Hello I have a 2012 Volvo vinyl 670 d13 it has 6 codes spn 5394 fmi 5, spn 3936 fmi 1, spn 5246 fmi 0, spn 173 fmi 5,spn 3245 fmi 5, spn 3251 fmi 5 … read more. Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts.ISB6.7 CM2150 2007-09; ISB6.7 CM2350 2013-17; ISC CM2150 2007-09; ISL CM850 2003-06; ISM CM870 2003-06; ISM CM875 2003-06; ISX CM870 2003-06; ISX11.9 CM2250 2010-12; ISX12 CM2250 2010-12; ISX15 CM2250 2010-12; X12 CM2350 X119B 2018 & Newer; ... SPN 5443 FMI 0 (ACM) DPF HC Absorption Very High” Cancel reply. Your …Got code spn 5443 fmi 15 on the acm. Mcm is showing code spn 4077 fmi 14 Aftertreatment Hydrocarbon … read more. I have a few codes for a 2022 Freightlier Cascadia DD15. SPN. Hello, I have a few codes for a 2022 Freightlier Cascadia DD15. SPN 520372 Manufacturer Assignable SPN FMI 16 COUNT 1SPN 521013 … read more.SAE - 5443 - Mechanical system not responding or out of adjustment SPN 5443 7. This is an indication of a plugged DPF filter in need of replacement or service. Try a parked Regen and if restricted, get the fault codes to why and if …Detroit DD15 GHG14 (2014-16) Fault Code: SPN 5443 FMI 0 (ACM) DPF HC Absorption Very High. DESCRIPTION: High hydrocarbon absorption in the diesel particulate filter. MONITORED PARAMETER: DOC temperature in. TYPICAL ENABLING CONDITIONS: High idle times. MONITOR SEQUENCE: Always enabled.DTC_FMI_EtcReturnFault 7 DTC_SPN_EtcTpsSentMsg 65600 DTC_FMI_EtcTpsSentMsgFault 12 DTC_SPN_EtcTps1 65602 DTC_FMI_EtcTps1Range 2 DTC_SPN_EtcTps12Correlation 65610 DTC_FMI_EtcTps12CorrelationFault 2 DTC_SPN_EtcTps2 65601 DTC_FMI_EtcTps2Range 2 DTC_SPN_FuelLevelSensor1 96 DTC_SPN_FuelLevelSensor2 38Home / DTC TRUCKS / Cumminz / ISB6.7 CM2350 (2013-17) / Cummins ISB6.7 CM2350 (2013-17) Fault Code: 5868 PID: SPN: 4339 FMI: 7 Aftertreatment 1 SCR Feedback Control Status - Mechanical System Not Responding or Out of Adjustment. The maximum dosing adjustment has been reached.Home / DTC TRUCKS / VOLVOUU / All Engines (2010 Emissions) / VOLVOUU All Engines (2010 Emissions) Fault Code: SPN 5443 FMI 10 PID: PPID 329 Aftertreatment 1 ... SPN 3840 FMI 3 (CPC) Frequency Output 4 15 - Failed High on Pin 15 Circuit of the Common Powertrain Controller #4 Connector. Add to cart. DD16 GHG14 (2014-16) Detroit DD16 GHG14 (2014 ...Detroit DD15 GHG14 (2014-16) Fault Code: SPN 5443 FMI 16 (ACM) DPF HC Absorption High. DESCRIPTION: Fault code sets when the engine oil separator speed is less than 3,000 rpm for 45 seconds. MONITORED PARAMETER: DOC temperature in. TYPICAL ENABLING CONDITIONS: 1. Engine Coolant Temperature Greater than 65°C (149°F).Cleared codes and test drive, electric bolt warning light comes on after 1 to 2 miles, check engine light comes on after about 3 to 4 miles. Diagnostic code tree only shows fault tree for SPN 5443-7, not the SPN 5443-8. This truck only has the DEF doser valve in exhaust, it does not have the 7th injector or fuel lines for the DPF regeneration.We outline the top ecommerce website design tips and examples to build your online store. Retail | Ultimate Guide REVIEWED BY: Meaghan Brophy Meaghan has provided content and guida...I have a VOLVO D13 and it has active codes, SA 0 SPN 5397 FMI 31 and SA 0 SPN 5443 FMI 7 What is the problem? 