Spn 729 fmi 5

Engine Injector Cylinder 5 – MID 128 SID 5: ECM SPN 656: Engine Injector Cylinder 6 – MID 128 SID 6: ECM SPN 677: Engine Starter Motor Relay – MID 128 SID 39: ECM SPN 729: Intake Air Heater (IAH) 1 – MID 128 SID 70: ECM SPN 730: Intake Air Heater (IAH) 2 – MID 128 SID 71: ECM SPN 975: Estimated Percent Fan Speed – (MID 128 PID 26 ...

Fault Code: 2556. PID (P), SID (S): S070. SPN: 729. FMI: 4. Lamp: Amber. REASON: Intake Air Heater 1 Circuit - Voltage Below Normal or Shorted to Low Source. Low voltage detected at the intake air heater signal circuit. EFFECT: The intake air heater may be ON or OFF all the time.Fault Code 2634 will become active if the VGT actuator is removed from the turbocharger and then the keyswitch is turned to the on position or it may be possible for it to become active if the actuator fails the install/calibrate procedure. If this occurs, disconnect the VGT actuator from the engine harness with the keyswitch on, and connect ...I went a head and did some research on the code 729-5. This code indicates there is an open circuit in the Intake Air Heater system. The heater will come on every time the engine is started. If the engine is warm enough, it will go off. If it is cold, the heater will stay on for a few minutes. This heater is used to help with white smoke at ...Cummins ISB6.7 CM2350 (2013-17) Fault Code: 383 PID: SID 70 SPN: 729 FMI: 5 Engine Intake Air Heater 1 Circuit- Current Below Normal or Open Circuit. Circuit Description The intake air heater improves starting and white smoke control in cold ambient conditions. Component LocationRelais Kaltstarthilfe Kabelbruch Cold start aid relay open load 545 547 729 729 5 ... 14.11.2014 DTC-List-EMR4 Diagnosis- and Errorcodes KWP-Code 1556 SPN 524063 FMI ... Cummins ISB4.5 CM2150 Fault Code: 2555 PID: SPN: 729 FMI: 3 Engine Intake Air Heater 1 Circuit – Voltage Above Normal or Shorted to High Source. ... SPN:5484 FMI:4 Engine Fan Clutch 2 Control Circuit – Voltage Below Normal or Shorted to Low Source DTC TRUCKS Rated 0 out of 5. Allison 1000 & 2000 Gen 4 Fault Codes: U1000 Class 2 Loss …

The SPN fault code is for the HVAC Duct System and that system, as you know is more electrical. It handles the cooling and heating of the air in your cab or sleeper. The FMI side of the code is the specific problem, usually, and tells you exactly where to look. In this case, FMI 5 is saying that the Current Below Normal Or Open Circuit.Detroit DD15 EPA07 (2007-09) Fault Code: SPN 729 FMI 7 (MCM) Problem with the Grid Heater. PROBABLE CAUSES: 1. Drain the fuel filter module by removing the fuel filters or opening the drain valve. Hand tighten the drain plug and prime the fuel filter with the hand pump. If code doesn't come back, problem solved.Cummins ISB6.7 CM2350 (2013-17) Fault Code: 383 PID: SID 70 SPN: 729 FMI: 5 Engine Intake Air Heater 1 Circuit- Current Below Normal or Open Circuit. Circuit Description The intake air heater improves starting and white smoke control in cold ambient conditions. Component LocationApr 24, 2022 · Fault Code SPN 729 FMI 5. The dreaded Fault Code SPN 729 happened again for the second time. Sacramento Truck found that the "Mega Fuse" was making intermittent connection causing the fault. Upon closer inspection they found the fuse was cracked and that the mounting bracket was vibrating excessively while the engine was running. FMI SPN FMI DESCRIPTION QSB QSC QSL9 QSM1 1 QSX1 5 QSK19 QSK23 QS T 30 QSK45 QSK60 QSK78 HHP Level Number (**) 151 (Red) P110 0 110 0 Engine Coolant Temperature High – Critical X 151 (White) P110 0 110 0 Engine Coolant Temperature High – Critical X 1 153 (Yellow) P105 3 105 3 Intake Manifold Temperature Sensor #1 Circuit - shorted high X 2 ... Injector coil resistance is 1 ohm +/- 0.5 ohms. It should be also completely open to ground. The coils do short out internally, go open and will also short to the injector body internally. So all pin point electrical checks are necessary. These injectors are also a higher failure part and getting only 3 - 4 years out of an injector is normal.

