Spn 1347 fmi 3.

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 ... 272 1347 3 Amber Engine Fuel Pump Pressurizing Assembly #2 Engine Fuel Pump Pressurizing Assembly 1 Circuit - Voltage above normal, or shorted to high source

Spn 1347 fmi 3. Things To Know About Spn 1347 fmi 3.

Section 25.1SPN 2797/FMI 3. This diagnosis is typically injector #1, 2, or 3 needle control valve circuit has a short to battery/power.‪. Check as follows:‪. Disconnect the Front Injector Harness 14–pin connector. Turn the ignition ON (key ON, engine OFF). Measure the voltage between pin 1 on the MCM side of the Front Injector Harness 14 ...I have a 2018 peterbilt with MX13. Tried died would not run, have codes SPN 1347 fmi 16. 156 fmi 3, 3480 fmi 17, spn94 fmi 10, spn 94 fmi 2. The company changed fuel filters that did nothing, I dont have any experinece on these truck. Not sure where to start or if Fuel rail could be problem? any insight would be great.CODES: Fault Code: 2182. PID (P), SID (S): S79. SPN: 1072. FMI: 3. Lamp: Amber. REASON: 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. EFFECT: Engine brake on cylinders 1, 2, and 3 can not be activated.SPN#1347, FMI#3 ― High Voltage or Open Circuit At Fuel Pump Actuator-- Continued. MALFUNCTION. TEST OR INSPECTION. CORRECTIVE ACTION. 5. ECM connector pins or engine. 1. Disconnect engine ECM …

Here you go. Technician: Daniel Wilson. Fault Code 2359: EGR Differential Pressure Sensor - Data Valid but More Than Normal Range. Code Types. FAULT CODE 2359 PID 411 FMI 0 (SPN 411 FMI 16) J1587 / J1708J1939OEM. MID 128SA 0. PID 411SPN 411Fault Code 2359. FMI 0FMI 16***** *****ght.I have this weird issue on my 2014 MX-13. She will throw a code for SPN-5112 Controller #6 and SPN-153848. The Seek Service will stay on for a few days then go away. However a few days later it returns again. We have been playing this game for the last two months, but the truck has been running great.I have this weird issue on my 2014 MX-13. She will throw a code for SPN-5112 Controller #6 and SPN-153848. The Seek Service will stay on for a few days then go away. However a few days later it returns again. We have been playing this game for the last two months, but the truck has been running great.

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. Description. This Fault Code Sets when the Motor Control Module (MCM) Detects That Cylinder #1 Has Low rpm Speed with the …Parameter Codes (PID) 51 - 63. 51 Position of the throttle pedal - THROTTLE POS - Throttle Pos. 52 Intercooler Temperature - INTERCLR TEMP - Intercool TEMP. 53 Synchronizer clutch - SYNCRO CLUTCH - Synchro Clutch. 54 Synchronizer Brake - SYNCRO BRAKE - Synchro Brake. 55 Position of the Control Shift Finger - SHFT FNGR POS - Shift FNGR Pos.

Cummins ISL CM850 (2003-06) Fault Code: 272 (Auto) PID: SID 126 SPN: 1347 FMI: 3 High Fuel Pressure Solenoid Valve Circuit – Voltage Above Normal or Shorted to High Source. Electronic fuel control actuator shorted high. This fault becomes active when the ECM detects an open in the electronic fuel control actuator circuit. Causes of this fault ...Updating existing section with new information. 2 SPN 3246/FMI 15 - EPA10 - GHG14. Diesel Particulate Filter Outlet Temperature - High. Table 1. SPN 3246/FMI 15. Description. This Code Sets When The Diesel Particulate Filter (DPF) Outlet Temperature is Greater Than 730°C (1346°F) for More Than Two Seconds. Monitored Parameter.PACCAR PX-9 CM2350 (2013-17) Fault Code:271 PID:SID 126 SPN:1347 FMI:4 Engine Fuel Pump Pressurizing Assembly 1 Circuit - Voltage Below Normal or Shorted to Low Source. Reason: Engine Fuel Pump Pressurizing Assembly 1 Circuit - Voltage Below Normal or Shorted to Low Source. Low signal voltage is detected at the fuel pump actuator circuit.If other faults are active in addition to SPN 4334/FMI 3 or 4, or SPN 4374/FMI 3 or 4, troubleshoot the other faults first. If only SPN 4374/FMI 1 is present, Go to step 4. Turn the ignition OFF (key OFF, engine OFF). Inspect the DEF dosing unit, DEF pump, and Chassis/ATS harness wiring and connectors for damage, wire chafing, bent, spread or ...

