2 SPN 3251/FMI 0 - EPA07. This diagnostic is typically Diesel Particulate Filter (DPF) Pressure Out of Range Very High. This fault code sets when the DPF outlet pressure is greater than 35 kPa (5 psi) for more than 10 seconds. Table 1. SPN 3251/FMI 0 Description Diesel Particulate Filter (DPF) Pressure Out of Range Very HighThe Bank of Japan is set to meet Thursday on interest rates for the first time under new leader Kazuo Ueda, who is likely to maintain a steady monetary policy for now, though all e...Hilton is offering double meeting planner points for events booked by the end of 2022, taking place before the end of March 2023. We may be compensated when you click on product li...1. Check for multiple fault codes. Are SPN 3242/FMI 3, 4, 8 or SPN 3250/FMI 3, 4, and 8 present? a. Yes; repair those faults first. b. No; Go to step 2. WARNING: PERSONAL INJURY Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer, birth defects, and other reproductive harm.1149 3251 2 Abgasnachbehandlung 1 Dieselpartikelfilter (DPF) Differenzdruck Sensor - Daten Unregelmäßig, Nicht Berechenbar oder Nicht Korrekt Aftertreatment 1 Diesel Particulate Filter Differential Pressure - Data Erratic, Intermittent or Incorrect 0 1150 3251 0 Abgasnachbehandlung 1 Dieselpartikelfilter (DPF) Differenzdruck SensorSPN 3251/FMI 0 Description DPF Pressure Out of Range Very High Monitored Parameter Exhaust Pressure Typical Enabling Conditions Always on Monitor Sequence None Execution Frequency Continuous when enabling conditions met Typical Duration 2 Seconds Dash Lamps MIL, CEL, SEL Engine Reaction Derate 25% Verification Parked Regen. 1.PACCAR PX-9 CM2350 (2013-17) Fault Code:3634 PID: SPN:5484 FMI:4 Engine Fan Clutch 2 Control Circuit - Voltage Below Normal or Shorted to Low Source DTC TRUCKS Rated 0 out of 5Nov 12, 2015 · MID 128 SID 81 FMI 5 Aftertreatment 1 Particulate Trap Differential Pressure Current Below Normal Or Open Circuit SA 0 SPN 3251 FMI 5 Particulate Trap Inlet Pressure Data erratic, intermittent, or incorrect MID 128 PID 81 FMI 2About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...The 3936 fault is linked to high differential pressure in the dpf. The 1569 fault is an indication of the severity of the fault. With these 2 faults together it means that either the dpf needs cleaned out or there is an issue with the dpf dps or tubesInsite is the Cummins pc program. Ok. It is 10 below zero..3251/0 EPA10 DPF pressure out of range, very high. 4 Replies. DESCRIPTION: This Fault Code Sets when the Diesel Oxidations Catalyst (DOC) Inlet Pressure is 35 kPa (5 psi) Greater Than the Diesel Particulate Filter (DPF) Outlet Pressure for more than 10 Seconds. The ACM monitors the DOC inlet pressure sensor & DPF outlet pressure sensor.spn 3251 fmi o says 3251-0 implausible or missing signal. 2015 kenworth esn 73886896 vin *****, within 20 seconds of start up STOP ENGINE IMMEDIATELY warning comes up along with check engi … read moreHello 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 what do these code mean? ... Can you please tell what can be the problem. i have 2 codes, hello. can you please tell what can be the problem. i have 2 codes, spn 5443 fmi 7 and 5443 fmi 13 ...SPN 3251 FMI 21. 