2013 VOLVO - Answered by a verified Technician.ATS Status says service brake N/A Also neutral, system timeout, exhaust temp, vehicle speed below all saying N/A. Any ideas what those means. Also still have code spn 5443 fmi 7 and spn 3216 fmi 13. … read moreBe the first to review “Detroit DD13 GHG14 (2014-16) Fault Code: SPN 5443 FMI 0 (ACM) DPF HC Absorption Very High” Cancel reply Your email address will not be published. Required fields are marked *The spn 5443 fmi 7 is mechanical system not responding with the aftertreatment hydrocarbon dosing system. There is a few different things that can cause …Spn 1037 fmi 15 is a DPF HC Absorption fault. PROBLEM: During extended periods at idle speed or high idle, unburned fuel from the combustion. process slowly builds up in the Aftertreatment Device/One Box. This unburned fuel is also referred. to as hydrocarbon. If too much hydrocarbon is allowed to accumulate in the ATD, the next drive cycle ...ECM SPN 5443, Aftertreatment 1 Hydrocarbon Dosing System – MID 128 PPID 329. FMI 7 • Mechanical system not responding properly • Regeneration not …Good morning I recently did a engine swap on my 2013 Volvo d13 ishift I have 18 codes as followed SA 0 spn 84 fmi 9, SA 0 spn 91 fmi 9, SA 0 spn 1072 fmi 5, SA 0 spn 626 fmi 5, SA 0 spn 5246 fmi 16, S … read moreSPN 5357/FMI 16. Description Fuel Quantity High Detected. Monitored Parameter Injector Quantity. Typical Enabling Conditions Steady State Drive & No Regen. Monitor Sequence None. Execution Frequency Continuous when enabling conditions met. Typical Duration 2 Minutes. Dash Lamps MIL, CEL. Engine Reaction Derate 25%.This video is about Truck Down Update 1 (Engine Codes SPN 1127-FMI 14, SPN 641-FMI 7, SPN 655-13, SPN 173-2)1. Connect DDDL/DDRS 7.08 SP2 or newer. a. If SPN 4374/FMI 3, 4 or 5 are active, repair those faults first. b. If not, Go to step 2. 2. Turn the ignition OFF (key OFF, engine OFF). …Engine light is on. Fault codes. Mid. mid 123 ppid 270 fmi 12 mid 128 psid 42 fmi 14,mid 128 psid 46 fmi 14,mid 128 psid 229 fmi 9, def clock on dash reading empty, def tank full, truck …. Christopher D.Mack MP8 motor with codes SA 0, SPN 5443 & FMI 7. 2013 Mack the yellow engine light and the lightning bolt lights are on … read more Mike Mcmillan Shop Foreman/Triage Tech Associates 8,454 satisfied customers I have an engine code on a mack with ...Sep 12, 2022 · Volvo 2013, D13 engine. Code SPN 5443, FMI 7. How do you diagnose the issue 1) bad 7th injector, 2) bad doser module or - Answered by a verified TechnicianOct 19, 2020 · SA 0 SPN 5443 FMI 7. Note: FMI 7 – Shut-off valve, the system does not react in the right way. The wrong software. It is more than likely that the problem could be the 7th injector is stuck closed. What you need to do is remove the 7th injector from your truck according to the manual: unscrew 2 bolts and disconnect the fuel line.Diagnostic Trouble Codes (DTC) Group 28 Release 2 From Build Date 1.5.2014. Engine Control Module (ECM), Diagnostic Trouble Code (DTC), Guide for 2010 Emissions - Volvo Trucks. MID 130/223 DTC Guide (Volvo Transmissions)- Volvo Trucks. Electronic Control Module (ECM), Aftertreatment Control Module (ACM), Electrcial System Version 3 Diagnostic ...Jul 2, 2018 · Engine Speed/Position Camshaft and Crankshaft Misalignment - Mechanical System Not Responding or Out of Adjustment. Engine Speed and Position Sensors. CODES: Fault Code: 731. PID (P), SID (S): S64. SPN: 723. FMI: 7/7. Lamp: Amber. REASON: Engine position signal from the crankshaft position sensor and camshaft …• SPN 5443/FMI 15: DPF HC Absorption Warning • SPN 5443/FMI 16: DPF HC Absorption High • SPN 5443/FMI 0: DPF HC Absorption Very High Continued idling without the Auto-Elevate feature enabled may result in an engine shutdown, similar to soot buildup in DPF Zone 5.Validation. Connect all components. Connect the recommended Cummins® electronic service tool or equivalent. Disable the fault code. Operate the engine within the "Conditions for Clearing the Fault Code" found in the Overview section of the troubleshooting procedure. Verify that the fault code is no longer active.SPN 5443 FMI: 15 PASSENGER-OPERATOR ACTIVE FAULT CODES (1) ECM Serial Number: ECM Model: Fault Description: HVAC Duct Temperature FMI Description: Current below Normal or Open Circuit Count: 126 SPN 1548 FMI: 5 INACTIVE FAULT CODES (1) Thursday, May 18, 2023 7:23 PM Page 2 DIAGNOSTIC REPORTPurpose:Verify PTO Installation, Operation and Specification. Note: Fault Code 570 FMI 15 sets Active when Inertia Brake temperature is higher than expected during PTO operation, indicating an excessive PTO load condition. Key off. …5435 7 Non DEF flow situation 5443 0 DPF HC Absorption Very High ... SPN FMI CPC4 FAULT CODE DESCRIPTION GHG14 98 1 Oil Level Very LowJust want info on Diagnostic info. 33 Bulkhead SPN 524251 FMI 7. I haven't found that on any listing of failure codes. Technician: Joe Green. Hi Kelly. Nice to meet you. This code indicates an extra smart switch is installed that the system is not recognizing.I have a 2013 volvo with the d13 engine that is throwing codes Spn 5246 fmi 0 and SPN 4094 fmi 18,. It has went into derate and is requesting a parked regen, which I've done to no avail. I did clean the seventh injector, and found a leak on the egr crossover pipe that was replaced. Started the truck after these repairs and it requested a parked ...We have a 2015 freightliner cascadia, dd15 engine, codes spn 5357 fmi 16, spn 102 fmi 18, the shop 50 miles down the road baked the dpf filters made it to here and truck derated, started a regen and t … read moreOct 19, 2019 · ATS Status says service brake N/A Also neutral, system timeout, exhaust temp, vehicle speed below all saying N/A. Any ideas what those means. Also still have code spn 5443 fmi 7 and spn 3216 fmi 13. … read moreJul 10, 2023 · Make: DetroitEngine: DD15 GHG17 (2017 & Newer)PID: N/ASPN: 5443FMI: 15. Description: DPF HC Absorption Warning SPN. Troubleshooting: DESCRIPTION: High hydrocarbon absorption in the Diesel Particulate Filter (DPF). MONITORED PARAMETER: Diesel Oxidation Catalyst (DOC) temperature in. TYPICAL ENABLING CONDITIONS:Freightliner SPN 5435 FMI 7. What the code says for Freightliner is that the Non-Diesel Exhaust Fluid (DEF) Flow Situation has a speed problem. The flow is low according to the data sheet on this particular fault code. When you see this code, you should also see the MIL and CEL lights illuminated. Plus, you should experience a 25% derate soon ...Oct 21, 2017 · ATS Status says service brake N/A Also neutral, system. ATS Status says service brake N/A Also neutral, system timeout, exhaust temp, vehicle speed below all saying N/A. Any ideas what those means. Also still have code spn 5443 fmi 7 and spn 3216 fmi 13. … read more. Mike Mcmillan.Cascadia 2021 DD15, Spn 3598 fmi 4, Spn 521027 fmi 9 , Spn 5443 fmi 0 spn 3719 fmi 31, Not doing regen, temp stays around 400 F ... SPN 190 FMI 0 engine speed high, ...After about 200 miles the orange engine light came on. All temps and pressures on the dash remained the same as did engine performance. Finished last 50 miles to destination without issues. Code is spn 3490 fmi 7, which remains after engine restart. Initial basic research seems to suggest Purge AIR ACTUATOR, but not sure what that is/means.What is fault code 5443 fmi 13 - Cars & Trucks question. Search Fixya. Browse Categories Answer Questions ... 