Fault codes for freightliner

fault code 520762 3 on 2019 freightliner cascadia JA: I'm sorry to hear that you're experiencing a fault code 520762 3 on your 2019 Freightliner Cascadia, but our truck Mechanic will be able to help y … read more

I have 2017 FreightLiner Cascadia 3AKJGLDR3HSHR5887 Vehicle Attributes Engine: 6 - 14.8L 903ci DIESEL type DD15 - Submodel: 125 Body Type: Tractor Truck - Long Conventional Drive Type: 6 X 4 One Active Code DPFFilter Efficiency Too Low No Associated Parameter SPN 520349 FMI14.To avoid injury from electrical shock, use care when connecting battery cables. The magnetic switch studs are at battery voltage. 7. Turn the ignition ON (key ON, engine OFF). 8. Measure the voltage between pins 11, 12, 14, 15, 18 and ground of the 21-pin ACM connector, harness side. Is the voltage measurement on pins 11, 12, 14, 15, and 18 ...SPN FMI PID/SID PID/SID ID FLASH CODE FAULT DESCRIPTION 615 3 SID 155 1615 Compressor Differential Pressure Outlet Failed High 615 14 SID 155 1615 Doser Metering and Safety Unit Valve Seals Check 615 14 SID 155 1615 High Pressure Pump, Leakage or TDC Position Wrong 615 4 SID 155 1615 Flap In Front of EGR Cooler Circuit Failed Low …In today’s advanced automotive world, diagnostic fault codes play a crucial role in identifying and resolving issues within vehicles. These codes are generated by the onboard compu...2019 Freightliner Cascadia DD15Initial diagnostic and troubleshooting of intermittent fault code SPN 4364 FMI 17 "Nox Sensor Valid but out of normal range."N...Freightliner Business Class M2 Fault Codes List - Bulkhead Module. Multifunction Turn Signal Switch Disagreement–Both wiper high and wiper low inputs are on. Unknown …

It will only tell you which module has the fault, ECU128 is the motor control module (MCM) for example. You have several modules that can have fault codes. You have a MCM, CPC, chassis SAM, Cabin SAM, Central Gateway, ABS, MSF, HVAC module. There can be a few more too depending on options.If you do not know how to reset fault codes on Freightliner Cascadia, here’s what you can do: 1. Turn off the battery switch for 15 minutes. 2. While waiting, check the oil level, coolant level, and the check engine lights. 3. After that, turn the knob back to the on position but do not start the truck immediately. 4.In today’s advanced automotive world, diagnostic fault codes play a crucial role in identifying and resolving issues within vehicles. These codes are generated by the onboard compu... 4. To Retrieve Active Codes: Start with the key in the ON position. Turn the key OFF and ON two times within five seconds ending with the key in the ON position. After five seconds, the gear display begins flashing two-digit fault codes. If there are no active codes the gear display will show code 25, followed by PD (Product Diagnostic mode). Reprogramming and emission label replacement corrects various fault code issues such as “SPN: 1636, FMI: 16 – CAC Efficiency Low”, “SPN: 2659, FMI: 0 – EGR Flow Target Error”, and “SPN: 520372, FMI: 16 – SCR Closed Loop Control At Maximum Limit.”. There are approximately 457 engines affected by this Field Service Campaign. ECU 128 code freightliner [What is It & Causes] 1 Comment / Other Vehicles / By Brian .A Do you have a Freightliner and saw an ECU 128 code? What exactly does this ... Eng rsrvd 128s 216 14, eng road speed bad 128 084 12. Please interpret. Answered in 1 hour by: Technician: FIX-IT. FIX-IT. Category: Heavy Equipment. Satisfied Customers: 1,266.

