Spn 2003 fmi 31 allison

Allison® Transmission Control Module Setting Diagnostic Trouble Code P2637 (J1939 SPN 513 FMI 7) Warranty Statement The information in this document has no effect on present warranty coverage or repair practices, nor does it authorize TRP or Campaign actions. Contents Product Affected Engine: •B6.7 CM2350 B121B Issue Symptom:

Code 2003 fmi 19. 2014 freightliner M2 with cummins 6.7. Code 2003 fmi 19. Trans CAN message missing. Truck won't go into neutral to start and/or shift when it … read more. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals. 2012 Kenworth t340, cummins with a Allison 4th gen tcu codes. Spn 2003 fmi 31. Spn 4178 fmi 31 - Answered by a verified Technician. Detroit DD15 EPA07 (2007-09) Fault Code: SPN 3713 FMI 31 (MCM) High Idle Regeneration Aborted – Low Regeneration Temperature NOTE: The fault indicates that the high idle regeneration (HIR) was aborted due to the diesel oxidation catalyst (DOC) outlet temperature not reaching the expected target temperature to complete a HIR. Dec 15, 2023 · Hello, So I have an International 4400 with a 2500hs allison transmission and it's throwing the code Spn 2003 Fmi 31 SA 3 and it starts up normally and drives fine , but after about 1 mile it loses al … I see you just installed the transmission and the SPN 2003 FMI 31 could be from that. Recheck the transmission harness for that fault means there is a communication fault bewteeen the body controller and the transmission module. Specifially, the fault is loss of data link from the transmission controller.6 Comments. Allison Transmission 3000/4000 series fault code list – download PDF manual. See also: Allison Transmission PDF Service Manuals. Allison Transmission …Allison Transmission; Home » Fault Codes CUMMINS ISB ISC ISL ISBe ISDe and QSB3.3 CM2150 » SPN 110 - FMI 31 (Fault Code 2646, 2659) ... 0 Response to "SPN 110 - FMI 31 (Fault Code 2646, 2659)" Post a Comment. Newer Post Older Post Home. Subscribe to: Post Comments (Atom) Categories.

Now that we have defined the MID (Component) and PID (Data Types), we can talk about Failure Mode Identifiers (FMI). Every diagnostic trouble code (DTC) found will have an FMI. This code is set by the ECM detecting various problems such as too high voltage, under voltage, incorrect resistance, etc. So, here is a list of possible FMI values: 0 ...SPN 2003 is a diagnostic trouble code for bad connection between ECM and TCM. Troubleshoot: ECM, TCM wiring harness. Safety first: Before starting any work on your vehicle, disconnect the negative …[email protected]. 2022 Mack Trucks, Inc. Information is subject to change without notice. Page 1/2. • For assistance with normal service or technical related questions, please contact our Contractor Logistics Support (CLS) provider POCs:Dec 30, 2020 · Retarded Temperature Above Normal (SPN 120 - FMI 15) Transmission Oil Temperature Above Normal (SPN 177 - FMI 15) Unknown General Transmission Fault (SPN 2003 - FMI 31) 2). Open Allison DOC and connect to diagnostic port on Allison Transmission. Read More: How to Connecting ALLISON Transmission using ALLISON DOC Software. The fault code SPN 2003 on an Allison Transmission refers to "Transmitter Shaft Speed." ... i have a 2005 INT 4300 with DT466 and Allison 3000 series auto trans has two codes spn:2003 fmi:[31] count:127 and spn:613 fmi:[14] count:1 i just installed the trans ...

Cummins ISB4.5 CM2150 Fault Code: 3238 PID: SPN: 4340 FMI: 4 Aftertreatment Diesel Exhaust Fluid Line Heater 1 Circuit – Voltage Below Normal or Shorted to Low Source. Circuit Description The aftertreatment diesel exhaust fluid line heater 1 is controlled by the ECM, and receives power through the switch side of the diesel exhaust fluid line ... SPN 2003 FMI 31 is an Allison Transmission fault code that indicates a problem with the vehicle’s gearbox. Understanding this code is crucial for diagnosing and repairing transmission issues efficiently, ensuring smooth operation and safety on the road. These repair instructions are intended to address the following fault(s): DTC. Description. Possible Cause. Possible (Observable) Symptoms. SPN 3027 FMI 4. Transmission Fluid Level Sensor Circuit Low – Voltage Below Normal or Shorted Low. N/A. N/A.Cummins ISX15 CM2250 (2010-12) Fault Code: 1682 PID: SPN: 3362 FMI: 31 Aftertreatment Diesel Exhaust Fluid Dosing Unit Input Lines- Condition Exists Circuit Description The diesel exhaust fluid dosing unit input lines are responsible for transporting diesel exhaust fluid between the dosing unit, dosing valve, and diesel exhaust fluid tank.