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The SPN and FMI codes in the table below are not intended to be paired from left to right. There are several possible combinations of SPN and FMI codes. ... 1347. Suction Control Valve Circuit : 1348. Fuel Pump Control Valve #2 : 1349. Redundant Fuel Rail Pressure Signal : 1485. Pump Power Relay : 1568. Torque Curve Selection : 1569.

Fault Code: 275. PID (P), SID (S): S126. SPN: 1347. FMI: 7. Lamp: Yellow. REASON: Fuel Pumping Element Number 1 (Front) - Mechanical System Not Responding Properly or Out of Adjustment. EFFECT: Engine will not run or possible low power. Circuit Description: The fuel pump contains two barrel and plunger assemblies; each barrel and plunger ...Cummins ISL CM850 (2003-06) Fault Code: 272 (Auto) PID: SID 126 SPN: 1347 FMI: 3 High Fuel Pressure Solenoid Valve Circuit - Voltage Above Normal or Shorted to High Source. Electronic fuel control actuator shorted high. This fault becomes active when the ECM detects an open in the electronic fuel control actuator circuit. Causes of this fault ...[a] If SPN 1071/5, SPN 1672/5, and SPN 647/5 are active, repair the open in between pin 91 of the 120-pin MCM connector and the fan and the Jake Brake solenoids. Refer to section 58.3.1.1. [b] If only SPN 647/5 is active, go to step 2. 2. Disconnect the fan control solenoid connector. 3. Turn the ignition ON (key On, engine OFF). 4.PACCAR PX-9 CM2350 (2013-17) Fault Code:271 PID:SID 126 SPN:1347 FMI:4 Engine Fuel Pump Pressurizing Assembly 1 Circuit - Voltage Below Normal or Shorted to Low Source. Reason: Engine Fuel Pump Pressurizing Assembly 1 Circuit - Voltage Below Normal or Shorted to Low Source. Low signal voltage is detected at the fuel pump actuator circuit.SPN 2630 FMI 2 CACOT signal does not agree with other sensors SPN 2630 FMI 3 CACOT signal Out of range HIGH SPN 2630 FMI 4 CACOT signal Out of Range LOW SPN 2630 FMI 7 CACOT signal not responding as expected SPN 2630 FMI 16 CACOT Under-cooling Customer Complaint(s): •MIL light will come on and codes will be stored in the ECM. ...Nov 23, 2015 · 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. Having a problem with SPN 1347 FMI 16 on a 2015 Paccar Mx-13. It says "Common rail pump unit control - Incorrect - Common Rail pressure not reaching expected values during commanded pump unit...