Here are list of Fault Codes: http://ddcsn-ddc.freightliner.com/cps/rde/xbcr/ddcsn/DDC-SVC-BRO-0117.pdf Second link is also very useful: http://dd15trouble...Every Fault Code, Every Time. Diesel Repair has the BIGGEST fault code database in the diesel industry: every commercial truck DTC from the introduction of Electronic Control Modules (ECMs) to the current year and models. OEM and generic are all accounted for, so no matter how you retrieve the codes, you’re able to find the repair information ...J1587 Data Link Troubleshooting. This is a unique fix as it does not require standard mechanical repair work. This code is a communications failure code and no amount of mechanical skill will be needed to fix it. When it is a communications fault code, then the problem is going to be around every electrical component in your vehicle.If you are using a scan tool, some common fault codes associated with the gas pedal problem in Freightliner semi-trucks you can look out for include: FMI 4 - accelerator pedal supply voltage failed low; FMI 8 - accelerator pedal 2 missing; FMI 8 - accelerator pedal signal 1 missing; FMI 12 - CPC hardware; These are the fault codes related to ...Custom-built Freightliner vehicles are equipped with various chassis and cab components. Not all of the ... fault codes, and other technical data may be recorded. ... Having …

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b. No; update the MCM software level and perform the verification procedure in the table above. If the fault code does not return, release the vehicle. If the fault code returns, Go to step 4. 4. Inspect the front grill for air blockage including winter fronts, plows, or large hose reels. Is any blockage found? a. Yes; repair as needed. b. No ... ECU code 128 on a 04 Freightliner. Answered in 32 minutes by: Technician: Buddy. HiCustomer Welcome to JA. I am Buddy, and i will try and help. There should be some more numbers along with that code. 128 just means that is a engine code. Try using you button on your dash display and see if you can get more numbers. Let me …Freightliner Codes; Trouble Code Fault Location Probable Cause; P1000 – P1099 (Fuel and air metering and auxiliary emission control) P1000: Ignition coil, 5 -primary circuit range/performance: Wiring, connectors, ignition coil 5, ECM: P1001: Ignition coil, 5 -primary circuit high: Wiring, connectors, ignition coil 5, ECM: P1002I have a 2011 Freightliner Cascadia. I have two Fault codes. I had the A/C on today and it never seemed to get cold. Any ideas on where two start. 1. check wiring to ac clutch for broken or frayed wires. check the connector for damaged pins. 2. check all your lights. make sure all your lights work.Jan 22, 2024 · The ECU 128 Code is an indicator that there is a problem with the Electronic Control Unit (ECU) in a Freightliner truck. The ECU is responsible for managing and controlling various aspects of the engine’s performance. When the ECU detects an issue, it generates a fault code, which is displayed as ECU 128 on the truck’s dashboard. Oil was low we put a container of oil in the engine. SFU 49 is the other fault code we are getting. Answered in 36 minutes by: Technician: go-west.. go-west.. Category: Satisfied Customers: 1,266. Verified. Ask Your Own Medium and Heavy Trucks Question.