958 1 DIAGNOSTIC TROUBLESHOOTING PROCEDURES 0000046718 Figtre271 DPFDP Sensor Location (Wpical) 1. Diesel Particüate Filter Differential Pressure (DPFDP) sensor 2. DPFDP sensor hose . step 3 1 DIAGNOSTIC TROUBLESHOOTING PROCEDURES 959A. FMI 2, Data Erratic is given when the ECU does not see any J1939 messages and is not ableto communicate on the J1939 network. This is typically a result of a problem in the wiring, i.e., shorted high or low, or the ECU may be totally disconnected from the J1939 data link. When an ECU detects this situation, it should set the fault code FMI 2.13ts15rev epa10 diesel oxidation catalyst (doc) face plugging and code spn 3251/fmi 2 - doc inlet pressure sensor not plausible. View This TSB. TSB Number: 0101-15 NHTSA Number: 10142316 TSB Date: January 1, 2015 Date Added to File: June 25, 2018 Failing Component: Engine And Engine Cooling:Exhaust System Summary: 0101-15 spn 4364 (acm) (epa10 ...Fault Code: 433. PID (P), SID (S): P102. SPN: 102. FMI: 2/2. Lamp: Amber. REASON: The intake manifold pressure sensor is reading an erratic value. EFFECT: Engine power derate. Circuit Description: The engine control module (ECM) provides a 5 volt supply to the intake manifold pressure sensor on the sensor supply circuit.Cummins ISB6.7 CM2150 (2007-09) Fault Code: 1883 PID: SID 324 SPN: 3251 FMI: 2 Aftertreatment Diesel Particulate Filter Differential Pressure Sensor – Data Erratic, Intermittent, or Incorrect. The aftertreatment diesel particulate filter differential pressure sensor is reading an erratic value at initial key-ON or during engine operation.Dec 26, 2021 · Cummins ISB6.7 CM2150 (2007-09) Fault Code: 1883 PID: SID 324 SPN: 3251 FMI: 2 Aftertreatment Diesel Particulate Filter Differential Pressure Sensor – Data Erratic, Intermittent, or Incorrect. The aftertreatment diesel particulate filter differential pressure sensor is reading an erratic value at initial key-ON or during engine operation.SPN 3251 FMI4 - Free download as PDF File (.pdf), Text File (.txt) or read online for free. maxxforceworking on 2015 freightliner has code spn 4364 fmi 18,spn 3556 fim 18,spn 3364 fmi 2 and spn 3556 fmi 1 remove the injector and clean it.but look at the exhuast pipe … read more DeonH0822SPN: 3251 FMI: 0/2. Aftertreatment Diesel Particulate Filter Differential Pressure Sensor - Data Erratic, Intermittent, or Incorrect. The aftertreatment diesel particulate filter differential pressure sensor is reading an erratic value at initial key ON or during engine operation.Possible reduced engine performance.2. CEL 3. SEL. ENGINE REACTION: Derate 25%. VERIFICATION: Run engine between 1200 to 1800 rpm with a load less than 10%. PROBABLE CAUSES: 1. Inspect all connections upstream of the MCM - DPF inlet pressure sensor, ATD harness 10-pin connector, VIH 31-pin connetor, and MCM 120-pin connector. 2. DPF inlet pressure sensor. 3. DPF inlet pressure ...Plugged aftertreatment differential pressure sensor tubes could cause this fault code if pressure is held in the tube after the engine is turned off. Fault Code: 1922. PID: S324. SPN: 3251. FMI: 0/0. Aftertreatment Diesel Particulate Filter Differential Pressure - Data Valid but Above Normal Operational Range - Most Severe Level.Jan 7, 2023 · On 1/7/2023 at 7:19 AM, Frank McElroy said: You would need the Cummins Insite software to do a stationary Regen. Also, you should use large fans to cool the fiberglass around the DPF during a stationary Regen. However, something is generating soot. Other trouble codes need to be checked.Cummins ISX11.9 CM2250 (2010-12) Fault Code: 319 PID: 251 SPN: 251 FMI: 2 Real-Time Clock Power Interrupt- Data Erratic, Intermittent, or Incorrect Cumminz Rated 0 out of 5I'll be assisting you with this issue today. Your Question is as important to us as it is to you. I am sorry to hear you are having this issue. I go offline between 3-4 Pm CST. M-F. Weekend 2-3 pm CST for the day. No, 3246 fmi 2 is Def outlet temp too high, clogged Def soot, or muffler. Code 3246 fmi 15 is the Nox, outlet temp sensor.Home / DTC TRUCKS / Detroit / DD16 EPA10 (2010-13) / Detroit DD16 EPA10 (2010-13) Fault Code: SPN 3251 FMI 2 (ACM) Diesel Oxidation Catalyst (DOC) Inlet Pressure – Not Plausible. DOWNLOAD Detroit Diesel Switcher Tool + Video Manual $ 15.00 Add to cart. DOWNLOAD NEXIQ eTechnician 