Spn 171 fmi 3. The FMI may also indicate that an abnormal operating co...

Possible reduced engine performance. Malfunctioning inta

The FMI may also indicate that an abnormal operating condition has been detected. The codes are displayed in the form “SPN – FMI”. The ECM / ECU also attaches a text description to the message that is transmitted over the J1939 data link. This text description is used to describe the SPN – FMI. The failure mode of the DTC is determined ...Apr 1, 2020 · 171 spn 3 fmi. Sorry for the late reply here. That code is for Ambient Air Temperature Sensor. It is either the sensor, or the connector/harness. Take a look for a sensor near the mirror, or somewhere that exposed that it would read the outside temperature. You can look at www.TruckFaultCodes.com (or the mobile apps) to find this as well. 3. Click on the “status” of each fault to get the details on each of the faults. The fault’s SPN and FMI numbers can be found in the DTC tables in this publication. Figure 12. Figure 12 DTC Report 4. Double click on any fault and the following screen will …43 523925 4 7-3-1 Kurzschluss gegen Masse Aktuatorrelais 3 Short circuit to ground of actuator relay 3. 44 523926 4 7-3-2 Kurzschluss gegen Masse Aktuatorrelais 4. Short circuit to ground of actuator relay 4. 45 168 3 3-1-8 Sensorfehler Batteriespannung; Signalbereich überschritten. Sensor battery voltage error; signal range check is high.Code : Spn 171 Fmi 2 Ambient Air Temperature Not Plausible: Ambient Air Temperature Data Erratic, Intermittent Or Incorrect; Ambient Temperature Sensor Data Erratic I'm not a tech. I think it maybe a 5V sensor power supply issue. That voltage should have been checked first. Recommended: Check the voltage, the sensor, the connecters and harness.What does this mean. Ecu 1 fault means the engine EMC has a internal fault and needs to be replaced. Most of the time with this code It's not the ecm itself it's usually a wiring …SPN 3987 5 6 Active Body Controller Heating Ventilation/Air Conditioning control head multiple motor faults DM1. HVAC motor in wrong position or jammed. SPN 520465 2 3 Active EGC Ambient Air Temperature (AAT) - Fault on Analog Input 3 below normal when used for outside temperature. Voltage below normal or shorted to low source. SPN 171 4 126 Jeremy. Certified Truck/Bus Technici... Bachelor's Degree. 2,756 satisfied customers. I have a 2004 International 4300 truck with a dt466. Truck. I have a 2004 International 4300 truck with a dt466. Truck is going into limp mode and throwing 2 codes consistently. Using a DPA5 and … read more.SPN 171 FMI 22389 AAT signal does not agree with other sensors SPN 171 FMI 3249 AAT signal out of range HIGH SPN 171 FMI 4256 AAT signal out of range LOW Customer Observations or Concerns: •MIL •Engine performance may be reduced ŁUnable to perform regen ( Return to Top ) Special Tool(s) / Software Mar 21, 2021 · Fault Code: 1669 | SPN: 1761 | FMI: 3 Aftertreatment 1 Diesel Exhaust Fluid Tank Level Sensor Circuit - Voltage Above Normal or Shorted to High Source 1 Check for primary fault codes 2 Low battery voltage 2.1Battery load test 2.2Fuse/distribution panel check 2.3Ground inspection 3 Aftertreatment diesel exhaust fluid tank level sensor voltage check Test Step 1. Inspect Electrical Connectors and Wiring. A. Turn the keyswitch to the OFF position. B. Thoroughly inspect ECM connectors and the connector for Fuel Temperature Sensor. C. Perform a 45 N (10 lb) pull test on each of the wires in the sensor connector and the ECM connector. that are associated with the active diagnostic code.Level 1: Stop Engine Now Level 3: Repair at Next PM Level 2: Repair Engine Same Day Level 4: Information Only FAULT CODE (LAMP) SID(S) PID(P) FMI SPN FMI DESCRIPTION QSB QSC QSL9 QSM1 1 QSX1 5 QSK19 QSK23 QS T 30 