45 – Low oil pressure. 46 – Low voltage supplied for powering the ECM motor. 47 – High Intake Manifold Pressure. 48 – Low Intake Manifold Pressure. 52 – ECM motor fault. 53 – Engine ECM Fault. 54 – Vehicle speed sensor, wires or connectors defective. 55 – J1939 data line, wires or connectors are defective. ECU 128 fault code on Freightliner Trucks. By | 0 Comment. Diagnostic trouble codes ECU 128 on Freightliner trucks usually indicate an engine problem. ECU code 128 ... Code Overview page. Verify all fault codes, including Fault Code 3714, 6255, 6254, or 3712, are inactive. If the “Clear All Faults” command was used to clear all faults in the ECM, use recommended Cummins® electronic service tool or equivalent to calibrate the ECM with the latest calibration from QuickServe® Online or the April 2013 INCAL ...2011 freightliner cascadia has a eng 1 fault code Discussion in 'Freightliner Forum' started by Tower411, Oct 22, 2012. Oct 22, 2012 #1. Tower411 Bobtail Member. 1 0. Oct 22, 2012 ...SSAM Fault 520197/31 - MQ Switch Malfunction Troubleshooting Applicable Vehicles New Cascadia Symptoms: Active SSAM fault code 520197/31; Cabin CAN switches inoperative, including hazard lights Troubleshooting: Refer to G66-01087-001 for MSF wiring diagrams. Found in PartsPro module 860.Continuous accumulation of the ABS code 520216/31 can result in the activation of ABS code 629/11, which essentially is a reset/reboot request code that requires cycling of the ignition key to clear. If the ABS code 629/11 becomes active, it will have a cascading effect that nulls the adaptive cruise control on a New Cascadia.Sep 18, 2017 ... ... Freightliner Dealer. Good Luck Guys and be Safe out there ... How to Reset Codes on a Semi Truck ... How To Reset Fault Codes Yourself. Trucking ...2 SPN 3031/FMI 4 - GHG17 Diesel Exhaust Fluid Tank Temperature Sensor Circuit Failed Low Table 1. SPN 3031/FMI 4 Description This Fault Code Sets when the Aftertreatment Control Module (ACM)Sep 7, 2018 ... [b] If fault code 146 02 is still active, go to step 4. 4. Bridge pin 3 of the EGR valve to ground and check for active fault codes. See Figure ...2018 Freightliner Cascadia Technical Service Bulletins. ... Resolves an issue where fault codes may be introduced after reprogramm . Communication Number: WP20-006, Date: 2020-04-23 Category: 350000 EQUIPMENT Summary: Warranty Policy Letter for Handling for Authorized Service Location Part Transfers. To promote 24-hour …

EGR Mass Flow Sensor. 0,1. MID 128 PPID 86. Engine Brake Torque Percent. 9. MID 128 PPID 89. Variable Geometry Turbo Temperature. 0. MID 128 PPID 119.

a. Yes; repair those fault codes first. b. No; Go to step 3. NOTICE: Do not attempt to operate engine with the DEF lines disconnected. DEF pump runs and circulates DEF through the system at a limited rate (default) to aid in system cooling. WARNING: PERSONAL INJURYFrequently Asked Questions Of Freightliner Fault Code List What Are Common Freightliner Fault Codes? Common Freightliner fault codes include P0101, P0335, P0720, P1214, P1482, and P1682. These codes indicate issues with the engine, transmission, and emissions system.Sep 18, 2017 ... ... Freightliner Dealer. Good Luck Guys and be Safe out there ... How to Reset Codes on a Semi Truck ... How To Reset Fault Codes Yourself. Trucking ...FMI stands for failure mode identifier—this part of the fault code tells you what type of problem your truck has. For example, in the fault code SPN 3226 FMI 13, the SPN number 3226 tells you the problem is with the SCR outlet NOx sensor and FMI 13 tells you that the signal from the part is unavailable. Another example is SPN 3250 FMI … If you do not know how to reset fault codes on Freightliner Cascadia, here’s what you can do: 1. Turn off the battery switch for 15 minutes. 2. While waiting, check the oil level, coolant level, and the check engine lights. 3. After that, turn the knob back to the on position but do not start the truck immediately. 4. Freightliner Business Class M2 Fault Codes List - Bulkhead Module. Multifunction Turn Signal Switch Disagreement–Both wiper high and wiper low inputs are on. Unknown …4. Check for multiple fault codes. Are there any ITV fault codes present? a. Yes; diagnose the other fault codes first. b. No; Go to step 5. 5. Compare the Barometric pressure reading in the MCM to the local Barometric pressure. Is the Barometric pressure reading in the MCM within 6 kPa (1 psi) of the local Barometric pressure? a. Yes; Go to ...