2.1.7657.26963 + Patch 20202018 kenworth t680 paccar mx13 epa 17 codes spn-2791 fmi11 spn-3251 fmi15 spn-3251 fmi16 spn-3821 fmi 11 - Answered by a verified Technician. By chatting and providing personal info, ... SPN 412 FMI 0, and SPN 3251 FMI 15 on a 2019 PEterbilt 567 #270162. ...SPN:3516 FMI:1,2,3,4,12, and 19 SPN:3515 FMI:3,4,5,6,10,11,20, and 21 Verify sensor is working correctly before replacing or installing boot kit using the following steps: DIAGNOSTIC STEP(s) StepAction Decision 1 DIAGNOSTIC: Check DEF with refractometer. Is DEF concentration between 30-34%? Yes. Go to Step 2. No. Drain DEF and refill with new DEF.Title: 233-14 Subject: SPN 51/FMI 2 - All Years Keywords: DD13, DD15, DD16, MCM, CAC, ITV Created Date: 2/25/2014 1:14:47 PMThe code on J 1939 is Tipe A - ECU 11 - SPN 1807 FMI 2 count 127. Show More. Show Less. Ask Your Own Medium and Heavy Trucks Question. Share this conversation. ... Have a 2009 International Prostar sleeper Cat c-13 vin 2HSCUSBR60C124232 With codes spn 3251 FMI 2 And spn 3242 fmI 2 any help ...The diagnostic procedures have been updated to check both the DOC inlet pressure sensor and the DPF outlet pressure sensor. A temperature check has been added to determine if the restriction is in the DOC or the DPF. SPN 3251/FMI 16 -EPA10. 2 SPN 3251/FMI 0 - GHG14. 0 - GHG14. Diesel Particulate Filter Pressure Out of Range Very High. Table 1.Using the Detroit Diesel Diagnostic Link Software to perform the 4.5 to 5 HOUR, yes I said HOUR. DOC face plug cleaning procedure. After doing the necessary ...Trouble Code (DTC) list for SPN 3251 FMI 2, 3 and 4 (DPFDP/outlet pressure). Is EST DTC list free of SPN 3251 FMI 2, 3 and 4? Yes: Go to step 4 No: Repair SPN 3251 FMI 2, 3 and 4. After repairs are complete, retest for SPN 5397 FMI 31. StepAction Decision 4 Using terminal test kit, inspect connections at Diesel ParticulateCodes Spn 3251 fmi 16 Spn 102 fmi 18 Spn 102 fmi 2 Spn 5397 fmi 31 Spn 5019 fmi 2 Spn 157 fmi 18 Spn 1569 fmi 31 Spn 4364 fmi 18 Mid 136 sid 6 fmi 7. Show More. Show Less. Ask Your Own Medium and Heavy Trucks Question. Share this conversation. Answered in 1 minute by: 3/24/2022.Cummins ISB6.7 CM2150 (2007-09) Fault Code: 2639 PID: SID 324 SPN: 3251 FMI: 0 Aftertreatment Diesel Particulate Filter Differential Pressure – Data Valid But Above Normal Operating Range – Least Severe Level. The soot load of the aftertreatment diesel particulate filter has exceeded the recommended limits.View My Bookmarks 20 2 Title: SPN 3251 FMI 2 & 21 DPFDP above or below desired level diagnostics Applies To: 2010 + MaxxForce DT, 9, 10, N9 & N10 (ESN 3,300,000 and later) CHANGE LOG NOTE: DO NOT delete this Change Log. If this iKNow Article is being revised, please type in the text box below what has changed in the article.I have freightliner 2014 ,it shows engine light Emission problem detected spn 3238 fmi 2 What is this can I go up down - Answered by a verified Technician. ... I have a freightliner cascadia Vin 1fujglbg2dsbx2662 cumming isx serial # ***** I gor a falt code spn 321 fail 0 and then a falt code spn 3251 fail 0. With a stop engine red lite .Title: 233-14 Subject: SPN 51/FMI 2 - All Years Keywords: DD13, DD15, DD16, MCM, CAC, ITV Created Date: 2/25/2014 1:14:47 PMCODES: Fault Code: 1676. PID (P), SID (S): None. SPN: 3249. FMI: 2/2. REASON: Aftertreatment Exhaust Gas Temperature 2 - Data Erratic, Intermittent, or Incorrect. The. aftertreatment diesel particulate filter inlet temperature sensor is not changing with engine operating conditions. EFFECT: Active aftertreatment diesel particulate filter ...I have codes SPN 1787 FMI 11, SPN 3821 FMI 11, SPN 2791 FMI 11, SPN 412 FMI 0, and SPN 3251 FMI 15 on a 2019 PEterbilt 567 #270162. … read more. Nich M. Cummins/Caterpillar