QSK45 QSK60 QSK78 HHP Level Number (**) 111 (Red) S254 12 629 12 Engine Control Module – …Go to Step V. If Fault Code 17 FMI 3 or 4 is Active, replace Transmission Electronic Control Unit (TECU) Go to Step V. Procedure to set FMI 14 Inactive. Retrieve and record the transmission fault codes and FMIs, and their occurrences and timestamps. If Fault Code 17 FMI 14 is now Inactive and the engine will now crank, no problem was found.SPN 171 FMI 22389 AAT signal does not agree with other sensors SPN 171 FMI 3249 AAT signal out of range HIGH SPN 171 FMI 4256 AAT signal out of range LOW Customer Observations or Concerns: •MIL •Engine performance may be reduced ŁUnable to perform regen ( Return to Top ) Special Tool(s) / SoftwareFeb 16, 2021 · FreiGhtlliner cascadia 2012 cumming, code spn 171 fmi 3 ambient air temperature active. does not turn on. may be the cause of not star. has yellow light on Submitted: 2 years ago. Category: Medium and Heavy Trucks FreiGhtlliner cascadia 2012 cumming, code spn 171 fmi 3 ambient air temperature active. does not turn on. may be the cause of not star. has yellow light on … read more Daniel Wilsonfreightliner cascadia 2012 cumming. codigo SPN 171 FMI 3 ... I have a 2011 Freightliner Cascadia, my truck keeps gicing me fault codes SPN-521916 FMI 3, SPN-521908 FMI 3, and have taken the truck to Freightliner and SPN-101 FMI 2 constantly.spn: 171 fmi: 3 dd15 ghg14 (2014-16)acm by DPF Solutions | Jul 25, 2023 | DETROIT Make: DetroitEngine: DD15 GHG14 (2014-16)ACMPID: N/ASPN: 171FMI: 3 Description: Ambient Air Temperature Circuit Failed HighTroubleshooting:NOTE: Please see the step by step troubleshooting procedures for this specific code.PROBABLE CAUSES:1.Communication Number: SPN 3563 / FMI 2, Date: 2019-08-07 Category: 060000 ENGINE AND ENGINE COOLING Summary: HDEP GHG17 engines are not equipped with turbo wastegates. Steps in this troubleshooting involving wastegates were removed. ... Summary: 706-14 SPN 171 FMI 3, 4 (CPC)(GHG14) Communication …Cummins ISX 15 550 hp on a Peterbilt(###) ###-####Showing fault codes: SPN 641 FMI 9 SPN 77 FMI 3 Derate in 3 hours. Truck was parked off for 4 days, first showing code out of nowhere was the SPN 641 … read moreSPN 157 FMI 3: FRP signal Out of Range HIGH: SPN 157 FMI 4: FRP signal Out of Range LOW: SPN 157 FMI 14: FRP Relief Valve failure, Replace Valve & Re-set counter: SPN 158 FMI 15: ECM Switched voltage too HIGH: SPN 158 FMI 17: ECM switched voltage too LOW: SPN 171 FMI 2: AAT signal does not agree with other sensors: SPN 171 FMI 3Maxxforse prostar 2012 code spn 171 fmi 3 injternatoinal. Your fault is for the ambient air temp sensor. There are 2 sensors that are present on the vehicle. You will need to monitor the readings of both with a scan tool in order to see which one is defective. One sensor is located behind the cab along the left frame rail.SPN 171 4 126 Inactive 15.0L ISX2 Power Supply Lost With Ignition On - Data Erratic, Intermittent, or Incorrect. Supply voltage to the ECM fell ... Status Component Description Lookup Code FMI Count Inactive 15.0L ISX2 Accelerator Pedal or Lever Position Sensor 2 Circuit - Voltage Below Normal, or Shorted to Low Source. Low voltage detected at …Apr 30, 2019 · Posts: 2,138 Threads: 155. Joined: Jul 2011. 