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I have fault codes spn 1569 fmi 31 and fault code spn 5246 fmi 0 i understand thay r information codes only. i have the dealer program i have no other codes but i cant get them to clear Cummins Mechanic's Assistant: I understand that you have fault codes SPN 1569 FMI 31 and SPN 5246 FMI 0, and youre unable to clear them using the dealer program, …Sep 6, 2022 · I HAVE A 2005 4300 INTERNATIONAL WITH DT466 I HAVE CODE SPN…. The code is a data link communication fault indicating a drive train message time out exists. This is a loss of communication with the drivetrain control module. be sure to check all fuses and relays for any faulty ones as well as between your battery box and control modules for ... MID 130 PID 31 Range Cylinder, Position Type of fault: FMI Description: Fault Condition: Possible Symptoms: Possible Cause: FMI 3 • Voltage above nor-mal, or shorted to high source • Status from ASIC is short circuit to U-BATT • Slow gear changes • Yellow lamp is sent • N/A FMI 5 • Current be-low normal or open circuit • Status ... Bradey V. Certificate. 2011 international pro star, engine code meanings, reset in. 2011 international pro star, engine code meanings, reset in active codes 1) spn 27 fmi 7 oc87 sa 0 conn --- pin N/A2) spn 3981 fmi 2 oc 1 sa 33 Con … read more.Feb 14, 2019 · Jeremy. Diesel Diagnostic Technicia... Bachelor's Degree. 1,511 satisfied customers. International need help diagnosing runs trans light and. international need help diagnosing runs trans light and check engine light 7400 08-2010 ***************** active SPN 4177 FMI 17 SA 3 active SPN … read more. PACCAR PX-6 CM2150 (2007-09) Fault Code: 325 PID: SID 006 SPN: 656 FMI: 5 Injector Solenoid Driver Cylinder 6 Circuit – Current Below Normal or Open Circuit. High resistance or no current detected at cylinder 6 injector supply or return pin. DTC TRUCKS

2021 freightliner m2-106, getting transmission codes spn 2003 fmi 31, 5908-20, 5891-4. The truck is range inhibited, if I clear the codes it will run. Its range inhibited on the road and the driver wa ... Allison 3000 spn 2003 fm 19 shift indicator dead no start ...In accordance with new App Store guidelines, Apple removed 181 vape-related apps from the platform and is outright banning the inclusion of any vape-related apps or features in its...May 30, 2022 · Allison 1000/2000 Series TCM Pinouts. The Allison 1000/2000 Series TCM (Transmission control module) is a sophisticated on-board electronic control system that monitors and controls the operation of an Allison 1000 or 2000 Series transmission. This system includes a series of pins, which are used to connect different components in the transmission. Not sure what series of Allison you have, but make sure any connections around the trans are clean. Actually disconnect them and inspect the pins for any green. If you have a cable shifter, unplug that too at the trans and check those pins too. ... Spn:2003 Oc:39 Fmi:9 Sa:23 Conn----Pin:n/a Chimtech, Jun 6, 2017. Chimtech, Jun 6, 2017 #6 ...Detroit DD15 EPA10 (2010-13) Fault Code: SPN 3464 FMI 31 (MCM) Intake Air Throttle Control Electrical FaultBe the first to review “Cummins ISX15 CM2250 (2010-12) Fault Code: 3844 PID: SPN: 5605 FMI: 31 Cruise Control Pause Command- Condition Exists” Cancel reply Your email address will not be published.Usually reseating the electrical connectors on the transmission cures the problem. The other day after cleaning up an oil leak, it started acting up and now won't go in reverse and seems to be in 3rd gear for forward motion. It initially showed the first 2 faults of SPN: 2003 FMI: 31 and SPN: 5908 FMI: 21.• FMI=4 - Voltage Below Normal, Or Shorted To Low Source • FMI=5 - Current Below Normal Or Open Circuit • FMI=6 - Current Above Normal Or Grounded Circuit • FMI=7 - Mechanical System Not Responding Or Out Of Adjustment • FMI=8 - Abnormal Frequency Or Pulse Width Or Period • FMI=9 - Abnormal Update RateSpn 2003 fmi 31 source 3 06 mt45 step van. Freightliner mt 45. 387000. Not going into gear check trans and shift inhibit ... I have a 2010 International 4400 with a Allison transmission am getting a code spn 2003 source address 3 fmi 31 Vin # 1HTMKAAL8H273302 ANY help would be great ... 2013 international terrastar maxxforce 7 Allison transmission SPN: 2003 FMI: 31 SA:3 I was told to replace the TCM. I did. Was told the code went away. Went by the shop today and the code went away while the switch was ON but engine not started. I started the engine and the code came back.