Techni... Vocational, Technical or Tra... 8,722 satisfied customers. I have 2018 Peterbilt 579 Paccar Mx 13. A few days ago I got.This document will guide the user through necessary steps to properly diagnose active SPN 3251 FMI 21. SYMPTOMS Diagnostic Trouble Codes: DTC/Light Description Status SPN 3251 FMI 21 DPFDP excessively low ANY Customer Observations or Concerns: - Check engine light - SPN 3251 FMI 21 ­ Black Smoke - Exhaust Fumes in Cab SPECIAL TOOLS / SOFTWAREThere are a variety of ways to connect to the Internet, each with benefits and drawbacks. Each connection has its own average connection speeds. Dial-up is typically slowest, follo...2) use Box blue def. 3) Put cardbord in front of radiator grill to warm my coolant. I was start drving without making my truck enough warm in coold weather. so I cover my front of radiator which is making my truck warm. 4) On uphill or downhill use lower gears to make oil pressure go up.A discussion thread about the spn 3251 fmi 2 engine code for the 2013 MaxxForce International truck. Users share their experiences, tips, and issues with the engine, such as dpf, egr, and snap rest.Cummins ISX15 CM2250 (2010-12) Fault Code: 3135 PID: SPN: 3610 FMI: 2 Aftertreatment Diesel Paticulate Filter Outlet Pressure- Data Erratic, Intermittent, or Incorrect Circuit Description The engine control module (ECM) provides a 5 volt supply to the aftertreatment diesel particulate filter outlet pressure sensor on the sensor supply circuit.A list of SPN/FMI to "P" codes is provided in Table 1. They are sorted by SPN, then FMI, and the third column is the "P" code that Yanmar uses in their manuals. ... 3251 0 P2452 DPF differential pressure sensor differential pressure abnormal high 3251 3 P2455 DPF differential pressure sensor fault (High voltage)MID 128 SID 81 FMI 5 Aftertreatment 1 Particulate Trap Differential Pressure Current Below Normal Or Open Circuit SA 0 SPN 3251 FMI 5 Particulate Trap Inlet Pressure Data erratic, intermittent, or incorrect MID 128 PID 81 FMI 22 SPN 3251/FMI 20 - GHG17 Diesel Oxidation Catalyst Inlet Pressure - Not Plausible Table 1. SPN 3251/FMI 20 Description Diesel Oxidation Catalyst (DOC) Inlet Pressure Sensor - Not Plausible Monitored Parameter Exhaust Pressure Typical Enabling Conditions Always On Monitor Sequence None Execution Frequency Continuous When Enabling …343.3 SPN 3251/FMI 2 - EPA10. Diesel Oxidation Catalyst (DOC) Inlet Pressure - Not Plausible. SPN 3251/FMI 2. DescriptionThis Fault Code Sets when the Pressure Drop between the Diesel Oxidation Catalyst (DOC) Inlet Pressure or Diesel Particulate Filter (DPF) Outlet Pressure Is Not Within an Expected Value.Volvo All Engines (2010 Emissions) Fault Code: SPN 3251 FMI 5 PID: Aftertreatment DPF Differential Pressure The function identifies and indicates malfunction of the aftertreatment diesel particulate filter (DPF) by analyzing the pressure drop over the aftertreatment DPF. This is done by making a check for deviation between sensor value and a ...This is a red lamp producing fault. Which is an engine protection issue. For this fault to clear it will take 1 of 3 things. Either a recal or the engine ecm, a stationary regen to allow the ecm to see that the dpf is working the way it should, or a diagnostic mode road test where it will run a passive regen.Fault Code: 1881 is spn 3251 fmi 4. Aftertreatment Diesel Particulate Filter Differential Pressure Sensor Circuit - Voltage Below Normal or Shorted to Low Source. This is the first fault to diagnose and figure out what is wrong . Once this one is resolved , it will automatically fix the 4795-31. Circuit Description.PACCAR PX-9 CM2350 (2013-17) Fault Code:3634 PID: SPN:5484 FMI:4 Engine Fan Clutch 2 Control Circuit - Voltage Below Normal