dealer did a regen, code would not … read more. Does not matter that they were replaced in Oct 2021. I have fault codes 520372 freightliner cascadia that has fault codes SPN replaced 2 weeks ago now getting fault code 3223 7 and 520372 16 on acm. 00v Lo All checked to ACM ground (all legs) and load tested. P1001. I don't see an FMI 18. Inspect the SCR inlet NOx sensor harness for bent, spread, or corroded pins. 7. Unplugged grey cable from 3 pin connector that has 2 green and one black and white wire. THE OTHER CODES ARESPN4364,SPN3238. Faulty SCR inlet NOx sensor. 992 satisfied customers. Be sure to check for any faulty fuses or relays as well as between your battery box and control module on this truck to confirm that all of your control modules are powering up and there are no voltage supply related issues existing. Measure the voltage between pins 11, 12, 14, 15, 18 and ground of the 21-pin ACM connector, harness side. 7 . Jan 8, 2020 · I have ***** *****ght come on and I checked the acm and I have two fault codes. hd zd xl qe ck xr wc yl ru of