SPN#1347, FMI#4 ― Electronic Fuel Control Actuator Shorted Low-- Continued. MALFUNCTION. TEST OR INSPECTION. CORRECTIVE ACTION. 7. Electronic fuel control actuator. 1. Turn keyless engine switch to. diagnostic supply voltage. the AUX position (TM 5-3895-incorrect. 385-10), but do not start. engine. 2.I look forward to working with you to provide you the information you are seeking.You will need a shop to properly troubleshoot the fuel pressure fault. Fault Code: 559. SPN: 157. FMI: 18. Injector Metering Rail 1 Pressure - Data Valid But Below Normal Operating Range - Moderately Severe Level.Page 193 and 194: SPN 1347, FMI 6 - Fuel Pump Relay C; Page 195 and 196: SPN 1213, FMI 5 - MIL Open Key On, ... SPN 91, FMI 3 - FPP1 Voltage High F. Page 295 and 296: SPN 520199, FMI11 - FPP2 Invalid Vo. Page 297 and 298: SPN 91, FMI 16 - FPP1 Higher than F. Page 299 and 300:Series 60 - SPN 647/FMI 3 - SINGLE-SPEED FAN (LOW-SIDE DIGITAL OUTPUT #3) FAULT. This fault code indicates that there is a short to power. 58.1.1 Short to Power Check Check as follows: 1. Turn the ignition OFF. 2. Disconnect the fan control solenoid connector. 3. Turn the ignition ON (key On, engine OFF).John Deere equipment is equipped with Heavy-Duty On-Board Diagnostic (OBD) systems that utilize SPN FMI codes to identify and diagnose issues that may arise. The SPN code helps pinpoint the system or component causing the problem, and the FMI code indicates the type and severity of the fault. A value of 3 for an FMI indicates a voltage above ...Apr 22, 2024 · SPN: 1348: 1347: 1079: 1079: FMI: 3: 6: 4: 3: MIL: ON: ON: ON: ON: Detected Item • Shorted relay pull in coil • relay driver circuit shorted to voltage in wire harness • Wiring harness short to ground • ECM malfunction • Wiring harness short to 12.0 V power • ECM malfunction: DTC Set Preconditions • Engine Running • Key-On ... PID (P), SID (S): P441. SPN: 441. FMI: 3. SRT: REASON: Auxiliary Temperature Sensor Input 1 Circuit - Voltage Above Normal or Shorted to High Source. High signal voltage or open circuit detected at the OEM auxiliary temperature circuit. EFFECT: None on performance. Circuit Description: The original equipment manufacturer (OEM) has the option of ...

2 SPN 4363/FMI 3 - EPA10 - GHG14 Selective Catalyst Reduction Outlet Temperature Sensor Circuit Failed High Table 1. SPN 4363/FMI 3 Description This Fault Code Sets When There is an Open in the SCR Outlet Temperature Circuit or a Short to Power on the SCR Outlet Temperature Sensor Signal Circuit. Monitored Parameter SCR Outlet Temperature SensorYes, injector issue 1323 31 Cylinder #1 miss fire. 651 14 injectors shorted to ground/open circuit. I suggest checking the harness and terminals very well. IF ok, swap #1 with #3 injector. I hope this helps you. Wayne. Wayne. Category: Medium and Heavy Trucks. Satisfied Customers: 19,177.

CODES: Fault Code: 2555. PID (P), SID (S): S070. SPN: 729. FMI: 3. Lamp: Amber. REASON: Intake Air Heater 1 Circuit - Voltage Above Normal or Shorted to High Source. High voltage detected at the intake air heater signal circuit. EFFECT: The intake air heaters may be ON or OFF all the time.3 HE97192,0001B12 -19-07SEP07-1/10 Diagnostic Trouble Codes - CAB - Control Unit CAB and Cab Power Module Cont. SPN FMI Priority Description Go to 03 Park brake engaged indicator (cc# 519) has Section 240 - Electrical System - CAB 70 Warning voltage present when control unit CAB has Control Unit CAB/CPM Overall turned low side driver ON ...Jul 5, 2018 · Fault Code: 483. PID (P), SID (S): P129. SPN: 1349. FMI: 3/3. Lamp: Amber. REASON: High signal voltage detected at the fuel rail pressure sensor circuit. EFFECT: Possible reduced engine performance. Circuit Description: The engine control module (ECM) provides a 5 volt supply to the fuel rail pressure sensor using a dedicated sensor supply circuit. SPN 1188 - FMI 3 (Fault Code 465) REASON: High voltage detected at the wastegate actuator number 1 circuit. EFFECT: Engine power derate. The wastegate actuators are devices used by the Engine Control Module (ECM) to control boost pressure. The wastegate controller is located on the air inlet horn.SPN: 1348: 1347: 1079: 1079: FMI: 3: 6: 4: 3: MIL: ON: ON: ON: ON: Detected Item • Shorted relay pull in coil • relay driver circuit shorted to voltage in wire harness • Wiring harness short to ground • ECM malfunction • Wiring harness short to 12.0 V power • ECM malfunction: DTC Set PreconditionsThese repair instructions are intended to address the following fault(s): DTC. Description. Possible Cause. Possible (Observable) Symptoms. SPN 3027 FMI 3. Transmission Fluid Level Sensor Circuit High - Voltage Above Normal or Shorted High.Mar 7, 2023 · John Deere equipment is equipped with Heavy-Duty On-Board Diagnostic (OBD) systems that utilize SPN FMI codes to identify and diagnose issues that may arise. The SPN code helps pinpoint the system or component causing the problem, and the FMI code indicates the type and severity of the fault. A value of 3 for an FMI indicates a voltage above ...

