Spn 3521 fmi 31

SPN-3362 31 Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit 1 Input LinesThis is the code showing on my 2018 KENWORTH w/ CUMMINS engineThe fluid doser unit was replaced a couple of weeks ago, ECM was flashed and the engine derate didn't turn on until a few days ago. The truck starts requiring more …

Spn 3521 fmi 31. The diagnostic procedures have been revised to include more in depth inspection. SPN 1328/FMI 31 -GHG14. 2 SPN 1323/FMI 31 - GHG14. Idle Smoothness Control/Cylinder #1 Misfire At Idle. Table 1. SPN 1323/FMI 31. SPN 1323/FMI 31. Description. This Fault Code Sets when the Motor Control Module (MCM) Detects …

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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 …If fault code SPN#1325, FMI#31. screen for fault code. is displayed, turn keyless. SPN#1325, FMI#31. engine switch to the OFF. position (TM 5-3895-385-10), and replace cylinder number 3. injector (WP 0338, Vol 2). 2. If fault code in not displayed, proceed to next test. 11.Check active engine faults. 1. If other fault codes are.Windows: Facebook is a time suck. Using it even once can potentially derail your productivity. If you need proof of how much time you waste on the site, TimeRabbit can show you. Wi...JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals. Allison Transmission 9730022699. Have the code Spn 2003 FMI 31 Description: Source address 3/ Not available or Condition - Answered by a verified Technician.Codes Reason Effect. Fault Code: 4713. PID (P): SPN: 5357. FMI: 11/31. Lamp: Amber. SRT: A malfunction of a single or multiple fuel injectors has been detected. Engine may run rough, may stop running, may not start, or may be difficult to start.

SID, PID FMI SPN Imf Description; 111 Red: S254 12: 629 12: Engine control Unit-critical internal error: 112 Red: S020 7: 635 7: The injection syncer does not respond to the commands of the control unit: 113 ... 31: Fault codes detected in other control units were found. Verification is required. 211* None: 613 14:Cummins ISX15 CM2250 (2010-12) Fault Code: 3151 (MR) PID: SPN: 4794 FMI: 31 Aftertreatment SCR catalyst System Missing- Condition Exists. Circuit Description The ECM monitors the NOx concentration in the engine’s exhaust gases using an aftertreatment intake NOx sensor and aftertreatment outlet NOx sensor. By …SPN#1323, FMI#31 ― Engine Misfire Cylinder 1 -- Condition Exists-- Continued. MALFUNCTION. TEST OR INSPECTION. CORRECTIVE ACTION. 5. Start engine (TM 5-3895-385-10) and run at idle. 6. Loud engine knock occurs. 1. If loud engine knock is present, turn keyless engine switch to. the OFF position (TM 5-3895-Nov 16, 2022 · 4. Glitching Software. The ECM runs on software that tells it how to function. If this software is not calibrated, it can cause the ECM to glitch out and trigger code SPN 1569 FMI 31 as well as other faults. 5. Failed Turbocharger. The turbocharger is responsible for pressurizing the air coming into the engine. Apple is facing yet another antitrust lawsuit over its App Store fees, this time filed by a group of French iOS app developers who are suing the tech giant in its home state of Cal...

Need help 2015 international prostar N13 scr,def,dpf truck Stuck in stop engine mode, although service max shows dpf clear, no need for regen, this code and mechanical problem code SPN 5394 FMI7 for dosing valve present. I watched def dosing valve open/close value while in force regen and it never …Aug 5, 2022 · You did not specify the FMI for your fault but for SPN 523531 FMI 31 Troubleshooting manual shows description as "Extra Sub bus switch" details "Active when one or more sub bus switches are plugged in that do not have a corresponding MSF parameter." Action: With the key ON, connect to the vehicle with ServiceLink or DiagnosticLink. Go to the ... Watch this video to see out how to tackle 9 home maintenance projects, including cleaning gutters, draining a hot water heater, and sealing grout. Expert Advice On Improving Your H...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 …