SPN 0729 Engine Inlet Air Heater FMI 5 Current Below Normal Or Open Circuit. I get the above fault code only on colder days below 60 degrees. 2015 f750 cummins engine. I've read on the ivr forum that they resolved the problem by replacing a 250amp fuse. I've read other forums to replace the relays.5 Parking Brake Pressure Cut­ Off Valve 5.1Shorted to Bat B+ Check connectors for shorts. If none found go to 1.1 5.2 Open Circuit -. Check wiring and connectors for intermittent contact. Replace coil if necessary. Check front axle pump motor fuse and replace if broken. If further failure occurs go to 1.1 5.3 Shorted to ground.SPN 190 has a few scenarios like: SPN 190 FMI 0 – Engine Speed Data Valid But Above Normal Operational Range – Most Severe Level. SPN 190 FMI 2 – Engine Speed Data Erratic, Intermittent Or Incorrect. SPN 190 FMI 16 – Engine Speed Data Erratic, Intermittent Or Incorrect. Fix Inspect turbo for leaks, drain oil and remove pan and …a. If SPN 4356/FMI 5 and SPN 4354/FMI 5 are present, repair open between pin 9 of the ACM2.1 120-pin connector and pin 2 of line heaters 3 and 1. b. If only SPN 4356/FMI 5 is present, Go to step 2. 2. Disconnect line heater 3. 3. Turn the ignition ON (key ON, engine OFF). 4.

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• For support with a warrantable fault/fault code, please submit an SF368 Product Quality Deficiency Report (PQDR) in the Product Data Reporting & Evaluation Program (PDERP) atComplete service repair manual with Electrical Wiring Diagrams for International series N9, N10 Diesel Engines, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics. Foreword. The descriptions and service procedures contained in this manual are based on designs and technical studies carried out through January 2012. The products are under continuous development. Vehicles and components produced after the above date may therefore have different specifications and repair methods.Apr 17, 2017 · What is the following fault code: Source 0 SPN 729 FMI 3, Answered in 1 hour by: go-west.., Technician. 1,266. Verified. Good day please read the link,There is a open on the coil side of the relay that controls the grid heaters, Let me know if you have anymore questions, TY. SPN 1244 FMI 5 (Pending/Active)FVCV open load / circuit SPN 633 FMI 5 (Pending/Active) FPCV open load / circuit Customer Observations or Concerns: ­ Malfunction Indicator Light - Power Loss - Inoperable Engine IK1201213 ­MaxxForce 7 DTC 3055 Fuel System Diagnostics Page 1 of 13

Looking for suggestions on the best place to get a complete flat towing package and have it installed near either Nashville, Indiana or Panama City, FL. Only local Camping World near us gets terriblethe 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 display. Figure 13. Figure 13 5. To generate a fault report, select the “Generate Fault Report“ button from the “Diagnostic Trouble Codes” screen ...3). Troubleshooting: double-click on Fault Code (Active) - Status, will displays Overview of Fault Code 2556. Read More: SPN 729 - FMI 4 (Fault Code 2556).SPN 3364 FMI 18 3867 Aftertreatment Diesel Exhaust Fluid Quality - Data Valid But Below Normal Operating Range - Moderately Severe Level Amber Warning Light 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 Warning Light …FMI 5 • Current below. normal or open circuit. Open Circuit +, 5V Supply line. Short Circuit -, Measuring line. Open Circuit, Measuring line. Oil pressure shows 0 in the cluster, engine is running. Yellow Check lamps illuminated. Engine Oil Pressure (EOP) sensor failure. Faulty harness. FMI 13 • Out of Calibration • Sensor indicates a SPN 0729 Engine Inlet Air Heater FMI 5 Current Below Normal Or Open Circuit. I get the above fault code only on colder days below 60 degrees. 2015 f750 cummins engine. I've read on the ivr forum that they resolved the problem by replacing a 250amp fuse. I've read other forums to replace the relays.153.1 SPN 629/FMI 2 - EPA07 - EPA10 - GHG14. Multiple Fault Descriptions for SPN 629/FMI 2. The troubleshooting solution is the same for any and all fault descriptions. Replace the Common Powertrain Controller (CPC) and reprogram with the latest software release. Printed Thu Mar 28 2019 10:54:35 GMT-0400 (Eastern Daylight …Code: SPN 729 FMI 5. 2018 Thor Palazzo 33.2 Wondering if anyone has dealt with this? What was necessary to remedy. I saw a post on another site that referred to a "mega breaker" being loose. Does anyone know where the mega breakers are. I know in the same compartment with the batteries are 2 100 amp resettable fuses.