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SPN 1321, FMI 3 - Start Relay Coil . Page 189 and 190: SPN 1348, FMI 5 - Fuel Pump Relay C. Page 191 and 192: SPN 1347, FMI 5 - Fuel Pump Relay G. Page 193 and 194: SPN 1347, FMI 6 - Fuel Pump Relay C. Page 195 and 196: SPN 1213, FMI 5 - MIL Open Key On, Page 197 and 198: SPN 515, FMI 16 - RPM Above Fuel Re. Page 199 and 200:

SPN 51, FMI 3 - TPS1 Signal Voltage. Page 55 and 56: SPN 108, FMI 1 - BP Low Pressure In. Page 57 and 58: SPN 3217, FMI 5 - EGO1 Open/Lazy (H. Page 59 and 60: ... Page 193: SPN 1347, FMI 6 - Fuel Pump Relay C; Page 197 and 198: SPN 515, FMI 16 - RPM Above Fuel Re;SUBJECT: SPN 3597/FMI 3, 4 ADDITIONS, REVISIONS, OR UPDATES Publication Number Platform Section Title Change DDC-SVC-MAN-0009 EPA07 Series60 SPN 3597/FMI3 Instructions to use the newest DDDL software are added. Five new steps are added to the procedure. DDC-SVC-MAN-0009 EPA07 Series 60 SPN 3597/FMI 4 This is a new section.Studies show that people drink more alcohol as a means of coping with stress, but does it help? There are ways to manage stress without it. Alcohol may offer temporary relief, but ...SPN 3701 - Diesel Particulate Filter Status Level 3-5. This occurs when the unit has not been able to have a successful regeneration, so the particular matter accumulation has an excessive amount inside the DPF. Common Fix: An engine manufacture diagnostic tool/ software would have to be used to force a regeneration on the unit’s exhaust system.Turn the ignition ON (key ON, engine OFF). Check for multiple codes. [a] If SPN 1172/FMI 3 or SPN 4192/FMI 3 are also present, go to step 4. [b] If only 1176/3 is present, go to step 13. Turn the ignition switch OFF. Disconnect the MCM 120-pin connector. Inspect the MCM 120-pin connector and 120-pin harness connector for signs of damage, bent ...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. Replace Fuel Doser Injection Valve if fault reoccurs during the validation step (parked regen). 3 07-15 All information subject to change without notice. 3Common rail fuel pressure too slow =Cracked fuel filter housingTxId: 33 SPN: 520762 - Manufacturer Assignable SPN FMI: 3 (Voltage Above Normal) Count: 13 TxId: 61 SPN: 520372 - Manufacturer Assignable SPN FMI: 16 (High—moderate severity) Count: 1 TxId: 61 SPN: 5841 - Diesel Exhaust Fluid Quality Malfunction FMI: 14 (Special instruction) Count: 1 these are the codes.SPN 1347, FMI 6 - Fuel Pump Relay C. Page 195 and 196: SPN 1213, FMI 5 - MIL Open Key On, Page 197 and 198: SPN 515, FMI 16 - RPM Above Fuel Re. ... SPN 91, FMI 3 - FPP1 Voltage High F. Page 295 and 296: SPN 520199, FMI11 - FPP2 Invalid Vo. Page 297 and 298: SPN 91, FMI 16 - FPP1 Higher than F.Cummins ISB CM850 (2003-06) Fault Code: 272 (Auto) PID: SID 126 SPN: 1347 FMI: 3 High Fuel Pressure Solenoid Valve Circuit - Voltage Above Normal or Shorted to High Source. Electronic fuel control actuator shorted high. This fault becomes active when the ECM detects an open in the electronic fuel control actuator circuit. Causes of this fault ...