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Fault Code J1939 SPN J1939 FMI Lamp J1939 SPN Description Cummins Description QSB 6.7 QSL 9 QSX 15 QSB 4.5 QSF 3.8 QSG12 213 175 4 Amber Engine Oil Temperature 1 Engine Oil Temperature Sensor 1 Circuit - Voltage below normal, or shorted to low source XX 214 175 0 Red Engine Oil Temperature 1 …Insurance companies and government are partnering to improve insurance policies for small businesses during future pandemics. By clicking "TRY IT", I agree to receive newsletters a...NOTE: If code 723-3, 723-4, 636-3, or 636-4 active fix those first.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. Figure 1.3 - DTC and General Information. →No Active DTC's. In this case, there are 4 logged codes: P2723, …

Sep 13, 2022 · Check all fuses and relays for any failed fuses or relays. check between the battery box and control modules for any in-line fuse holders and any corrosion or damage to the wiring that would result in a short or open circuit ultimately causing a loss of power or ground to the control modules on the truck. Codes Reason Effect. Fault Code: 4713. PID (P): SPN: 5357. FMI: 11/31. Lamp: Amber. SRT: A malfunction of a single or multiple fuel injectors has been detected. Engine may run rough, may stop running, may not start, or may be difficult to start.Heavy Equipment Engineer. Master's Degree. 99 satisfied customers. 2019 freightliner cascadia has these codes spn 521049 FMI31, 2019 freightliner cascadia has these codes spn 521049 FMI31, SPN521050 FMI 31 and SPN 521052 FMI 31. it has derate to about 5 mph. did … read more.Series 60 - SPN 641/FMI 11 - SMART REMOTE ACTUATOR 5 (VGT) ABNORMAL OPERATION. This code typically means the Smart Remote Actuator 5 has restricted operability. 57.4.1 Actuator Check Check as follows: 1. Check…Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 6765 PID: SPN: 3521 FMI: 16 Aftertreatment 1 Diesel Exhaust Fluid Property- Data Valid But Above Normal Operating Range- Moderately Severe Level. Circuit DescriptionSID, PID FMI SPN Imf Description; 111 Red: S254 12: 629 12: Engine control Unit-critical internal error: 112 Red: S020 7: 635 7: The injection syncer does not respond to the commands of the control unit: 113 ... 31: Fault codes detected in other control units were found. Verification is required. 211* None: 613 14:SPN#1323, FMI#31 ― Engine Misfire Cylinder 1 -- Condition Exists-- Continued. MALFUNCTION. TEST OR INSPECTION. CORRECTIVE ACTION. 5. Start engine (TM 5-3895-385-10) and run at idle. 6. Loud engine knock occurs. 1. If loud engine knock is present, turn keyless engine switch to. the OFF position (TM 5-3895-•Fault Code(s) 1715 (SPN 3364 FMI 11), 4277 (SPN 3364 FMI 10), 3867 (SPN 3364 FMI 18), 4842 (SPN 3364 FMI 15), 6765 (SPN 3521 FMI 16), 6766 (SPN 3521 FMI 18), 6767 …Nich M. Diesel Technician. Vocational, Technical or Tra... 230 satisfied customers. I have a 2017 freightliner cascadia that has fault codes. i have a 2017 freightliner cascadia that has fault codes SPN-5397, SPN-520371, SPN-520372 & SPN-523001 … read more.Series 60 - SPN 641/FMI 11 - SMART REMOTE ACTUATOR 5 (VGT) ABNORMAL OPERATION. This code typically means the Smart Remote Actuator 5 has restricted operability. 57.4.1 Actuator Check Check as follows: 1. Check…Make: DetroitEngine: DD15 GHG17 (2017 & Newer)PID: N/ASPN: 520329FMI: 31. Description: DEF Flow Quantity Below Normal. Troubleshooting: DESCRIPTION: Diesel Exhaust Fluid (DEF) pump speed low. MONITORED PARAMETER: DEF pump speed. TYPICAL ENABLING CONDITIONS: DEF pump enabled and cannot …

•Fault Code(s) 3375 (SPN 5397 FMI 31), 3376 (SPN 5319 FMI 31), 1921 (SPN 3251 FMI 16), 1922 (SPN 3251 FMI 0) Root Cause: •Air cleaner accordion boot seal does notseal properly when hood is closed. •Sealing issues range from; misalignment, bending, folding, or deformation of accordion boot sealing surface.