If you have a unit with an active SPN 629 FMI 8 and the ECM was recently updated and/or the unit was built after 12/5/2013, please complete the following checks below. SYMPTOM(s) Active DTC 629 FMI 8 with MIL light on. DTC Malfunction Indicator Lamp (MIL) Description SPN 629 FMI 8 MIL will illuminate when this fault is detected during two

When programming completes, run engine at wide open throttle SPN 3719 FMI 15, go to (WOT) for 10 minutes. Page 30 DIAGNOSTIC MANUAL Step Action Decision Diesel Particulate Filter ( DPF) Snap Acceleration Test (Quick Yes: Go to Symptom 5 Test). This procedure checks the DPF for cracks or internal (Medium Duty): Black smoke damage …These changes could impact any diagnostic message with an SPN value of 6915 or higher. J1587 SIDs for Bulkhead Module (BHM) MID 164 ... FMI 104 EXM4 C1.L 5,6 104 EXM4 ...• For support with a warrantable fault/fault code, please submit an SF368 Product Quality Deficiency Report (PQDR) in the Product Data Reporting & Evaluation Program (PDERP) atSince there are different causes of the error code, it could be hard to identify the exact cause if you concentrate on the error rather than looking at the cause.In fixing this error code, you should remember that the code itself is not the problem but an indication of other underlying issues.2 de mar. de 2019 ... 3 Remove the hydraulic hoses from inside the boom. boom. Refer to Repair Procedure 1-5, How to. Replace the Fork Tilt Cylinder Hoses. 4 Remove ...20 = Data Drifted High (rationality high) 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 Mode Identifier (FMI) fault code list and read descriptions before engine troubleshooting diy process.SPN: Description: Possible FMI: 2071: Missing Chassis Module CAN Message: 9: 6890: CHM No PWM DRLs Fault: 8: 6897: Fuel Water Separator Heater Output Fault: 6: 6898: Brake Air Dryer Output Fault: 6: ... SPN-21 4 Engine ECU Temperature (use SPN 1136) Oct 10, 5:21 PM Oct 10, 5:42 PM Intermittent SPN-6912 7 Transmission …FMI 5. • Current below normal or open circuit. • Short Circuit +,. Positive side ... ECM SPN 729, Intake Air Heater (IAH) 1 – MID 128 SID 70. Type of fault: FMI ...No: Program ECM with most recent calibration. After repairs are complete, retest for SPN 651 – 658 FMI 18. Step 2. Determine if a base engine problem is causing fault code to become active. Decision. Using Electronic Service Tool (EST) with ServiceMaxx™ software, perform the following steps: Key ON, clear codes.I have the SPN 729 FM5 check engine code. I've had it for some time and now would like to fix it. Hoping you guys can help me out.I have read forum posts on this problem but am still vague on some areas.