2013 international terrastar maxxforce 7 no scanner pulled codes from cluster Spn 3359 fmi 31, ... I have an International 4400 with a 2500hs allison. Hello, So I have an International 4400 with a 2500hs allison transmission and it's throwing the code Spn 2003 Fmi 31 SA 3 and it starts up normally and drives fine , ...

Detroit DD15 EPA07 (2007-09) Fault Code: SPN 3713 FMI 31 (MCM) High Idle Regeneration Aborted – Low Regeneration Temperature. ... Allison $ 10.00. Rated 0 out of 5. SERVICE MANUAL Fuso FE & FG Series 1996-2001 FUSO $ 27.00. Rated 0 out of 5. SERVICE MANUAL BOBCAT 1213 sms BOBCAT $ 30.00.This week's episode dives into a new boxed wine startup and how its founders are hoping their product surpasses the category's stigma. Welcome back to Found, where we get the stori...Retarded Temperature Above Normal (SPN 120 - FMI 15) Transmission Oil Temperature Above Normal (SPN 177 - FMI 15) Unknown General Transmission Fault …ALLISON. 1000 & 2000 Gen 4; 1000 & 2000 Gen 5 ... ISB CM850 2003-06; ISB4.5 CM2150; 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; ... (2014-16) Fault Code: SPN 188 FMI 31 (MCM) Idle Speed is Higher Than Targeted Idle …In accordance with new App Store guidelines, Apple removed 181 vape-related apps from the platform and is outright banning the inclusion of any vape-related apps or features in its... [email protected]. 2022 Mack Trucks, Inc. Information is subject to change without notice. Page 1/2. • For assistance with normal service or technical related questions, please contact our Contractor Logistics Support (CLS) provider POCs: 18), 6767 (SPN 3521 FMI 31) Root Cause: • When the diesel exhaust fluid (DEF) level in the DEF tank is low, the DEF quality sensor is more susceptible to calculating the DEF concentration incorrectly. The miscalculation is the result of air bubbles created by the low level of DEF moving in the DEF [email protected]. 2022 Mack Trucks, Inc. Information is subject to change without notice. Page 1/2. • For assistance with normal service or technical related …Be the first to review “Detroit DD16 EPA10 (2010-13) Fault Code: SPN 3713 FMI 31 (ACM) High Idle Regeneration Aborted – Low Regeneration Temperature” Cancel reply Your email address will not be published.Cummins ISX15 CM2250 (2010-12) Fault Code: 3376 (X) PID: SPN: 5319 FMI: 31 Aftertreatment Diesel Particulate Filter Incomplete Regeneration- Condition Exists. Circuit Description The ECM calculates an estimated value of the soot load in the aftertreatment DPF using the aftertreatment DPF differential pressure sensor. ... Allison $ 60.00.