Meet the Experts. Spn 523510 fmi 31 cascadia 2016. Cascadia dd13. 500000. I've traced every wire, disconnected every module, replace - Answered by a verified Technician.Did you know that 86% of people expect conversations with agents to move seamlessly between channels? Continue reading for more. Did you know that 86% of people expect conversation...518 satisfied customers. 2021 freightliner m2-106, getting transmission codes spn. 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 … read more.Aug 8, 2021 · According to Cummins QuickServe documentation, SPI 3521 FMI means “The DEF quality sensor has detected that the DEF concentration has fallen below a critical threshold.” So either your DEF is bad or the sensor is bad. I would test the DEF quality with a refractometer and/or drain your existing DEF and replace it with known good fluid. Nich M. Diesel Technician. Vocational, Technical or Tra... 230 satisfied customers. I have a 2017 freightliner cascadia that has fault codes. i have a 2017 freightliner cascadia that has fault codes SPN-5397, SPN-520371, SPN-520372 & SPN-523001 … read more.FMI: 11/31. Lamp: Amber. REASON: Electronic Fuel Injection Control Valve Circuit - Condition Exists. Fuel pump actuator circuit resistance too high or too low. ... 1 Response to "SPN 633 - FMI 11 (Fault Code 2311)" Anonymous Tuesday, August 15, 2023 at 3:03:00 PM PDT. Nadjib [email protected]. Reply Delete. Replies. Reply. …SPN 3516 FMI 10 N/A DEF Quality Sensor abnormal rate of change Amber Warning Light SPN 3516 FMI 18 N/A DEF Quality Low - Moderately Severe level Amber …PACCAR PX-9 CM2350 (2013-17) Fault Code:3241 PID: SPN:4342 FMI:4 Aftertreatment 1 Diesel Exhaust Fluid Line Heater 2 Circuit – Voltage Below Normal or Shorted to Low SourceIn the New Cascadia troubleshooting manual it shows that SPN 523002 FMI 31 is ICU (SA23) telling you that EEPROM checksum Fault-Condition exists. FYI "Instrumentation Control Unit =ICU" Possible causes is Internal hardware failure. Trouble shooting steps are short. Program the ICU with the "Newest" software available on …