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What is the following fault code: Source 0 SPN 729 FMI 3, Answered in 1 hour by: go-west.., Technician. 1,266. Verified. Good day please read the link,There is a open on the coil side of the relay that controls the grid heaters, Let me know if you have anymore questions, TY.FMI 5 – Current Below Normal or Open Circuit: With the solenoid on, the TECU detects an open in the Range Solenoid Valve circuit for 1 second. FMI 6 – Current Above Normal or Shorted Circuit: TECU detects a short to power on the Range Solenoid Valve circuit. FMI 8 – Abnormal Frequency: Range Solenoid Valve out of normal operating frequency.Fault Code 2634 will become active if the VGT actuator is removed from the turbocharger and then the keyswitch is turned to the on position or it may be possible for it to become active if the actuator fails the install/calibrate procedure. If this occurs, disconnect the VGT actuator from the engine harness with the keyswitch on, and connect ...J1939 Code and Description CDL Code and Description CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes 1235-9 5856-9 J1939 Network #3 : Abnormal Update Rate SAE J1939 Data Link #3:Abnormal Update Rate Once connected to the ECM, open Fault Codes on the left-side menu to check Active/Inactive Codes - Status. 3). Troubleshooting: double-click on Fault Code 2555 - Status, will displays Overview of Fault Code 2555. Read More: SPN 729 - FMI 3 (Fault Code 2555).• Engine runs on 5 cylinders • Abnormal sound • Reduced performance • Check that the injector cables. are not damaged • Check that the injector connections. are not damaged • Check fuel supply pressure • Check the valve clearance • Do a compression test and. check cylinder #4. Injector, Cylinder #5 (Code 7.5, SID 5/SPN 655 ...The fuse is located on the passenger side of motor. I replaced our 250a fuse once cleared codes and came back. Researched and realized the intake transformer / solenoid for the heater was faulty.Table 1. SPN#729, FMI#4 ― Low Voltage at Intake Air Heater Signal Circuit -- Continued. MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 2. If not damaged, proceed to next malfunction. 5. Inspect intake air heater wiring 1. If damaged, replace intake air for damage. heater wiring (WP 0392, Vol 2). 2. If not damaged, proceed to next malfunction. 2.Triage Tech/Shop Foreman. Associates. 650 satisfied customers. Code Spn:1209 FMi:17 Spn:1761 Fmi:17 Spn:598 Fmi:7 2014. code Spn:1209 FMi:17 Spn:1761 Fmi:17 Spn:598 Fmi:7 2014 International pro star cummins engine … read more.SPN. Component. FMI. 20. Coolant Water Pressure. 1, 3, 5, 18. 51. Engine Throttle position (cold). 3, 5, 7, 12, 13. 91. Accelerator Pedal position. ….

Aug 18, 2022 · Fault Code SPN 729 FMI 5: BHutting: Entegra Owner's Forum: 12: 04-26-2022 11:38 PM: Check Engine Light SPN 2795 and SPN 641: camping fam: Cummins Engines: 3: 06-22 ... • For support with a warrantable fault/fault code, please submit an SF368 Product Quality Deficiency Report (PQDR) in the Product Data Reporting & Evaluation Program (PDERP) at2012 ihc buss spn 132 spn 158 spn 729 spn 1188 spn 3055. Replaced oil pres sensor and fuel pres sensor now got no start - Answered by a verified Technician We use cookies to give you the best possible experience on our website.SPN 729 FMI 5 - IAHC Open Load / Circuit..1840 Fault Overview..1840 Malfunction Indicator Lamp (MIL) Reaction..1840 Associated Faults..1840 ... SPN 729. This SPN indicates a problem with the Grid Heater.‪ 74.1 SPN 729/FMI 0. EPA07 DD15 Troubleshooting Guide - DDC-SVC-MAN-0029: Generated on 10-13-2008: Posted in DD15 Troubleshooting. Published by samuel07042012. View all posts by samuel07042012 Post navigation.SPN 657 FMI 5 Injector Driver #7 Open/Short To Ground 111 SPN 657 FMI 6 Injector Driver #7 Short To Power 113 SPN 658 FMI 5 Injector Driver #8 Open/Short To Ground 115 SPN 658 FMI 6 Injector Driver #8 Short To Power 117 SPN 695 FMI 9 J1939 TSC1 Message Receipt Loss 296 SPN 701 FMI 3 AUX Analog Pull Up 1 High Voltage Fault 264 ...Foreword. The descriptions and service procedures contained in this manual are based on designs and technical studies carried out through January 