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2 SPN 521049/FMI 31 - GHG17 DEF Inducement DEF Lamp Active Table 1. 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 Quality, NOx Efficiency, Selective Catalyst Reduction (SCR) Harness and/or …Allison 3000 spn 2003 fm 19 shift indicator dead no start. Tested batteries, cleaned - Answered by a verified Technician. ... 2021 freightliner m2-106, getting transmission codes spn 2003 fmi 31, 5908-20, 5891-4. The truck is range inhibited, if I clear the codes it will run.Detroit DD15 EPA10 (2010-13) Fault Code: SPN 3464 FMI 31 (MCM) Intake Air Throttle Control Electrical FaultSPN 2003 is a diagnostic trouble code for bad connection between ECM and TCM. Troubleshoot: ECM, TCM wiring harness. Safety first: Before starting any work on your vehicle, disconnect the negative … Car Questions. Truck Repair. Spn 2003 Fmi 31 sa 3. 09 IC ce maxxforce 7. Im a mechanic…. Answered in 5 hours by: International and Isuzu trucks , International, Maxxforce, Cummins and Isuzu engines, Diagnostic and electrical troubleshooting specialist , Hvac and truck /trailer refrigeration troubleshooter. Ask Your Own Medium and Heavy Trucks ... Cummins ISB6.7 CM2350 (2013-17) Fault Code: 1993 PID: SPN: 4795 FMI: 31 Aftertreatment Diesel Particulate Filter Missing- Condition Exists Welcome to DTCTRUCK.COM ! Wrap new offers / gift every single day on Weekends – New Coupon code: DTCTRUCK2023Here you can find the latest products in different kinds of international truck fault codes list. Allison transmission code 2003, Sid 380 fault code, J1939 fault code, Spn fault codes, Spn 2003 fmi 31, Spn 5298 fmi 18, Sid 9 fmi 5, Sid 233 fmi 9, Sabic. Mar 07, 2012 · SPN: 94 FMI: 1: willism Advanced Member. Nearest wrench puller is 9 hours away.PACCAR PX-9 CM2350 (2013-17) Fault Code:3251 PID:S326 SPN:4765 FMI:0 Aftertreatment Diesel Oxidation Catalyst Intake Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level ….

B. Active Indicator. Indicates when a DTC is active. If a DTC is active, Allison DOC™ For PC–Service Tool displays Y. If DTC is not active, N is displayed. C. Historic. Indicates …Code SPN – 2003 FMI 31. 2009 Pete 335. This fault is voltage above normal - Communication link lost between TCM and ECM. Thoroughly check all fuses and relays. Verifying your TCM and ECM power and grounds as this can be related to a loss of power and ground causing a loss of communication between the modules. If the wiring checks …[email protected]. 2022 Mack Trucks, Inc. Information is subject to change without notice. Page 1/2. • For assistance with normal service or technical related questions, please contact our Contractor Logistics Support (CLS) provider POCs:This week's episode dives into a new boxed wine startup and how its founders are hoping their product surpasses the category's stigma. Welcome back to Found, where we get the stori... [email protected]. 2022 Mack Trucks, Inc. Information is subject to change without notice. Page 1/2. • For assistance with normal service or technical related questions, please contact our Contractor Logistics Support (CLS) provider POCs: • FMI=4 - Voltage Below Normal, Or Shorted To Low Source • FMI=5 - Current Below Normal Or Open Circuit • FMI=6 - Current Above Normal Or Grounded Circuit • FMI=7 - Mechanical System Not Responding Or Out Of Adjustment • FMI=8 - Abnormal Frequency Or Pulse Width Or Period • FMI=9 - Abnormal Update Rate [email protected]. 2022 Mack Trucks, Inc. Information is subject to change without notice. Page 1/2. • For assistance with normal service or technical related questions, please contact our Contractor Logistics Support (CLS) provider POCs: Get ratings and reviews for the top 12 foundation companies in Columbia, MO. Helping you find the best foundation companies for the job. Expert Advice On Improving Your Home All Pr...The Insider Trading Activity of Allison Eric on Markets Insider. Indices Commodities Currencies StocksCummins X15 CM2450 X124B (2018 & Newer) Fault Code: 5278 PID: SPN: 6802 FMI: 31 Aftertreatment 1 Diesel Exhaust Fluid Dosing System Frozen- Condition Exists. ... Allison $ 60.00. Rated 0 out of 5. Perkins EST 2022A ( 1 PC ) Perkins $ 86.00. Rated 0 out of 5. Cumming Caltem 5.9.1 2022 ( 1 PC ) cummisznn $ 78.00. Spn 2003 fmi 31 allison, These repair instructions are intended to address the following fault(s): DTC. Description. Possible Cause. Possible (Observable) Symptoms. SPN 5901 FMI 21. Pressure Control Solenoid (PCS) 2 Stuck Off – Data Drifted Low. N/A. N/A., 2005 IH 4400, , Allison auto. Shift panel goes dead and the truck wont start, if it does light up the top lamp looks like an X, ... Hello, So I have an International 4400 with a 2500hs allison transmission and it's throwing the code Spn 2003 Fmi 31 SA 3 and it starts up normally and drives fine , ..., This is the industry standard for that fault. I would recommend getting the trans connected to Allison doc program and getting the actual P number for the fault. ... Hello, So I have an International 4400 with a 2500hs allison transmission and it's throwing the code Spn 2003 Fmi 31 SA 3 and it starts up normally and drives fine , ..., VIN# ***** It has an active code, SPN 2003 FMI 31. I believe we have it narrowed down to a communication problem between the TCM and ECM. ... I have a 2010 International 4400 with a Allison transmission am getting a code spn 2003 source address 3 fmi 31 Vin # 1HTMKAAL8H273302 ANY help would be great ..., Allison code fmi 31 spn 2003 transmision wont shift. Hino…. The fact that you have burnt transmission fluid is not a good sign as that indicates an internal problem requiring disassembly and inspection for repair or rebuild. I would make sure that the correct oil went in and the correct oil level and if so there are times that when you ..., Here you can find the latest products in different kinds of international truck fault codes list. Allison transmission code 2003, Sid 380 fault code, J1939 fault code, Spn fault codes, Spn 2003 fmi 31, Spn 5298 fmi 18, Sid 9 fmi 5, Sid 233 fmi 9, Sabic. Mar 07, 2012 · SPN: 94 FMI: 1: willism Advanced Member. Nearest wrench puller is 9 hours away., Seguimos con el problema de la mula neutralizada, escaneamos con un escáner fcar y nos dio un código SPN2003 fmi31 que nos indica que no hay comunicación ent..., Retarded Temperature Above Normal (SPN 120 - FMI 15) Transmission Oil Temperature Above Normal (SPN 177 - FMI 15) Unknown General Transmission Fault …, 2021 freightliner m2-106, getting transmission codes spn 2003 fmi 31, 5908-20, 5891-4. ... I have a 2012 m2 with allison trans. I have a code tcu 3 spn 2003 fail 31 or fmi 31. I checked all power to controller and trans is stuck in 3rd no converter lockup. ..., • FMI=4 - Voltage Below Normal, Or Shorted To Low Source • FMI=5 - Current Below Normal Or Open Circuit • FMI=6 - Current Above Normal Or Grounded Circuit • FMI=7 - Mechanical System Not Responding Or Out Of Adjustment • FMI=8 - Abnormal Frequency Or Pulse Width Or Period • FMI=9 - Abnormal Update Rate, Dec 30, 2020 · Retarded Temperature Above Normal (SPN 120 - FMI 15) Transmission Oil Temperature Above Normal (SPN 177 - FMI 15) Unknown General Transmission Fault (SPN 2003 - FMI 31) 2). Open Allison DOC and connect to diagnostic port on Allison Transmission. Read More: How to Connecting ALLISON Transmission using ALLISON DOC Software. , These repair instructions are intended to address the following fault(s): DTC. Description. Possible Cause. Possible (Observable) Symptoms. SPN 5901 FMI 21. Pressure Control Solenoid (PCS) 2 Stuck Off – Data Drifted Low. N/A. N/A., Problem with a 2003 Dodge Ram, fault codes indicate a transmission Malfuncting.Tcm scan reveals pressure switch open or closed at wrong time. Transmission solenoids are usually installed in a transmission valve body, Transmission Control Unit, or transmission control module., The Insider Trading Activity of Allison Eric on Markets Insider. Indices Commodities Currencies Stocks, Now with an executive team in place, Poppi co-founder Allison Ellsworth says the company is now “a well-oiled machine.” Consumer tastes are always shifting, but while traditional s..., • FMI=4 - Voltage Below Normal, Or Shorted To Low Source • FMI=5 - Current Below Normal Or Open Circuit • FMI=6 - Current Above Normal Or Grounded Circuit • FMI=7 - Mechanical System Not Responding Or Out Of Adjustment • FMI=8 - Abnormal Frequency Or Pulse Width Or Period • FMI=9 - Abnormal Update Rate, Cummins ISX15 CM2250 (2010-12) Fault Code: 3376 (X) PID: SPN: 5319 FMI: 31 Aftertreatment Diesel Particulate Filter Incomplete Regeneration- Condition Exists. Circuit Description The ECM calculates an estimated value of the soot load in the aftertreatment DPF using the aftertreatment DPF differential pressure sensor. ... Allison $ 60.00., [email protected]. 