Good day. 2011 Cummins isx cm2250 showing spn 1347 fmi 3, spn 157 fmi 16 ...SPN#1347, FMI#3 ― High Voltage or Open Circuit At Fuel Pump Actuator-- Continued. MALFUNCTION. TEST OR INSPECTION. CORRECTIVE ACTION. 8. Pin-to-pin short circuit in engine. 1. Measure resistance between. 1. If resistance is more than 100. ECM wiring harness. fuel pump actuator SIGNAL pin. kiloOhms (kΩ), proceed to nextCheck as follows:‪. Turn the ignition ON (key ON, engine OFF). Plug in the diagnostic tool and read the active codes. If fault 174/3 is active in addition to 174/0, refer to "9.2 SPN 174/FMI 3" . If fault 174/4 is active in addition to 174/0, refer to "9.3 SPN 174/FMI 4" . If only fault code 174/0 is active, go to the next step and repair or ...SPN 51, FMI 3 - TPS1 Signal Voltage. Page 55 and 56: SPN 108, FMI 1 - BP Low Pressure In. Page 57 and 58: SPN 3217, FMI 5 - EGO1 Open/Lazy (H. Page 59 and 60: ... Page 193: SPN 1347, FMI 6 - Fuel Pump Relay C; Page 197 and 198: SPN 515, FMI 16 - RPM Above Fuel Re;Instagram:https://instagram. where did ryan beesley go SPN#1347, FMI#4 ― Electronic Fuel Control Actuator Shorted Low-- Continued. MALFUNCTION. TEST OR INSPECTION. CORRECTIVE ACTION. 3. Check inactive engine faults. 1.Having a problem with SPN 1347 FMI 16 on a 2015 Paccar Mx-13. It says "Common rail pump unit control - Incorrect - Common Rail pressure not reaching expected values during commanded pump unit... spartan race cincinnati 2024 2 SPN 5747/FMI 12 - GHG14. Table 1. Verify repairs by using DiagnosticLinkTM Soot Sensor Panel inspection routine. NOTE: When the engine starts, the soot sensor will cycle through three modes: protective heating of exhaust temperature dew point 210°C (410°F) to allow moisture to evaporate, heater active regeneration 800°C (1472°F) to clean ...Fault Code: 2377. PID (P), SID (S): S033. SPN: 647. FMI: 3/3. Lamp: Amber. REASON: Fan Control Circuit - Voltage Above Normal or Shorted to High Source. Open circuit or high voltage detected at the fan control circuit. EFFECT: The fan may stay on continuously or not run at all. Circuit Description: oh la la nail spa photos Spn 1347 fmi 5 Paccar MX 13. 2016 peterbilt 579. 797000. Paccar engine mx 13 - Answered by a verified Technician. We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.SPN: 157. FMI: 0/16. Lamp: Amber. REASON: The engine control module (ECM) has detected that fuel pressure is higher than the commanded pressure. EFFECT: Engine will only idle or will shut down. Circuit Description: The engine control module (ECM) supplies voltage to open the fueling actuators for a short length of time. shell gas station canton ohio Aug 11, 2018 · Fault Code: 1843. PID (P), SID (S): P101. SPN: 101. FMI: 3/3. Lamp: Amber. REASON: Crankcase Pressure Circuit - Voltage Above Normal or Shorted to High Source. High signal voltage detected at the crankcase pressure circuit. EFFECT: No engine protection for high crankcase pressure. Circuit Description: riverside press enterprise obituaries Joined: Jan 2020. Weird trouble code spn 168 fmi 13. 2015 Pete 389 cm2350. All started over a year ago when someone else drove my truck while I was on vacation and killed the batteries multiple times. (No idea how). Code is active, have cleaned all the cables and grounds I can find, checked relays and fuses. Insite ecm voltage while running is ... pill with 230 on it yellow Fault Code: 284. PID (P), SID (S): S221. SPN: 1043. FMI: 4/4. REASON: Engine Speed/Position Sensor (Crankshaft) Supply Voltage Circuit - Voltage Below Normal or Shorted to Low Source. Low voltage detected on the ECM voltage supply line to engine. speed sensor. EFFECT: Possible hard starting and rough running. floyd cartersville urgent care Section 25.1SPN 2797/FMI 3. This diagnosis is typically injector #1, 2, or 3 needle control valve circuit has a short to battery/power.