2012. The products are under continuous development. Vehicles and components produced after the above date may therefore have different specifications and repair methods.4 High side to low side short circuit in the injector 5 (in firing order) 5 Injector 5 (in firing order); interruption of electric connection 656 3 Injector 6 (in firing order); short circuit 4 High side to low side short circuit in the injector 6 (in firing order) 5 Injector 6 (in firing order); interruption of electric connectionSuspect parameter number 'SPN' fault code list. SPNs go from 0 to over 50,000 and the SPN was needed because of the extra complexity of commercial trucks so these codes in service literature described.Jun 13, 2018 · Cummins Fault Codes list for QSB, QSC, QSL9, QSM11, QSX15, QSK19, QSK23, QST30, QSK45, QSK60, QSK78 engines. To determine the malfunction, you just need to write out the fault code from the device in the cab and find the codes in the table by selecting your own engine type. High air temperature in inlet manifold (rear sensor, left row of ... Spn 729 fmi 5, Mechanic. High School or GED. 1,939 satisfied customers. Fault codes spn 82731, spn 563, spn 1067, spn 148803, spn. Fault codes spn 82731, spn 563, spn 1067, spn 148803, spn 148291, spn 153412, spn 82757 do you know what these could be … read more., SPN 790 FMI 7 . Wheel Speed Sensor, SA Right WSS Wheel End - Not Responding Properly ; N/A : N/A ; DTC: SPN 790 FMI 7 ; Bulletin: GDC22-228 ; Date: April 01, 2022, Preheating Sensor (Code 8.6, SID 70/SPN 729): Caused by either a fault in the cable harness or in the preheating relay. Understanding Fault Codes With ..., Hi my name is ***** ***** I have issues with 2013 international prostar maxxforce 13 The truck lose power and show this codes SPN 5319 FMI 31 Spn 5548 FMI 7 Spn 191. Fmi 16 Spn. 2588, FMI 15 Spn 2589, … read more, Cyl #5 RB Exhaust Temp Sens Failed. Low. X 4 4 4. 726*. (None). 1148. (30,45). 1150 ... FMI. DESCRIPTION. QSB. QSC. QSL9. QSM1. 1. QSX1. 5. QSK19. QSK23. QS. T., SPN FMI Sub-section ConditionDescription 27 0 EGR(page1074) EGRPfault:overtemperature ... 729 4 IAHC(page1272) IAHCshorttoGND 729 5 IAHC(page1272) IAHCopenload ..., SPN FMI ServiceMaxxDescription Notes 2659 21 EGR Low Flow Rate Improvements were released for DTST but not DTHT or 570. Fault is being investigated. 729 18IAH Monitor fault: Lack of Heat in the Intake ManifoldIf IAH is working to spec, clear the fault and return the unit to customer. Fault is being investigated., Jul 31, 2022 · SPN 190 FMI 0 – Engine Speed Data Valid But Above Normal Operational Range – Most Severe Level. SPN 190 FMI 2 – Engine Speed Data Erratic, Intermittent Or Incorrect. SPN 190 FMI 16 – Engine Speed Data Erratic, Intermittent Or Incorrect. Inspect turbo for leaks, drain oil and remove pan and inspect engine block for damage. Test the sensor. , SPN FMI PID/SID PID/SID ID FLASH CODE FAULT DESCRIPTION 634 4 SID 40 1321 Constant Throttle Valve Circuit Failed Low 634 3 SID 40 1321 Constant Throttle Valve Circuit Failed High 634 5 SID 40 1321 Constant Throttle Valve Circuit Failed Open 636 1 SID 21 1235 Crankshaft Position Sensor Signal Voltage Too Low , SPN FMI 1st digit 2nd digit 1 1 No DTCs N/A N/A - Wheel Speed Sensor DTCs 21SA Left WSS Excessive Air Gap 1 789 1 3 1 SA Right WSS Excessive Air Gap 2 790 1 4 1 DA Left WSS Excessive Air Gap 3 791 1 5 1 DA Right WSS Excessive Air Gap 4 792 1 14 1 AA Left WSS Excessive Air Gap 5 793 1, New Design Old Design , Nov 2, 2015 · Has anyone had this Spartan error code? Spartan had us go to Cummins to replace a part. Part was replaced, warning light and code went away for a few days and now it has returned. Looks like I will be , If you have a unit with an active SPN 629 FMI 8 and the ECM was recently updated and/or the unit was built after 12/5/2013, please complete the following checks below. SYMPTOM(s) Active DTC 629 FMI 8 with MIL light on. DTC Malfunction Indicator Lamp (MIL) Description SPN 629 FMI 8 MIL will illuminate when this fault is detected during two, New Design Old Design , The Suspect Parameter Number (SPN) is diagnostic fault code terminology found on some Caterpillar ® products using a J1939 CAN data link. The Society of Automotive Engineers (SAE) developed the J1939 standards and SPN code terms have been assigned for specific parameters (component or system circuits) that diagnostic trouble codes (DTC) are …, 13. ECU. internal ecu failure. 