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done with out issue many times. but this ICU code SPN 523021 FMI 31 and SPN 523023 FMI 31. I am having issue with getting this code to go away. I've done the ICU auto config under the actions tab. as far as I can tell everything appears to be up to date and correct for software in all the modules. but I can't get this procedure to 20 - GHG14. SCR Temperature Drift - Inlet Low/Outlet High. Table 6. SPN 4363/FMI 20. SPN 4363/FMI 20. Description. This fault code sets when the Aftertreatment Control Module (ACM) detects that the Selective Catalyst Reduction (SCR) outlet temperature sensor reading and SCR outlet model temperature is greater than 70°C (158°F). Monitored ... •Fault Code(s) 3375 (SPN 5397 FMI 31), 3376 (SPN 5319 FMI 31), 1921 (SPN 3251 FMI 16), 1922 (SPN 3251 FMI 0) Root Cause: •Air cleaner accordion boot seal does notseal properly when hood is closed. •Sealing issues range from; misalignment, bending, folding, or deformation of accordion boot sealing surface.It takes more time to find the code in question than it does to diagnose the actual problem. You will find it… eventually but it may take some time. The fault code SPN 2000 is all about the loss of communication with the ECM. It reads- Lost Communications With Ecm A (u0100) and Lost Communication With A Cpc Module.Windows: Facebook is a time suck. Using it even once can potentially derail your productivity. If you need proof of how much time you waste on the site, TimeRabbit can show you. Wi...SPN 3521 is DEF Fluid Property, Root Cause Unknown. It means either the DEF tank contains an unknown fluid (water, diesel fuel, windshield washer solution, etc.) …Make: DetroitEngine: DD15 GHG17 (2017 & Newer)PID: N/ASPN: 1327FMI: 31. met. 1. Engine speed steady between 600 and 950 rpm. 2. Engine coolant temperature between 65°C (149 F) and 114°C (237°F). 3. Engine fuel temperature between 0°C (32°F) and 150°C (302°F). Once per drive cycle when …Abnormal Diesel Oxidation Catalyst Temperature Rise. Table 1. SPN 3250/FMI 31. SPN 3250/FMI 31. Description. Abnormal Diesel Oxidation Catalyst (DOC) Temperature Rise. …•Fault Code(s) 3375 (SPN 5397 FMI 31), 3376 (SPN 5319 FMI 31), 1921 (SPN 3251 FMI 16), 1922 (SPN 3251 FMI 0) Root Cause: •Air cleaner accordion boot seal does notseal properly when hood is closed. •Sealing issues range from; misalignment, bending, folding, or deformation of accordion boot sealing surface.Mar 15, 2023 · SPN 5246 FMI 15 Cascadia. For the 2014 model, this code is telling you that you are in a derate mode. The solution is to do a complete regen. Then, the information provided above for the 2011 and 2010 models applies here as well. The reason you are sent into derate is that you ignored another fault code for some time. Companies in the Technology sector have received a lot of coverage today as analysts weigh in on Garmin (GRMN – Research Report), Sapiens (SPN... Companies in the Technology sect... ….