1 04-30-2019, 08:31 PM. 2012 Western Star 4900 with a DD15 in it. Amber warning light is on. Using DDDL8, I see 4 active fault codes and none have any diagnostic info. P115/5 Net Battery Current. P171/5 Ambient air temp. P373/5 Current below normal. Jun 17, 2023 · With the key on and the engine off, measure the voltage between Pin 2 (+5V reference) and Pin 3 (Ground) of the IAT sensor. The voltage should be around 5 volts. If the voltage is not present, you may have a wiring or connector issue. Next, measure the voltage between Pin 1 (Signal) and Pin 3 (Ground) of the IAT sensor. SPN 27 FMI 14 EGR internal circuit failure SPN 2791 FMI 2 EGR feedback communication fault SPN 2791 FMI 3 EGRV supply voltage is too HIGH SPN 2791 FMI 4 EGRV supply voltage is too LOW SPN 2791 FMI 7 EGR Valve unable to achieve commanded position SPN 2791 FMI 8 EGR valve not receiving ECM PWM signal SPN 2791 FMI 14 EGR valve Initialization Fault ...2011 freightliner m2, cummins, spn 3031 - fmi 18 spn 4342 - fmi 5 spn 5246 - fmi 0 Vehicle in complete derate. Will not go over 5mph. Replaced heater control valve on def tank.653 3 Injector 3 (in firing order); short circuit 4 High side to low side short circuit in the injector 3 (in firing order) 5 Injector 3 (in firing order); interruption of electric connectionOct 22, 2014 · Getting these 3 codes: SPN 97 FMI 3 water in fuel voltage short? SPN 97 FMI 15 and SPN 97 FMI 16, water in fuel I can't find diags for the 97/3 code. It was the FIRST code that came up. Shortly after that one came then the other two came. 2 SPN 5741/FMI 13 - GHG17 Soot Sensor Controller Area Network Signal Missing Table 1. SPN 5741 / FMI 13 Description Soot Sensor Controller Area Network (CAN) Feedback Signal Failure Monitored Parameter Soot Sensor CAN Communication Typical Enabling Conditions Soot Sensor Enabled• FMI=0 - Data Valid But Above Normal Operational Range - Most Severe Level • FMI=1 - Data Valid But Below Normal Operational Range - Most Severe Level • FMI=2 - Data Erratic, Intermittent Or Incorrect • FMI=3 - Voltage Above Normal, Or Shorted To High Source • FMI=4 - Voltage Below Normal, Or Shorted To Low SourceAbout Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...TxId: 58 SPN: 520211 FMI: 7 (Not Responding Properly) Count: 126 TxId: 0 SPN: 171 – Ambient Air Temperature FMI: 2 (Erratic, Intermittent, or Incorrect) Count: 1 TxId: 150 SPN: 524285 FMI: 14 (Special instruction) Count: 1 TxId: 33 SPN: 3979 – Cab Floor Light FMI: 5 (Current Below Normal) Count: 1. Mechanic's Assistant: Is this an issue with the heater …Feb. 15, 2019 · 3 posts · ‎2 authors I have looked for detailed Fault Code files and can not find detailed information. Thanks in advance. Fault 1: -Eng 0 -641 spn -Fail 11. Fault 2: - ... Cascadia with cummins isx ' TruckersReport.com ... 10 posts Mar. 15, 2015 Isx in derate mode showing codes Engine 0 Fail 31 ... 8 posts Sep. 3, 2018SPN 171 FMI 22389 AAT signal does not agree with other sensors SPN 171 FMI 3249 AAT signal out of range HIGH SPN 171 FMI 4256 AAT signal out of range LOW Customer Observations or Concerns: •MIL •Engine performance may be reduced ŁUnable to perform regen ( Return to Top ) Special Tool(s) / SoftwareCanDiag_OcErrOfCan3OfCanDiag 1235 5 U0039-00 Engine Control Unit CAN 3 - Open circuit CanDiag_OcErrOfCan4OfCanDiag 1668 5 U0048-00 Engine Control Unit CAN 4 - Open circuit CanDiag_ScErrOfCan1OfCanDiag 639 11 U0036-00 Engine Control Unit CAN 1 …A first-generation PS3 uses about 206.9 watts while the user is playing a game or 172.79 while playing a Blu-ray movie, but the console continues to use 1.22 watts when it is in standby mode or 171.35 watts when it is idling.Run Relative Compression Test to verify if cylinder imbalance is mechanical issue or injector issue. If the Relative Compression Test fails the same cylinder as indicated by Injector Disable Test, the fault is a mechanical failure. Check crankcase pressure. Check valve lash and brake lash (if equipped).Sep 27, 2023 · The wires need to be in the same direction. So if you look at the other connector make sure the wires are on the correct side. Ask Your Own Medium and Heavy Trucks Question. When i take out the plug same 3 other 171 codes with fmi 9,12,5 go active But when i plug back the sensor only fmi 14 stays active. SPN171 FMI3 ISB - Ambient Air Temperature Sensor 1 Circuit CODES: Fault Code: 249 PID (P), SID (S): P171 SPN: 171 FMI: 3/3 Lamp: AMBER SRT: ISC and ISL - Ambient Air Temperature Sensor 1 Circuit REASON: Ambient Air Temperature Sensor 1 Circuit - Voltage Above Normal or Shorted to High Source.Cummins ISX 15 550 hp on a Peterbilt(###) ###-####Showing fault codes: SPN 641 FMI 9 SPN 77 FMI 3 Derate in 3 hours. Truck was parked off for 4 days, first showing code out of nowhere was the SPN 641 …No: Go to step 3. Step Action Decision. 