or Shorted to Low Source DTC TRUCKS Rated 0 out of 5. Allison 1000 & 2000 Gen 4 Fault Codes: P0123 Pedal Position Sensor Circuit High VoltageCODES: Fault Code: 1667. PID (P), SID (S): None. SPN: 3241. FMI: 2/2. REASON: Aftertreatment Exhaust Gas Temperature 1 - Data Erratic, Intermittent, or Incorrect. The. aftertreatment diesel oxidation catalyst inlet temperature sensor is not changing with engine operating conditions. EFFECT: Active aftertreatment diesel particulate filter ...Hello I have a international maxxforce dt 9/10 year 2014 Now I have spn 3936 fmi 2 , 3251 fmi 2 and 3251 fmi 21 the two first one are healing and the last one pending and mi check engine is on , we re … read more1894: click here. Click the link above for the information. The 1569-31 is a torque derate due to the other fault. The 641-9 is Cummins fault code 1894. If the fault is active it is likely a faulty VGT actuator. It could also be a wiring issue. If the fault is inactive it could also be due to a battery issue.91.1 SPN 2629/FMI 3 This condition is typically open circuit or short to power. 91.1.1 Open Circuit/Short to Power Check Check as follows: 1. Turn the ignition ON (key ON, engine OFF). 2. Check for multiple codes. [a] If codes 1636/3, 2629/3 and 412/3 are active at the same time, go to step 3. [b] If only fault 2629/3 is active, go to step 5. 3.I have codes SPN 1787 FMI 11, SPN 3821 FMI 11, SPN 2791 FMI 11, SPN 412 FMI 0, and SPN 3251 FMI 15 on a 2019 PEterbilt 567 #270162. … read more. Nich M. Cummins/Caterpillar Techni... Vocational, Technical or Tra... 8,722 satisfied customers. I have 2018 Peterbilt 579 Paccar Mx 13. A few days ago I got.Get ratings and reviews for the top 10 lawn companies in Olathe, KS. Helping you find the best lawn companies for the job. Expert Advice On Improving Your Home All Projects Feature...SPN 6653 FMI 18 Engine Fuel 1 Injector Metering Rail 1 Cold Start Pressure : Data Valid But Below SPN 132 FMI 21 Engine Intake Air Mass Flow Rate: Data Drifted Low. SPN 3251 FMI 15 Aftertreatment 1 Diesel Particulate Filter Differential Pressure : Data Valid But Above Normal Operating Range - Least Severe Level. SPN 3482 FMI 7MX13 spn 3251 fmi 16. I take care of a peterbilt with a mx13, it keeps throwing code 3251/16 for dpf differential pressure data valid but above normal range. Previously, I found the doc I let temp sensor was unscrewed and just resting in its hole. I figured that would cause a pressure difference, so I put that back in and regened it, code went ...Nov 12, 2015 · MID 128 SID 81 FMI 5 Aftertreatment 1 Particulate Trap Differential Pressure Current Below Normal Or Open Circuit SA 0 SPN 3251 FMI 5 Particulate Trap Inlet Pressure Data erratic, intermittent, or incorrect MID 128 PID 81 FMI 2341.3 SPN 3251/FMI 16 - EPA07. Diesel Particulate Filter Pressure Out of Range High. This fault code sets when the Diesel Particulate Filter (DPF) outlet pressure is greater than 30 kPa (4.2 psi) for more than 10 seconds. SPN 3251/FMI 16. DescriptionDPF Pressure Out of Range High. Monitored ParameterDPF Outlet Pressure SensorYes, SPN 3936 FMI 0, 2 and 8; and SPN 3719 inactive. End Diagnostics. No: Go to Step 4. Step Action Decision 4 Using EST with ServiceMaxx™ software, Reset DPF soot load. Select: Sessions > Programming. ... 