2010 International Maxforce 13 The Cluster Panel yellow Warning and TC iCONS keep Appearing Along With SPN 1808 And FMI 2 Codes What Are They and how can i clear them for good. You must have the codes diagnosed the parts needed replace ...Cascadia 2021 DD15, Spn 3598 fmi 4, Spn 521027 fmi 9 , Spn 5443 fmi 0 spn 3719 fmi 31, Not doing regen, temp stays around 400 F ... My freightliner cascadia lost throttle going uphill fully loaded and eventually stalled. I got codes spn 639 fmi 7 and spn 625 fmi 14.Cummins ISB6.7 CM2350 (2013-17) Fault Code: 6245 PID: SPN: 4094 FMI: 11 NOx Limits Exceeded Due to Insufficient Reagent Quality – Condition Exists. The diesel exhaust fluid quality is not sufficient enough to provide adequate NOx reduction. CumminzM-F. Weekend 2-3 pm CST for the day. SPN 3675 FMI 7, Engine Turbocharger Compressor Bypass Valve Position. wastegate is frozen, solenoid not working stuck. Check airlines and wire harness to that solenoid. If this is the OEM turbo, I suggest replacing it with a reman Turbo. Wayne.Fault Code: 2375. PID (P), SID (S): P412. SPN: 412. FMI: 3/3. Lamp: Amber. REASON: Exhaust Gas Recirculation Temperature Sensor Circuit - Voltage Above Normal or Shorted. to High Source. High signal voltage detected at EGR temperature circuit. EFFECT: EGR valve actuation will be disabled.SPN 641 FMI 13. The corresponding Cummins code for this fault code is 2449 and all it says is- "Engine Variable Geometry Turbocharger Actuator #1" and "VGT Actuator Controller - Out of Calibration". The different action for this code is that the red warning light will be triggered.2016 Freightliner Cascadia. fault code TxId: 61 SPN: 5443 –. 2016 Freightliner Cascadia.fault code TxId: 61 SPN: 5443 – Aftertreatment 1 Hydrocarbon Dosing System FMI: 15 (High—least severe) Count: … read more. BryanC0506.If no fault comes up, then the problem has been solved. If you see the 520363 fault code along with the SPN 3223 FMI 7 code, then that means "Selective Catalyst Reduction Inlet NOx Sensor Circuit Failed Open.". What that stands for is that the sensor has failed completely and you need to replace it.ECM shows an active SPN 27 FMI 7. NOTE: This concern is currently under investigation and the contents of this article are subject to change at a later date! SYMPTOMS Check engine light is on. POSSIBLE DIAGNOSTIC TROUBLE CODES PARTS INFORMATION 7092735C93 KIT, EGR VALVE RESOLUTION Replace the EGR valve Warranty Claim20 = Data Drifted High (rationality high) 21 = Data Drifted Low (rationality low) 22 to 30 = Reserved for SAE Assignment. 31 = Condition Exists. Get information about Suspect Parameter Number (SPN) and Failure Mode Identifier (FMI) fault code list and read descriptions before engine troubleshooting diy process.After about 200 miles the orange engine light came on. All temps and pressures on the dash remained the same as did engine performance. Finished last 50 miles to destination without issues. Code is spn 3490 fmi 7, which remains after engine restart. Initial basic research seems to suggest Purge AIR ACTUATOR, but not sure what that is/means.Mack MP8 motor with codes SA 0, SPN 5443 & FMI 7. 2013 Mack. the yellow engine light and the lightning bolt lights are on. Mike Mcmillan. Triage Tech/Shop Foreman.Oct 23, 2023 · ATS Status says service brake N/A Also neutral, system timeout, exhaust temp, vehicle speed below all saying N/A. Any ideas what those means. Also still have code spn 5443 fmi 7 and spn 3216 fmi 13. … read moreSPN 2659 (MCM) (EPA10;GHG14) September 2014 Additions, Revisions, or Updates Publication Number / Title Platform Section Title Change DDC-SVC-MAN-0084 EPA10/ GHG14 DD Platform SPN 2659/FMI 0 - EPA10 - GHG14 This is an updated section for software and further hardware checks. 9 19-14 All information subject to change without notice. 