3 •Run Health Report •Update engine calibration Ł Clear faults •Idle engine 5 minutes •Key off or 3 minutes •Idle engine 5 minutes •Key off for 3 minutes •Key on & check for faults Does fault FMI 164 SPN 0 reset? (Use ServiceMaxx and check for fiPendingfl) 171 spn 3 fmi. Sorry for the late reply here. That code is for Ambient Air Temperature Sensor. It is either the sensor, or the connector/harness. Take a look for a sensor near the mirror, or somewhere that exposed that it would read the outside temperature. You can look at www.TruckFaultCodes.com (or the mobile apps) to find this …Run Relative Compression Test to verify if cylinder imbalance is mechanical issue or injector issue. If the Relative Compression Test fails the same cylinder as indicated by Injector Disable Test, the fault is a mechanical failure. Check crankcase pressure. Check valve lash and brake lash (if equipped).•FDP: SPN 94 FMI 0, 3, 4 ŁIMT: SPN 105 FMI 2, 3, 4, 18 •AAT: SPN 171 FMI 2, 3, 4 •IAHFS: SPN 626 FMI 3, 4, 5 ŁIAHFI: SPN 5548 FMI 3, 4, 5, 7 Are any of the listed DTCs present? Yes: Repair any listed faults before diagnosing 626­11, 626­18, or 3061­31. No: Continue to Step 2. Step 2: Check Calibration • SPN 520366/FMI 3 • SPN 520366/FMI 5 520367/ 3 • SPN 520367/FMI 5 • SPN 520368/FMI 14 • SPN 520368/ FMI 31 . Technicians are responsbi le for following troubleshooting and workshop manuals. Verification of fault codes occurs by cycling the ignition and no extra verification time is necessary for these repairs. If ...SPN 171 FMI 22389 AAT signal does not agree with other sensors SPN 171 FMI 3249 AAT signal out of range HIGH SPN 171 FMI 4256 AAT signal out of range LOW Customer Observations or Concerns: •MIL •Engine performance may be reduced ŁUnable to perform regen ( Return to Top ) Special Tool(s) / Software Posts: 546. SPN 111. Coolant level sensor circuit voltage below normal or shorted. Has anyone had a code SPN 111 FMI 3? Seems the sensor which plugs into radiator fill tank is leaking radiator fluid back through and into plug to ECU. Not sure if it is safe to drive uncorrected or not because it is engine protection circuit.3 SPN 4752/FMI 16 - GHG17 Cooling Efficiency of the EGR Cooler Too Low Table 2. SPN 4752/FMI 16 Description This fault Code Sets When the Motor Control Module (MCM) Detects That the EGR Temperature After the EGR Cooler is Not Within a Threshold. Monitored Parameter Intake Manifold Temperature, CAC Outlet Temperature SensorMay 25, 2019 · File: 189-fc249 Page 1 of 3 Fault Code 249 Ambient Air Temperature Sensor 1 Circuit - Voltage Above Normal or Shorted to High Source CODES REASON EFFECT Fault Code: 249 PID(P), SID(S): P171 SPN: 171 FMI: 3/3 Lamp: Amber SRT: High signal voltage detected at ambient air temperature circuit. Possible reduced engine performance. Fault Code: 212. PID (P), SID (S): P175. SPN: 175. FMI: 3/3. Lamp: Amber. REASON: High signal voltage or an open circuit detected at the engine oil temperature circuit. EFFECT: None on performance. Circuit Description: The engine oil temperature sensor is a variable resistor sensor and is used to measure the temperature of the …Apr 14, 2019 · Code : Spn 171 Fmi 2 Ambient Air Temperature Not Plausible: Ambient Air Temperature Data Erratic, Intermittent Or Incorrect; Ambient Temperature Sensor Data Erratic