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10. Does the fault code go inactive when the engine harness 10-pin connector is disconnected? a. Yes; repair wiring harness between 10-pin connector and the Fan Speed Sensor (if equipped). Refer to Original Equipment Manufacturer (OEM) literature to identify chassis components wired to the 10-pin connector. 9 11-14Frequently Asked Questions Of Freightliner Fault Code List What Are Common Freightliner Fault Codes? Common Freightliner fault codes include P0101, P0335, P0720, P1214, P1482, and P1682. These codes indicate issues with the engine, transmission, and emissions system.Freightliner and Detroit Diesel are both owned by Daimler which is why most Freightliners have Detroit Diesel engines with OBD codes as below. Fault Codes for Freightliner HD Trucks with Detroit Series 60 Engines with DTEC II. To Read Codes: Use diagnostic data reader or short pin A to pin M. The latter method will flash codes at the CEL. Codes ...The Freightliner Cascadia J1939 Fault Codes – System Overview serves as a vital reference for technicians and mechanics working on Freightliner Cascadia trucks. By understanding the J1939 diagnostic system, interpreting fault codes, following diagnostic procedures, and adhering to safety precautions, technicians can effectively diagnose and ...Hello, I have a 2011 Freightliner Cascadia with a DD15 engine. I had the DPF filters cleaned last month and now it is running with the engine & check engine light on. the yellow light for the DEF level indicator is flashing even though the tank is full of DEF fluid. It states that there is 7 faults. here is what I copied down, 1) SFU 49 523530 ...a. Yes; repair the EGR system fault codes first. b. No; Go to step 5. 5. Are there any fuel system fault codes present? a. Yes; diagnose the fuel system fault codes first. b. No; Go to step 6. 6. Are there any other NOx sensor fault codes present? a. Yes; diagnose the other NOx sensor fault codes first. 01 01-18Nov 7, 2018 · Good morning I have a 2011 Freightliner Cascadia Dd15 with a couple of codes if you can help1. Cab 33 521908 fail 5 2.###-##-####fail5 3. 545 25 spn 1548 fail 5 4. Eng 1 spn 100 fail 1 Vin # 1FUJGLDR8 … This is because the heavy duty industry adapted to use the J1587/J1708 for the way they opted to send diagnostic fault code messages on older trucks. The channel for communication happens on this low speed protocol. Not all manufacturers use this protocol to transmit the engine related fault codes. This communication is usually more common on ...Engine Fault codes (MID, PID, SID, FMI) FREIGHTLINER. Component Codes (MID) MID / Description / Old Text Message / New Text Message * 128 Engine # 1 ENGINE ENG 130 automatic transmission – † Trans 136 Anti-lock Brake System (ABS) TRCTR BRK Brake 140 Panel, Left INSTRCLST Instr 142 Panel, Right # 1 INSTRCLST MGMT 172 Diagnostic System ...Mar 15, 2022 ... busministry # busmaintenance # keepthebusesrolling Church Bus or School Bus Maintenance Tip This video shows how you can get the engine ...GPS location data, fault codes, and other technical data may be recorded. This data may help provide a better understanding of the circumstances of a crash. Personal data such as name, gender, and age are not recorded. However, other parties such as law enforcement, could combine the data logger’s con- ….

Common Subsystem Codes (SID for any MID) 151 – 153 Freightliner fault codes. 151 System Diagnostic Code № 1. 152 System Diagnostic Code № 2. 153 System Diagnostic Code № 3. Common Subsystem Codes (SID for any MID) 154 – 248 Freightliner fault codes. 154 System Diagnostic Code № 4. 155 System Diagnostic Code № 5. 219 …May 12, 2020 ... I called Freightliner this morning. Has something do with the smart switches and the bulkhead module. Have an appointment next week for them to ...Every Fault Code, Every Time. Diesel Repair has the BIGGEST fault code database in the diesel industry: every commercial truck DTC from the introduction of Electronic Control Modules (ECMs) to the current year and models. OEM and generic are all accounted for, so no matter how you retrieve the codes, you’re able to find the repair information ...Summary: Customer Advisory Letter for GWR Label Correction. Freightliner 108SD/114SD, Coronado, New Cascadia, and Business Class M2 vehicles and Western Star 4700 and 4900 vehicles equipped with a certain tire rating have the wrong Component GWR lab. Communication Number: SB32-033, Date: 2020-03-30.Contact WABCO North America Customer Care at 855-228-3203 (United States and Canada); 001-800-889-1834 (Mexico); or email [email protected]. If Tools and Supplies are Specified in This Manual. Call Meritor’s Commercial Vehicle Aftermarket at 888-725-9355 to obtain tools and supplies. WARNING.After connecting the adapter and loading the app, you will see a tab marked “Fault Codes”. Tap on that and you will be brought to a screen similar to this; When I click on the code in the OTR Diagnostics app it brings me to a screen with: Code status. Number of times occurred. The code number. An overview of the code gives you a brief ... 