3SPN 633 FMI 5 (Pending/Active) FPCV open load / circuit Customer Observations or Concerns: Malfunction Indicator Light - Power Loss - Inoperable Engine IK1201213 MaxxForce 7 DTC 3055 Fuel System Diagnostics Page 1 of 13We have a 2015 freightliner cascadia, dd15 engine, codes spn 5357 fmi 16, spn 102 fmi 18, the shop 50 miles down the road baked the dpf filters made it to here and truck derated, started a regen and t … read moreThat pesky hiding place near your car's rear fenders is known as the blind spot. Read about how to adjust your car's mirrors to minimize your blind spot. Advertisement "Oh, come on...SPN 520328 FMI 7 Diesel Exhaust Fluid System has Been Over-Pressurized SPN 520329 FMI 31 Non Diesel Exhaust Fluid Flow Situation SPN 520332 FMI 17 Diesel Oxidation Catalyst Inlet Temperature Out of Range Low Preventing HC DosingSPN 4334 FMI 7 EPA10 DD15 Engines Discussion in 'Freightliner Forum' started by mhyn, Nov 28, 2019. Nov 28, 2019 #1. mhyn Road Train Member. 4,255 4,503. Dec 29, 2008 Northridge, CA 0. I want to share my story about repair of this code. The driver called my a week ago and told me that on uphills this code pops up.Spn 6985. FMI 7, OC1, SA33 are codes that popped up on my 2021 Fleetwood discovery with a check engine light- just got - Answered by a verified RV Mechanic ... FMI 7, OC1, SA33 are codes that popped up on my 2021 Fleetwood discovery with a check engine light- just got through the Smokey mountains in Tennessee.Start and bring engine up to operating temperature (over 140°F/60°C). Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313-592-5800. EPA07 DD15 Troubleshooting Guide - DDC-SVC-MAN-0029.Validation. Connect all components. Connect the recommended Cummins® electronic service tool or equivalent. Disable the fault code. Operate the engine within the "Conditions for Clearing the Fault Code" found in the Overview section of the troubleshooting procedure. Verify that the fault code is no longer active.2014 Volvo VNL 670 529,000 miles Fault Code SA 0 SPN 723 FMI 7 looking to buy this truck this is the only code truck runs good worried about this though. Answered in 4 minutes by: 3/18/2022. ... I have SA 0 SPN 5443 FMI 7 code on it and it looks like the def fluid is not draining. ...Home / DTC TRUCKS / VOLVOUU / All Engines (2010 Emissions) / VOLVOUU All Engines (2010 Emissions) Fault Code: SPN 5443 FMI 10 PID: PPID 329 Aftertreatment 1 ... SPN 3840 FMI 3 (CPC) Frequency Output 4 15 – Failed High on Pin 15 Circuit of the Common Powertrain Controller #4 Connector. Add to cart. DD16 GHG14 (2014-16) Detroit DD16 …Paccar M13. Active code SPN 1231 FMI 8 - engine Fault CAN bus 2 abnormal frequency or pulse width or period. Engine fails to start intermittently. Answered in 5 minutes by: Technician: Nich M. Nich M., Cummins/Caterpillar Technician. Category: Medium and Heavy Trucks.Connect DDDL/DDRS 7.08 SP2. Turn the ignition ON (key ON, engine OFF). Check for multiple codes. If other faults are active in addition to SPN 3250/FMI 2, troubleshoot the other faults first. If only SPN 4360/FMI 10 is present, Go to step 4. To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface ...Spn 4794 fmi 31 spn 4349 fmi 7. Check engine light on and dpf light on gauge for dpf is on half - Answered by a verified Technician. ... 2018 freightliner cascadia dd15Fault code Spn 4374 fmi 0 Spn 521049 fmi 31 Spn 521052 fmi 31 Spn 5443 fmi 15 Spn 647 fmi 5 ...Where On A Volvo Truck The AHI Module is located, Where To Locate the Pressure Regulator on a Volvo Truck, 0 spn 5443 fmi 13, MID 128 PPID 328 FMI 7, MID 128 PPID 329 FMI 7, SA 0...SPN 97 - FMI 4 (Fault Code 429) SPN 97 - FMI 15 (Fault Code 418) Blog.Teknisi. Subscribe to receive free email updates: 3 Responses to "SPN 97 - FMI 3 (Fault Code 428)" Unknown Wednesday, June 19, 2019 at 2:36:00 AM PDT. How can I remove the fault code from the ecm- SPN97 FAULT CODE 428 .SPN 3480 (MCM) (EPA07;EPA10;GHG14) March 2015 Additions, Revisions, or Updates Publication Number / Title Platform Section Title Change DDC-SVC-MAN-0084 DD Platform SPN 3480/FMI 2 - EPA07 - EPA10 - GHG14 Step 8 was changed to refer tech to 3480/1 troubleshooting. Troubleshooting updated to lead tech to replace the Fuel Doser Injection Valve.Engine code (128) SA-0. SPN-5443. FMI-13. Test drove this truck & check engine light came on after I pulled these active faults upApr 14, 2024 · Any ideas what those means. Also still have code spn 5443 fmi 7 and spn 3216 fmi 13. … read more I have a 2013 international CE series bus. With a maxxforce DT diamond logic controller epa 10 8 CYL. Has 2 codes . Spn 1692 fmi 0. Engine desired absolute intake manifold pressure (turbo boost limit).. second code is spn. 3719 fmi 16.I have a 2015 Freightliner LP engine Propane truck. The code it's throwing is SPN4238 FMI-7. Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. The Heavy Truck Mechanic I'm going to connect you with knows all the tricks and shortcuts. When will someone know when someone will get with us.Make sure that it is not in the power-take-off modeShift the transmission out of neutral and then back into neutral.Shift the parking brake from OFF to ONPress and release the clutch pedalHold the DPF switch to the ON position for five continuous seconds then let go. At this point, the engine speed will ramp up (RPM increase), and the DPF ...Feb 28, 2022 · SPN 5927 (MCM) (GHG17) SPN 5927 (MCM) (GHG14) September 2016 Additions, Revisions, or Updates Publication Number / Title Platform Section Title Change DDC-SVC-MAN-0191 GHG17 DD Platform SPN 5927/FMI 7 - GHG17 Updated GHG17 HD diagnostic procedures DDC-SVC-MAN-0084 GHG14 DD Platform SPN 5927/FMI 7 - …SAE - 5443 - Mechanical system not responding or out of adjustment SPN 5443 7. This is an indication of a plugged DPF filter in need of replacement or service. Try a parked Regen and if restricted, get the fault codes to why and if only this fault service your DPF system and Filter.Cummins ISB6.7 CM2150 (2007-09) Fault Code: 2182 PID: SID 79 SPN: 1072 FMI: 3 Engine Brake Actuator Driver 1 Circuit – Voltage Above Normal or Shorted to High Source. High voltage or open circuit detected at the engine brake solenoid number 1 signal circuit.Fault Code: 451. PID (P), SID (S): P157. SPN: 157. FMI: 3. Lamp: AMBER. SRT: ISB with CM2150 - Fuel Rail Pressure Sensor Circuit. REASON: Injector Metering Rail Number 1 Pressure Sensor Circuit - Voltage Above Normal or Shorted to High Source. High signal voltage detected at rail fuel pressure sensor circuit.. TxId: 0 SPN: 27 - Engine Exhaust Gas Recirculation 1 Valve • For support with a warrantable fault/fault code, please submit an Fault Code: 281. PID (P), SID (S): S126. SPN: 1347. FMI: 7. Lamp: Amber. REASON: Fuel Pump Pressurizing Assembly 1 - Mechanical System Not Responding Properly or Out of Adjustment. A pumping imbalance between the front and rear pumping plungers has been. detected. EFFECT: Engine will not run or possible low power.Rest assured that they'll be able to help you. Also had code spn1067 fmi11 replaced brake pressure sensor #1 and that code went away but still got fmi 7 on. Hello, my name is*****’d like to help you today. Experts are users on the site just like you, we come on to help when time allows. Sorry to hear you’re having trouble with your Volvo, I ... Line Heater 2 Open Circuit. Show/Hide Checkboxes. Check for multiple c Cummins ISB6.7 CM2350 (2013-17) Fault Code: 3446 PID: SPN: 3222 FMI: 5 Aftertreatment Intake Gas Sensor Heater- Current Below Normal or Open Circuit. Circuit Description The aftertreatment intake NOx (nitrogen oxides) sensor is a smart device and communicates with the engine control module (ECM) via the J1939 data link. SPN 5443 (ACM)(GHG17) and SPN 520372 (ACM)(GHG17) Ma...
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