2013 mack gu 813Truck has fault codes spn 3251 fmi 0 (pid 81 fmi 0) Spn 3936 fmi 0 ...10/2010 international 4400 check engine and stop engine light on active codes SPN 3936 fmi 0 SPN 3251 FMI 2 Already replaced sensor at DPF, called Delta P sensor … read more Mike McmillanCummins ISX12 CM2250 (2010-12) Fault Code: 3429 PID: SID 254 SPN: 4346 FMI: 5 Aftertreatment Diesel Exhaust Fluid Line Heater 4 Circuit- Current Below Normal or Open Circuit Add to cart DD15 GHG14 (2014-16)Aug 10, 2018 · CODES: Fault Code: 1667. PID (P), SID (S): None. SPN: 3241. FMI: 2/2. REASON: Aftertreatment Exhaust Gas Temperature 1 - Data Erratic, Intermittent, or Incorrect. The. aftertreatment diesel oxidation catalyst inlet temperature sensor is not changing with engine operating conditions. EFFECT: Active aftertreatment diesel particulate filter ...SPN 3720/FMI 14 - (MCM) (GHG17) January 2017 Additions, Revisions, or Updates Publication Number / Title Platform Section Title Change DDC-SVC-MAN-0191 GHG17 - DD Platform SPN 3720/FMI 14 - GHG17 This is a new diagnostic procedure for GHG17 only. DiagnosticLink users: Please update the troubleshooting guides in DiagnosticLink with this newest ...MID 128 SID 81 FMI 5 Aftertreatment 1 Particulate Trap Differential Pressure Current Below Normal Or Open Circuit SA 0 SPN 3251 FMI 5 Particulate Trap Inlet Pressure Data erratic, intermittent, or incorrect MID 128 PID 81 FMI 2post full codes. it must be in this format spn xxxx fmi (or fail) xx. Codes are as follows. EEC 61 spn4364 fail 18. EEC 61 spn3251 fail 16. Eng1 spn 2631 fail1. Eng1 spn411 fail1. Cab33 spn520702 fail4. The last code is a new one just appeared this morning. Sorry to be so long responding, a lot going on, lol..Home / DTC TRUCKS / Cumminz / ISX15 CM2250 (2010-12) / Cummins ISX15 CM2250 (2010-12) Fault Code: 1883 PID: SID 324 SPN: 3251 FMI: 2 Aftertreatment Diesel Particulate Filter Differential Pressure Sensor- Data Erratic, Intermittent, or Incorrect6.7 Cummins out of a 4500 freight liner the truck is at my storage right know don't know the engine #. Technician: cumminsdr. Cummins Fault Codes for SPN: 3241 FMI: 2. Fault Code. Lamp Color. Description. 1667. Amber. Aftertreatment Exhaust Gas Temperature 1 - Data Erratic, Intermittent, or Incorrect.• SPN 94 FMI 0, 3, and 4 (FDP) • SPN 157 FMI 3, 4, 20, and 21 (FRP) • SPN 633 FMI 3, 4, and 5 (FPCV) Fault Facts. If there is evidence of metal in the fuel system, please refer to 7.1 Metal in Fuel System Symptom. Drive Cycle to Determine Fault Status. Road Test. Possible Causes •Restricted High-Pressure Fuel Pump (HPFP) fuel return lineBe the first to review "Cummins ISB6.7 CM2350 (2013-17) Fault Code: 2639 PID: SID 324 SPN: 3251 FMI: 15 Aftertreatment Diesel Particulate Filter Differential Pressure- Data Valid But Above Normal Operating Range- Least Severe Level" Cancel reply. Your email address will not be published.Diagnostic Code SPN 630 - FMI 2, also known as Calibration Memory: Erratic, Intermittent, or Incorrect, is an indication that one or more programmable parameters have not been properly programmed. The Engine Electronic Control Module (ECM) is responsible for detecting these faults. In such cases, the ECM may resort to using default torque ...SPN 157 FMI 18 Engine Fuel 1 Injector Metering Rail 1 Pressure Moderate SPN 2798 FMI 8 Engine Fuel 1 Injector Group 2 : Abnormal Frequency Or Pulse Width Or ... SPN 3251 FMI 15 Aftertreatment 1 Diesel Particulate Filter Differential Pressure : Data Valid But Above Normal Operating Range - Least Severe Level. SPN 3482 FMI 7 Aftertreatment 1 Fuel ...EPA10 Diesel Oxidation Catalyst (DOC) Face Plugging And Code SPN 3251/FMI 2 – DOC Inlet Pressure Sensor Not Plausible . ISSUE. Face plugging of the Diesel Oxidation Catalyst (DOC) is typically noted by code SPN: 3251/FMI 2 – DOC Inlet Pressure Sensor Not Plausible. A parked regeneration log file will usually identify when the DOC is plugged.2 SPN 51/FMI 10 - GHG14. This diagnostic is typically Intake Throttle Position Abnormal Rate of Change. This code sets when the Intake Throttle Valve (ITV) position is not within 30% of the commanded position during freezing conditions. Table 1. SPN 51/FMI 10 Description Intake Throttle Position Abnormal Rate Of Change