SPN: 2003. FMI: 31. Possible causes: This code sets in combination with code P2637 or code P2641, indicates the Autoselect function is still active, this points to an engine software issue. This code sets if attempting to reflash the TCM with the engine running; always reflash with the engine off, ignition on.Possible reduced engine performance. Possible causes of this fault code include: Malfunctioning aftertreatment diesel exhaust fluid dosing system. Exhaust system leaks. Malfunctioning SCR catalyst. Degraded, diluted, or incorrect diesel exhaust fluid. Diesel exhaust fluid deposits in the decomposition tube.This fault code sets when there is a code present for the following: 25% Derate, vehicle speed limited to 55 MPH due to power derate. This fault code appears after SPN 521049/FMI 31 and the speed limit has been reduced to 55 MPH (90 KPH) 40% Derate, Vehicle speed limited to 5 MPH (8 KPH).SPN 3719 FMI 31. The SPN 3719 FMI 31 code tells you the following information- Dpf Zone 2 Condition: Diesel Particulate Filter 1 Soot Load Percent Condition Exists. The FMI part of the code is only 2 words- condition exists. What this means is that when you see SPN 3719 you know that there will be a problem with …Spn 1569 fmi 31 is showing, I got a 2012 587 Cummins isx. I replace a lot of parts already and I'm loosing power, - Answered by a verified Technician We use cookies to give you the best possible experience on our website.Doug McMillon begins his tenure as Wal-Mart’s fifth CEO tomorrow. While that might make today’s profit warning from the monolith retailer appear unfortunately timed, there are reas...In the New Cascadia troubleshooting manual it shows that SPN 523002 FMI 31 is ICU (SA23) telling you that EEPROM checksum Fault-Condition exists. FYI "Instrumentation Control Unit =ICU" Possible causes is Internal hardware failure. Trouble shooting steps are short. Program the ICU with the "Newest" software available on …MX13 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 ...Fault Code J1939 SPN J1939 FMI Lamp J1939 SPN Description Cummins Description QSB 6.7 QSL 9 QSX 15 QSB 4.5 QSF 3.8 QSG12 213 175 4 Amber Engine Oil Temperature 1 Engine Oil Temperature Sensor 1 Circuit - Voltage below normal, or shorted to low source XX 214 175 0 Red Engine Oil Temperature 1 … Spn 3521 fmi 31, By James V. The numbers for the FMI fault code system stop around 20 or 21. But there are numbers that are listed above those two. Those extra numbers are usually labeled as …, Check after the regeneration to ensure SPN 3364/FMI 2 and all SPN 5246/FMI (any) faults go inactive. Refer to section "Performing a Parked Regeneration - EPA10/GHG14". a. Yes; clear faults and release vehicle. b. No; Go to step 9. 9. Disconnect the DEF Dosing Unit electrical connector only., that fault 31 spn 3464 is a code to do with intake valve. Could be a filter, fuse, dpf one box, number of things.... it might even need a regen... good luck to you that truck is a mistake.. Gdog66223, Jan 4, 2019. Gdog66223, Jan …, The Home Service Club offers excellent home warranty plans for home appliances and systems. Learn more with our Home Service Club Review. Expert Advice On Improving Your Home Video..., PACCAR PX-9 CM2350 (2013-17) Fault Code:3241 PID: SPN:4342 FMI:4 Aftertreatment 1 Diesel Exhaust Fluid Line Heater 2 Circuit – Voltage Below Normal or Shorted to Low Source, This fault code sets when there is a code present for the following: 25% Derate, vehicle speed limited to 55 MPH due to power derate. This fault code appears after SPN 521049/FMI 31 and the speed limit has been reduced to 55 MPH (90 KPH) 40% Derate, Vehicle speed limited to 5 MPH (8 KPH)., Rage Against the Machine: Religious Anger and Political Anger - Religious anger and political anger can effect sweeping societal change. Read more about political and religious ang..., Cummins ISX15 CM2250 (2010-12) Fault Code: 2646 PID: 110 SPN: 110 FMI: 31 Engine Coolant Temperature- Condition Exists. Circuit Description When the engine coolant temperature nears the engine protection limits, the exhaust gas recirculation (EGR) valve will be closed to reduce the coolant temperature. This fault code is …, Sep 13, 2022 · Check all fuses and relays for any failed fuses or relays. check between the battery box and control modules for any in-line fuse holders and any corrosion or damage to the wiring that would result in a short or open circuit ultimately causing a loss of power or ground to the control modules on the truck. , how to reset 521049 FMI 31 GHG17 LAMP INDUCTION DEF ACTIVE DEF - MHH AUTO - Page 1. Welcome to world's most trustworthy automotive forum. To obtain your registration code, please reach out to [email protected]. Latest News: Toyota Altezza/IS200 fuel gauge fault Software update frf Hello Cranking …, Home / DTC TRUCKS / Cumminz / X12 CM2350 X119B (2018 & Newer) / Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 6766 PID: SPN: 3521 FMI: 18 Aftertreatment 1 Diesel Exhaust Fluid Property- Data Valid But Below Normal Operating Range- Moderately Severe Level , Freightliner Cascadia 2012 Detroit Engine DD15 ENG 2 SPN 3464 FMI 31 Throttle CMD, any idea what that code is for?Also, truck