‪. Check as follows:‪. Disconnect the Front Injector Harness 14-pin connector. Turn the ignition ON (key ON, engine OFF). Measure the voltage between pin 1 on the MCM side of the Front Injector Harness 14 ...Cummins ISB6.7 CM2350 (2013-17) Fault Code: 272 PID: SID 126 SPN: 1347 FMI: 3 Engine Fuel Pump Pressurizing Assembly 1 Circuit- Voltage Above Normal or Shorted to High Source. Circuit Description The circuit is a pulse-width modulation (PWM) driver in the engine control module (ECM) that controls the fuel pump actuator.If other faults are active in addition to SPN 4334/FMI 3 or 4, or SPN 4374/FMI 3 or 4, troubleshoot the other faults first. If only SPN 4374/FMI 1 is present, Go to step 4. Turn the ignition OFF (key OFF, engine OFF). Inspect the DEF dosing unit, DEF pump, and Chassis/ATS harness wiring and connectors for damage, wire chafing, bent, spread or ... keenland farms I have a Cummins motor with fault codes SPN 1387 FMI 3 and SPN-157 FMI 18 can you tell me what is wrong ... Yesterday morning, it started getting the code SPN 1347 FMI 3. The code went away last night and hasn't come back. I looked it up on Cummins insite so I k ...SPN 2630 FMI 2 CACOT signal does not agree with other sensors SPN 2630 FMI 3 CACOT signal Out of range HIGH SPN 2630 FMI 4 CACOT signal Out of Range LOW SPN 2630 FMI 7 CACOT signal not responding as expected SPN 2630 FMI 16 CACOT Under-cooling Customer Complaint(s): •MIL light will come on and codes will be stored in the ECM. ... uhs endicott SPN: 91. FMI: 3/3. Lamp: Red. REASON: High voltage detected at 5 VDC sensor supply circuit to the accelerator pedal position sensor. EFFECT: The engine will operate in Limp Home mode. Circuit Description: The accelerator position sensor can either be Hall effect or potentiometer type sensor that is integrated into the accelerator pedal … 2016 ram 1500 lug pattern SPN 1321, FMI 3 - Start Relay Coil . Page 189 and 190: SPN 1348, FMI 5 - Fuel Pump Relay C. Page 191 and 192: SPN 1347, FMI 5 - Fuel Pump Relay G. Page 193 and 194: SPN 1347, FMI 6 - Fuel Pump Relay C. Page 195 and 196: SPN 1213, FMI 5 - MIL Open Key On, Page 197 and 198: SPN 515, FMI 16 - RPM Above Fuel ReYes; diagnose SPN 3510/FMI 3 first; Refer to section "SPN 3510/FMI 3 - EPA07 - EPA10 - GHG14" . b. No; Go to step 6. 6. Turn the ignition OFF. 7. Disconnect the hydrocarbon doser fuel line pressure sensor (1). 8. Disconnect the 120-pin Motor Control Module (MCM) connector. 9. Measure the resistance from pin 111 of the 120-pin MCM connector ... food lion timberville va Multiples of issues spn1347 fmi16 ,spn0157 fmi 0, spn5571 fmi 0, spn3821 fmi 11. 2016 peterbilt 579 mx13. 556000. - Answered by a verified Technician We use cookies to give you the best possible experience on our website.SPN 3701 - Diesel Particulate Filter Status Level 3-5. This occurs when the unit has not been able to have a successful regeneration, so the particular matter accumulation has an excessive amount inside the DPF. Common Fix: An engine manufacture diagnostic tool/ software would have to be used to force a regeneration on the unit's exhaust system.