254. 14. ECU. internal ecu failure. This is a complete list of WABCO fault codes. You can find commonly occuring fault codes and some of the more hard to find ones in this list. , Since there are different causes of the error code, it could be hard to identify the exact cause if you concentrate on the error rather than looking at the cause.In fixing this error code, you should remember that the code itself is not the problem but an indication of other underlying issues., SPN:654 FMI:5 Injector 4 open coil - open circuit IK1201269 -2010 Maxxforce DT, 9, 10 and 2014 N9, N10 engines; Injector circuit faultsPage 1 of 6 https://evalue ..., • 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 • …, whatsapp +51955515985; [email protected]; 24/7 Customer Support; Facebook-f Twitter Github Bitbucket Twitter Github Bitbucket, PID/SID-FMI J1939 SPN-FMI Diagnostic Code Description 55-5 55-5 Auxiliary Output #07 Current Low (Eaton Top 2 Shift Solenoid) 55-6 55-6 Auxiliary Output #07 Current High (Eaton Top 2 Shift Solenoid) 64-8 723-8 Secondary Engine Speed Abnormal Frequency 71-0 592-0 Idle Shutdown Override 71-1 593-1 Idle Shutdown Occurrence ..., TM 5-3895-385-23-1. 0067. Table 1. SPN#729, FMI#3 ― High Voltage at Intake Air Heater Signal Circuit -- Continued. MALFUNCTION. TEST OR INSPECTION. CORRECTIVE ... , Location: Kansas. Posts: 72. Spn 729 fmi 5. Has anyone had this Spartan error code? Spartan had us go to Cummins to replace a part. Part was replaced, warning light and code went away for a few days and now it has returned. Looks like I will be making another trip back to Cummins. __________________. Chad and Nanci., I have the SPN 729 FM5 check engine code. I've had it for some time and now would like to fix it. Hoping you guys can help me out.I have read forum posts on this problem but am still vague on some areas., Preheating Sensor (Code 8.6, SID 70/SPN 729): Caused by either a fault in the cable harness or in the preheating relay. Understanding Fault Codes With ..., SPN 729-FMI 5 Inlet Air Heater Relay Open Circuit. SPN 729-FMI 6 Inlet Air Header Relay Short Circuit. SPN 733-FMI 5 Rack Sensor Open Circuit., Download Instructions. Select the FIS file for Download. Select the location: C:\intelect\INSITE\FIS. (If INSITE is installed on another drive other than C, substitute the appropriate Drive letter.) Click Save. Click "Yes" to overwrite and replace the existing file. (If the file is read only, right click on the file, select Properties, Deselect ..., DTC SPN FMI Circuit CONDITION DESCRIPTION 1112 168 3 ECMPWR B+out-of-rangeHIGH 1113 168 4 ECMPWR B+out-of-rangeLOW 1114 110 4 ECT ECTsignalout-of-rangeLOW 1115 110 3 ECT ECTsignalout-of-rangeHIGH 1116 7266 10 (TBD) GSCinputcircuitfault 1121 102 3 MAP MAPsignalout-of-rangeHIGH 1122 102 4 MAP MAPsignalout-of-rangeLOW, • For support with a warrantable fault/fault code, please submit an SF368 Product Quality Deficiency Report (PQDR) in the Product Data Reporting & Evaluation Program (PDERP) at, Posts: 1,754. Check Engine Code SPN 101 FMI 16 OC 3. Was wondering if anyone has experience with this code. Freightliner 24/7 says it is thrown for Crankcase Overpressure, might be attributed to a filter located on top of valve cover for crankcase ventilation. We are in Colorado, and experienced this code, the last number 3 indicates …, 13. ECU. internal ecu failure. 254. 14. ECU. internal ecu failure. This is a complete list of WABCO fault codes. You can find commonly occuring fault codes and some of the more hard to find ones in this list. , • “ECM SPN 655, Engine Injector Cylinder 5 – MID 128 SID 5”, page 42 • “ECM SPN 656, Engine Injector Cylinder 6 – MID 128 SID 6”, page 43 • “ECM SPN 677, Engine Starter Motor Relay – MID 128 SID 39”, page 43 • “ECM SPN 729, Intake Air Heater (IAH) 1 – MID 128 SID 70”, page 44, 729. Engine Inlet Air Heater Driver #1. 730. Engine Inlet Air Heater Driver #2. 731 ... Aftertreatment 2 Diesel Exhaust Fluid Line Heater 5 Preliminary FMI. 5490.