starts great but after idling for few minutes check engine light comes on … read more, Confirmed 3/4 of a tank so performed a reset and started driving, made it about 50 miles and the low def light came on again followed shortly by a check engine and an eminent derate warning. Checked for codes and SPN 1569 FMI 31 came up. Made it to a rv park and waiting for the Cummings dealer to open …, Welcome to The Fleetguard Customer Portal.If you are an existing Fleetguard Access user.Please create user account by clicking ""Create User Account "" button below. , PACCAR PX-9 CM2350 (2013-17) Fault Code:3241 PID: SPN:4342 FMI:4 Aftertreatment 1 Diesel Exhaust Fluid Line Heater 2 Circuit – Voltage Below Normal or Shorted to Low Source, Table 1. SPN 1323/FMI 31. SPN 1323/FMI 31. Description. This Fault Code Sets when the Motor Control Module (MCM) Detects That Cylinder #1 Has Low rpm Speed with the Injector Commanded to Max Fueling for a count of two with all conditions met. Monitored Parameter. Engine rpm. Typical Enabling Conditions. Engine …, Companies in the Technology sector have received a lot of coverage today as analysts weigh in on Garmin (GRMN – Research Report), Sapiens (SPN... Companies in the Technology sect..., This spn fmi codes help explain the underlying meaning of the numerical components which build an engine fault code. - This is not a comprehensive list, or an alternative to the standard fault diagnostic process and only serves as a supplemental reference. , I have a code spn 3251, fmi 16, fault is aftertreatment 1 particulate trap differential pressure. Fmi description is - Answered by a verified Technician ... Spn 102 fail 18 spn 5319 fail. 31 spn 5298 fail 17 spn 3556 fail 18 spn 3251 fail 0. Truck Vin 1fujglbg2dsbx2662 engine serial number 79561243 Cu ..., SPN#1322, FMI#31. engine switch to the OFF. position (TM 5-3895-385-10), and replace all fuel injectors (WP 0338, Vol 2). 2. If fault code SPN#1322, FMI#31. is not displayed, proceed to. next test. 15.Check active engine faults. 1. If other fault codes are. screen for any other fault code. displayed, turn keyless engine., Sa 49 spn596 fmi 31 and power derated. Cumins 2013 Peterbilit. It just started few hours ago. Any time engine turned off - Answered by a verified Technician. ... SPN 4364 FMI 18, SPN 4349 FMI 7, SPN 4794 FMI 31 on 2020 Kenworth T680. DEF low level light on with 3/4 tank., fault code fmi description first detected last observed type SPN-21 4 Engine ECU Temperature (use SPN 1136) Oct 10, 5:21 PM Oct 10, 5:42 PM Intermittent SPN-6912 7 Transmission Internal Component 2 Speed Oct …, Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 4277 PID: SPN: 3364 FMI: 10 Aftertreatment Diesel Exhaust Fluid Quality- Abnormal Update Rate of Change. Circuit Description The DEF quality sensor is a smart device and communicates with the engine electronic control module (ECM) via the J1939 data link. The DEF quality sensor …, Watch this video to see out how to tackle 9 home maintenance projects, including cleaning gutters, draining a hot water heater, and sealing grout. Expert Advice On Improving Your H..., One day, our parents won't be able to drive, to climb stairs, or maybe even change their own clothes or feed themselves. As painful as thinking about this might be, we need to prep..., 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 …, truck shuts off randomly and goes (haywire)on/off 3 times per interval.. last instance: did 50mi run and shut down 15-20 times and haywire each time, as explained above. also, a titled code shows as "permanent" but, dealer says truck is "fine" and nothing wrong.. private mechanic stated he could not find out even if he …, spn 3521 fmi 18 (6766) x15/b6.7 SPN 3521 FMI 31 (6767) X15/B6.7 IK0700096 -Urea Quality Sensor (UQS) Supplemental Diagnostic and Service InformationPage 1 of 5 , SPN 5246 FMI 15 Cascadia. For the 2014 model, this code is telling you that you are in a derate mode. The solution is to do a complete regen. Then, the information provided above for the 2011 and 2010 models applies here as well. The reason you are sent into derate is that you ignored another fault code for some time., Click to viewOne feature strangely absent from Facebook has always been the ability to back up your pictures, videos, messages, and other information to your hard drive. Today, Fac..., The code SPN 524287 FMI 31 is for the predictive cruise control message not received and this is a communication issue with the predictive cruise control. It may be related to the datalink connector issue depending on if the datalink is being affected., Sep 13, 2022 · Check all fuses and relays for any failed fuses or relays. check between the battery box and control modules for any in-line fuse holders and any corrosion or damage to the wiring that would result in a short or open circuit ultimately causing a loss of power or ground to the control modules on the truck. , This spn fmi codes help explain the underlying meaning of the numerical components which build an engine fault code. - This is not a comprehensive list, or an alternative to the standard fault diagnostic process and only serves as a supplemental reference.