2022 Mack Trucks, Inc. Information is subject to change without notice. Page 1/2. • For assistance with normal service or technical related questions, please contact our Contractor Logistics Support (CLS) provider POCs:, 2021 freightliner m2-106, getting transmission codes spn 2003 fmi 31, 5908-20, 5891-4. The truck is range inhibited, if I clear the codes it will run. Its range inhibited on the road and the driver wa ... Allison 3000 spn 2003 fm 19 shift indicator dead no start ..., Allison transmission code spn 4178 fmi 31. As we are living in a world where not just indoors, but outdoor setting is also considered as a part of a luxurious lifestyle, the requirement of outdoor products is growing at a rapid rate. With time Read More Marketing in general and online marketing, in particular, is really hard if you don't have a ..., spn fmi code list, allison transmission code 3359 fmi 31, allison transmission fault code spn 2003 fmi 31. Skip to content. Share. Login. Sign up. Christopher Ayers @ChristopherAyers889. Follow. 1 item. Activating this element will cause content on the page to be updated. Allison Transmission Code Spn 4178 Fmi 31., Holiday Rambler Owners Club. Join Date: Sep 2007. Location: Somewhere, USA. Posts: 314. Blog Entries: 1. Diagnostic code "spn 3359 fmi 31. On my 2013 HR Endeavor with Maxx Force 10 I have a check trans light and the diag that reads out on the lcd shows the above code. I have no idea where to find information on these codes. , Knowing what is causing your fear and anxiety can go a long way toward finding the solution. Below are some su Knowing what is causing your fear and anxiety can go a long way towar..., PACCAR PX-9 CM2350 (2013-17) Fault Code:3251 PID:S326 SPN:4765 FMI:0 Aftertreatment Diesel Oxidation Catalyst Intake Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level, On a 2102 IH truck 4300 it has these trans codes and it won't come out of first gear and it's an Allison automatic transSPN-2003-31 SPN-3359-31 ... Has transmission code SPN 2003, FMI 31. WHEN YOU START SOMETIMES IT WONT GO INTO REVERSE. sHUT DOWN WAIT A COUPLE OF SECONDS AND START AND FINE., CGI MASS FLOW SPN 520192 FMI-18. 2009 FREIGHTLINER M2 112HD. C13 SER # LEE17376. TODD,S AUTO REPAIR - Answered by a verified Technician., Running my bluefire module I get a SPN 2003 FMI 31 code in their program. 2003 31 is what I can found online to be a bad communication issue between the TCM …, I have seen that code (Spn 2003 FMI 31)before on a 2005 blue bird Vision. The dealer nor Allison could find it. It was a j1939 comunication problem. The hard …, I have a code on 2011 Freightliner dd15 “SA 1 Engine 2 SPN:524287 FMI:31”. Also the data port is not working when test - Answered by a verified Technician ... 2016 freighter Cascadia with Allison transmission. Truck was running without issues until today it is setting 2 transmission codes: spn 40 fmi 5 and spn 2003 fmi 31. Any …, 2 SPN 3250/FMI 31 - GHG14. Table 1. NOTE: This fault indicates the Aftertreatment Control Module (ACM) has detected a sudden temperature shift on the Diesel Particulate Filter (DPF) outlet temperature sensor. The most likely cause is an intermittent wiring concern (poor terminal fit, corrosion, chaffing, etc.)., SPN 2003 FMI 31 is an Allison Transmission fault code that indicates a problem with the vehicle’s gearbox. Understanding this code is crucial for diagnosing and repairing transmission issues efficiently, ensuring smooth operation and safety on the road., These repair instructions are intended to address the following fault(s): DTC. Description. Possible Cause. Possible (Observable) Symptoms. SPN 5901 FMI 21. Pressure Control Solenoid (PCS) 2 Stuck Off – Data Drifted Low. N/A. N/A., What is pregnancy like when you're 33 weeks along? Check out TLC's guide to being 33 weeks pregnant. Advertisement By now, some of you are probably ready to wave a white flag and c...