I'm not a tech. I think it maybe a 5V sensor power supply issue. That voltage should have been checked first. Recommended: Check the voltage, the sensor, the connecters and harness. SPN: 171. FMI: 4/4. Lamp: Amber. REASON: Low voltage detected at ambient air temperature circuit. EFFECT: None on performance. Circuit Description: The ambient air temperature sensor is a variable resistor sensor and is used to measure the temperature of the ambient air. The engine control module (ECM) uses this temperature reading to optimize ...FreiGhtlliner cascadia 2012 cumming, code spn 171 fmi 3 ambient air temperature active. does not turn on. may be the cause of not star. has yellow light on … read more Daniel WilsonSPN 171 FMI 22389 AAT signal does not agree with other sensors SPN 171 FMI 3249 AAT signal out of range HIGH SPN 171 FMI 4256 AAT signal out of range LOW Customer Observations or Concerns: •MIL •Engine performance may be reduced ŁUnable to perform regen ( Return to Top ) Special Tool(s) / Software Level 1: Stop Engine Now Level 3: Repair at Next PM Level 2: Repair Engine Same Day Level 4: Information Only FAULT CODE (LAMP) SID(S) PID(P) FMI SPN FMI DESCRIPTION QSB QSC QSL9 QSM1 1 QSX1 5 QSK19 QSK23 QS T 30 QSK45 QSK60 QSK78 HHP Level Number (**) 111 (Red) S254 12 629 12 Engine Control Module – …2 SPN 171/FMI 3 - GHG14. Ambient Temperature Sensor Failed High Table 1. SPN 171/FMI 3 Description Ambient Temperature input is shorted high or open. Monitored Parameter Ambient Temperature Typical Enabling Conditions Always Enabled Monitor Sequence None Execution Frequency Always Enabled Typical Duration 2 Seconds Dash Lamps CEL …SPN FMI ACM2.1 FAULT CODE DESCRIPTION GHG14 5488 5 SCR Line Heater #5 Circuit Failed Open 520232 9 NOX Mass Signal Not Available via CAN 520323 3 High Side Digital Output Supply Voltage Circuit Failed High 520323 4 High Side Digital Output UV_DOS Circuit Failed Low 520326 3 Under pressurized DEF system From March to May there are deals to Bogota, Colombia under $300 round-trip from U.S. cities on Copa and Avianca Airlines. If visiting Colombia is on your mind, there are some major deals to Bogota. Copa and Avianca are offering flights to ...Level 1: Stop Engine Now Level 3: Repair at Next PM Level 2: Repair Engine Same Day Level 4: Information Only FAULT CODE (LAMP) SID(S) PID(P) FMI SPN FMI DESCRIPTION QSB QSC QSL9 QSM1 1 QSX1 5 QSK19 QSK23 QS T 30 QSK45 QSK60 QSK78 HHP Level Number (**) 111 (Red) S254 12 629 12 Engine Control Module – …Apr 14, 2019 · Code : Spn 171 Fmi 2 Ambient Air Temperature Not Plausible: Ambient Air Temperature Data Erratic, Intermittent Or Incorrect; Ambient Temperature Sensor Data Erratic I'm not a tech. I think it maybe a 5V sensor power supply issue. That voltage should have been checked first. Recommended: Check the voltage, the sensor, the connecters and harness. ŁIMT: SPN 105 FMI 2, 3, 4, 18 •AAT: SPN 171 FMI 2, 3, 4 •IAHFS: SPN 626 FMI 3, 4, 5 ŁIAHFI: SPN 5548 FMI 3, 4, 5, 7 Are any of the listed DTCs present? Yes: Repair any listed faults before diagnosing 626­11, 626­18, or 3061­31. No: Continue to Step 2. Step 2: Check Calibration Check 6th digit of ECM Calibration ID. Example: 2013 + SCR Engine, Should …BobWolf · #2 · Jun 28, 2014. For the skip, check for continuity in the injector harness with an ohm meter you could have a broken wire or an injector plug may be loose, off, oil filled, or a bad injector. Look for my post on DT 466E injector R/R I walk you through it. low oil pressure, hard start stall.Run Relative Compression Test to verify if cylinder imbalance is mechanical issue or injector issue. If the Relative Compression Test fails the same cylinder as indicated by Injector Disable Test, the fault is a mechanical failure. Check crankcase pressure. Check valve lash and brake lash (if equipped).SPN 171 FMI 4: AAT signal Out of Range LOW (Body mounted sensor) SPN 175 FMI 0: Engine Oil System above Critical Temperature: SPN 175 FMI 3: EOT signal Out of Range HIGH: SPN 175 FMI 4: EOT signal Out of Range LOW: SPN 175 FMI 11: Oil Temperature exceeds limit by large amount: SPN 175 FMI 15: Engine Oil System above …SPN#177, FMI#0 ― Sensed Rail Fuel Pressure Exceeds Rail Relief Valve. Opening Pressure. ... What about code SPN 171 I got the codes from the peterbilt.Deutz Trouble Code List Emr4. Uploaded by: Saulean Stefan. November 2019. PDF. Bookmark. Download. This document was uploaded by user and they confirmed that they have the permission to share it. If you are author or own the copyright of this book, please report to us by using this DMCA report form. Report DMCA. 3 mar. 2006 ... 137 GOTSCDSysReac. 1-3-3. 2, 11. •. SPN Component /. Location. Description (Error location). Defined for Error code. SERDIA. ID. Blink code. FMI.BobWolf · #2 · Jun 28, 2014. For the skip, check for continuity in the injector harness with an ohm meter you could have a broken wire or an injector plug may be loose, off, oil filled, or a bad injector. Look for my post on DT 466E injector R/R I walk you through it. low oil pressure, hard start stall.171 spn 3 fmi. Sorry for the late reply here. That code is for Ambient Air Temperature Sensor. It is either the sensor, or the connector/harness. Take a look for a sensor near the mirror, or somewhere that exposed that it would read the outside temperature. You can look at www.TruckFaultCodes.com (or the mobile apps) to find this …MID 130 SID 19 FMI 2, 4, 5, 14 J1939: SA 3 SPN 751 FMI 2, 4, 5 SA 3 SPN 752 FMI 2, 4, 5, 14 . Overview. The Fuller Advantage transmission may be equipped with an analog Shift Control Device. The Transmission Electronic Control Unit (TECU) supplies the analog Shift Control Device with a 5-volt reference through OEM wiring.2008 international with maxxforce 10Code spn 171 fmi 3 idle validation switch fault Code spn 8321 fmi 12 ecm not reading vgtMy service Maxx does not give me any troubleshooting steps .Customer has already replaced TPS sensorThis is the third time I have reached out for some information, there has to be someone on here with access to the troubleshooting steps and schematicsJan 21, 2021 · FreiGhtlliner cascadia 2012 cumming, code spn 171 fmi 3 ambient air temperature active. does not turn on. may be the cause of not star. has yellow light on … read more Daniel Wilson There are infinite multiples of 19, but 10 of them are 19, 38, 57, 76, 95, 114, 133, 152, 171 and 190. Multiples of a number are products of that number and any whole number. Because numbers are infinite, multiples of any number are also in.... Cummins ISB4.5 CM2150 Fault Code: 2398 PID: Possible reduced engine performance. Malfunctioni Spn 91/Fmi 3. 100. High Voltage Check. 100. Spn 91/Fmi 4. 101. Low Voltage Check. 101. SPN 100-Engine Oil Pressure Outside of Normal Operating Range. 103. ... 171. EGR Components Check. 171. Spn 411/Fmi 1. 172. Spn 411/Fmi 3. 173. EGR Delta P Sensor. 174. Spn 411/Fmi 4. 175. SPN 412-EGR Temperature Is Outside of the Normal Range. 177. Low Voltage Check code Spn 91 fmi 8 Perform Second Opinion] My truck has a fault code SPN-171 FMI 3. I've changed the temp sensor, checked wiring, as well as took vehicle to freightliner dealer for ECM update. After update light came back on af … read morePossible reduced engine performance. Malfunctioning intake manifold pressure/temperature sensor. Fault Code: 2222. PID (P): P 96. SPN: 96. FMI: 3. A short circuit to voltage source in the OEM harness. An open circuit in the OEM harness. A malfunctioning fuel level sensor. FreiGhtlliner cascadia 2012 cumming, code spn 171 fmi...

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