006. Marker Interrupt Switch Fault. 7. 007. Multifunction Turn Signal Switch Disagreement–Both wiper high and wiper low inputs are on. 2. 008. Multifunction Turn Signal Switch Disagreement–Wiper on/off is off and wiper high or low input is on. 2. Feb 28, 2023 · J1587 Data Link Troubleshooting. This is a unique fix as it does not require standard mechanical repair work. This code is a communications failure code and no amount of mechanical skill will be needed to fix it. When it is a communications fault code, then the problem is going to be around every electrical component in your vehicle. May 12, 2020 ... I called Freightliner this morning. Has something do with the smart switches and the bulkhead module. Have an appointment next week for them to ... Fault codes for freightliner, Freightliner Century Class S/T Engine #1 - MBE Auxiliary PWM Driver #3 128 SID 59 FMI 5 Current Low - Open Status: Active Engine #1 - MBE Auxiliary PWM Driver #4 128 SID 60 FMI 5 Current Low - Open Status: Active Instr Outside Temp Short 140 171 38 Any ideas on any of these fault codes, I've done all the research I can on them and have had no ..., I have a 2011 Freightliner Cascadia. I have two Fault codes. I had the A/C on today and it never seemed to get cold. Any ideas on where two start. 1. check wiring to ac clutch for broken or frayed wires. check the connector for damaged pins. 2. check all your lights. make sure all your lights work., Table 6. 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 Parameter., 5. Clear codes and cycle ignition OFF. 6. Turn the ignition ON (key ON, engine OFF). 7. Does the code return? a. Yes; replace the AP, clear codes and verify repair. Refer to Original Equipment Manufacturer's (OEM) literature. b. No; Go to step 8. 8. Gently wiggle pedal and harness connector to simulate road vibration. 2 SPN 2623/FMI 2 - GHG14, printing. Freightliner Trucks reserves the right to discontinue models and to change specifications or design at any time without notice and without incurring obligation. Descriptions and specifications contained in this publication provide no warranty, expressed or implied, and are subject to revision and editions without notice., 108SD and 114SD Maintenance Manual. Foreword. Introduction. 00 General Information. 01 Engine. 09 Air Intake. 13 Air Compressor. 15 Alternators and Starters. 20 Engine Cooling/Radiator., Navigate to the “Clear Codes” Option: Most diagnostic tools have a menu-driven interface. Navigate through the menus to find the option to “Clear Fault Codes” or a similarly-worded command. Clear Code: Follow the prompts on the tool to clear the EEC 61 code. Recheck: After clearing the DTC code, it’s wise to recheck to ensure no ..., Special tools: DBT2V700, 85112740 15.Install all previously removed cables to the ground (negative) battery terminals. 16.Start the engine, check for leaks and proper operation. After shutdown, replenish fluids as necessary. Use Tech Tool to check and clear any diagnostic trouble codes (DTC). DTC: SPN 110 FMI 0 // P0217-00 Bulletin: GDC18-058 ..., The output shaft speed sensor is providing invalid data. For a list of proprietary fault codes viewable on ServiceLink. AGS Proprietary Fault Codes (J1708) Fault Code. Description. 3000109. High voltage supply voltage—external (connector X1/12 and X1/15) 3000113. High voltage ignition key line—external (connector X1/9), What is SPN 2631 FMI 1. In simple terms, you have low airflow in your engine somewhere. This problem may be due to a leak or a blockage somewhere in your air intake system. The two places to check first will be the air filter and the air inlet pipe to the turbocharger. If the air filter is dirty, you either need to use high-pressure air to ..., 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., If no codes are active, the gear display will flash code 25 (no codes). 6. Two digit fault codes will be displayed in the gear display. Record the codes. A one or two second pause separates each stored code, and the sequence automatically repeats after all codes have been flashed. Clearing Fault Codes 1. Start with the key in the ON position., Common causes of ECU 128 code on Freightliner trucks include: Oil Pressure Sensor Fault:… By visiting our site, you agree to our privacy policy regarding cookies, tracking statistics, etc. Read more, In This Video I Will Be Showing You How You Can Pull Your Fault Codes Right From Your Dashboard On A 2017 Freightliner CascadiaWelcome Back Level Up Family! ..., Make sure your DEF (Diesel Exhaust Fluid) tank is 1/2 to FULL, you have a indicator on your fuel gauge with 4 green squares, this is your DEF level. If your DEF got low, it will throw an EEC61, but you need to fill the DEF tank 1/2 full or more. After you drive awhile, after 3 key cycles that light should go off., 2. Using DiagnosticLink ®, check for any outlet NOx sensor communication or voltage fault codes. Are any other fault codes present? a. Yes; repair those fault codes first. b. No; Go to step 3. 3. Disconnect the outlet NOx sensor electrical connector. 4., ECU 128 code freightliner [What is It & Causes] 1 Comment / Other Vehicles / By Brian .A Do you have a Freightliner and saw an ECU 128 code? What exactly does this ..., Electronic phase protector is used to protect compressor motors or other three phase motors from voltage faults. Expert Advice On Improving Your Home Videos Latest View All Guides ..., Freightliner codes are obtained through diesel engine parts sites, such as DieselServiceParts.com. The site provides a long listing of codes that enable truckers and mechanics to d..., AGS Proprietary Fault Codes (J1708) Fault Code: Description: 3009910: Test bench mode activated—internal: 3010390: Automatic module: signal group cruise control / retarder—internal: 3010690: Automatic module: signal output speed—internal: 3010790: Automatic module: signal group MR—internal: 3010890: Automatic module: signal group gear ..., Jun 2, 2021 · Fault code 520762 3 on 2019 freightliner cascadia. No issue fault code 520762 3 on 2019 freightliner cascadia JA: I'm sorry to hear that you're experiencing a fault code 520762 3 on your 2019 Freightliner Cascadia, but our truck Mechanic will be able to help y … , Here are list of Fault Codes: http://ddcsn-ddc.freightliner.com/cps/rde/xbcr/ddcsn/DDC-SVC-BRO-0117.pdf Second link is also very useful: http://dd15trouble..., Freightliner is like a lot of other manufacturing companies. They have created their own fault code list to make sure their products can be repaired correctly. In this article, you will find the complete list of Freightliner PID, MID, and SID fault codes to make your repair life simpler., AGS Proprietary Fault Codes (J1708) Fault Code: Description: 3009910: Test bench mode activated—internal: 3010390: Automatic module: signal group cruise control / retarder—internal: 3010690: Automatic module: signal output speed—internal: 3010790: Automatic module: signal group MR—internal: 3010890: Automatic module: signal group gear ..., 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 Injector ..., What does the ECU 128 code indicate on your Freightliner? The ECU 128 code in Freightliners is similar to the check engine light. It is not a fault code on its own, …, Step 4: Utilizing The Diagnostic Tool. If the light remains, you may need to use a diagnostic scan tool. The OBD-II (On-Board Diagnostics) port is usually found near the dashboard. Plug in your scan tool, follow the on-screen instructions to find the ABS fault code, and clear it from the system. It’s worth noting that not all scan tools are ..., After connecting the adapter and loading the app, you will see a tab marked “Fault Codes”. Tap on that and you will be brought to a screen similar to this; When I click on the code in the OTR Diagnostics app it brings me to a screen with: Code status. Number of times occurred. The code number. An overview of the code gives you a brief ..., 2019 Freightliner Cascadia DD15Initial diagnostic and troubleshooting of intermittent fault code SPN 4364 FMI 17 "Nox Sensor Valid but out of normal range."N..., Feb 23, 2020 ... Comments104 ; Freightliner Detroit Check Engine Codes. Double D Distribution · 111K views ; Prime Inc. Makes Public Announcement To 9442 Truck ..., If you do not know how to reset fault codes on Freightliner Cascadia, here’s what you can do: 1. Turn off the battery switch for 15 minutes. 2. While waiting, check the oil level, coolant level, and the check engine lights. 3. After that, turn the knob back to the on position but do not start the truck immediately. 4., b. No; update the MCM software level and perform the verification procedure in the table above. If the fault code does not return, release the vehicle. If the fault code returns, Go to step 4. 4. Inspect the front grill for air blockage including winter fronts, plows, or large hose reels. Is any blockage found? a. Yes; repair as needed. b. No ... , inaccurate misfire detection and fault code SPN 4203 FMI 13 – Crankshaft Position System Variation Not Learned may set. The learn procedure is done using PowerLink. Refer to …