The rest of the injection system compensates for the weakening lift pump, which strains the whole system. It creates a space for spunk to leap across and thus your engines combustion gets initiated. Well that's new lol I was going to say that maybe someone was in there with calterm screwing around but after a incal flash that cant be it. What Do Trouble Codes Mean and Indicate To? When it comes to repairing your heavy-duty Ford truck, Dodge truck or Chevy truck, ProSource Diesel has all the reliable and hard-to-find diesel truck parts and kits you need to keep your rig in good shape. Have the batteries tested. If the new scanner also fails to read any codes, you should take your car to the dealership or a reputable auto repair shop for an expert diagnosis. No codes CEL would only flash when traveling above 40mph, which I thought was strange, and after 10 more minutes driving to work, STILL no codes. In this guide, we take a closer look at what can cause this rare occurrence. They also use many of the same Cummins parts. Sometimes it takes a few engine shut offs/restarts in town before the light comes back on, but it always comes back on and the drivability issues immediately return. Ensure that you use a scanner compatible with your Dodge Cummins and can read many codes. Olympic NP Both the Check Engine (yellow) and the Stop Engine (red) will come on. Press trip meter button and hold for 10 seconds while ignition on then ignition off, on, off, on and leave it. I took it back to the dealer and they said they had no idea why the light was on, the truck is showing no codes at all. RELATED: How to Reset a Check Engine Light. For 2022, CarMD's top 10 check engine codes are: 1. Anyone ever come to any conclusions on this issue? If the connector is compromised, cleaning away the dirt and debris only takes a couple of seconds. Are you using the right scanner and is it capable of reading a multitude of codes? Follow the instructions to the letter and check whether your Dodge Cummings will yield an error code. All sensor replaced, catalytic converter, O2 sensors, purge valve, canister, control module wire harness, smoke test twice, gas cap twice. JavaScript is disabled. And over, and over I go. Replace oxygen sensor (s) $242.87 3. Then, they also wanted to add subsystem based trouble codes in the vehicle. Might just need to have the dealer clear low DEF codes. Reasons For A Check Engine Light On But No Codes, How to Fix Check Engine Light With No Codes. Disconnecting the batteries will not clear a code, it will turn off the check engine light but the code is still in the ECM generally. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. There were no noticeable power or performance issues under light load. It basically invokes the power of your engine and it reaches the wheels. Check Whether the Light is Blinking or Steady, Probable Reasons Behind No Codes Found Problem, #3. In that case, the problem might be occurring due to your cars mass airflow sensor. check engine light is on - check & advise - need estimates parts: (1.0) injector (21089234) complaint: check engine light is on - cause: hook up lap top to check codes. In that case, you better turn your car off, pull over, and look for professional assistance. Sometimes, the problem is with the transmission system of your car. If the resistance is lower than the recommended range, this is proof that a short circuit is diverting current away from the area. I have exactly the same problem on my 2014 Ram 3500. Just because you can, does not mean you should. Catalytic Converter Needs to be Replaced #4. But most often the cause of them not being able to find the code is purely equipment related and not an extra engine issue. So, if you want to run your car smoothly, then you must replace your faulty spark plugs and get a new one with new wires. Does it tell you which codes are active on your ICU? Not a $19.95 one. Figure 1. Disabled ECM Problem Solving the Check Engine Light On #1. The easiest way to do this is to test the scanner on a different car to see whether it is functioning correctly. Turbo? If your scanner is new, and you purchase it to investigate the check engine light to no effect, it is likely incompatible with your Dodge Cummins. Here are some details on my situation, in case someone recognizes the issue or wants to take en educated guess. 3. Diagnostic Fault Codes For Cummins Engines Applies to Engine Models QSB T2, QSC T2, QSL T2, QSM11, QSX15, QSK19, QSK23, QST30, QSK45/60/78 . This will lead your control module to detect some unusual stuff happening in the background and your check engine light will be turned on. So, with this intention car makers applied to the concerned authority for the establishment of enhanced trouble codes for powertrain ones which would start from P0001 and continue up to P3000. Before getting into how you can solve your check engine light turning on without any stored codes, we need to investigate the causes of this condition. We have compiled some Mack Diagnostic Trouble Code (DTC) guides to help you interpret these codes and understand these codes. Once you are done replacing the scanner to read enhanced codes, now there comes the point of finding probable background malfunctions of your car when you see the engine light on. Motorhome Tour It could be a faulty sensor, a loose gas cap, or a problem with the emissions system. My first step would be the actuator test, then the reflash. JavaScript is disabled. Dodge Cummins 98.5-02 24V Forums, Mopar1973Man's Dodge Cummins Articles - P0236 MAP sensor Too High Too Long, MAP Signal Circuit Short To Sensor Ground. No Lamp Action Section 2-1 80-1044 Rev 5/2013. Locate the fuse that runs through the ECM, ECU, or PCM and check whether it is blown. We encourage auto enthusiasts to share our articles on social media. OBD systems remain standard across all new car makes and models. The other error, SPN 3031 FMI 9, relates to the DEF system. Key trick is worthless, so don't rely on it. Consult your owner's manual for the fuse layout. Like this content? Is that possible? 06 Megacab SRW 5.9 Auto, tripple disc, and billet goodies, Wicked 90's, Diprocol Gauges, 5", AFE Stage 2 w/PG7 filter, GDP MK2 big line kit, Smoked Recon lights and the Smarty. If you have a check engine light on in your Dodge 5.9 Cummins Diesel truck, use a code reader to pull the diagnostic code and then look it up in this list: P0016 Crankshaft/Camshaft Timing Misalignment/Out-of-Sync P0071 Ambient Temperature Sensor Performance / Rationality P0072 Ambient Temperature Sensor Low P0073 Ambient Temperature Sensor High i would next have to say that either the gauge cluster itself is shorted or the ecm is bad. Engine Oil Temperature Sensor Circuit- shorted high . Walnut Canyon NM Read the owners manual to figure out which fuses you should check. If your check engine light is on but cant see any codes, its most likely due to having the wrong scanner or one that is incompatible with your vehicle. If the problem isnt caught early enough, then a new block may be necessary. 2015 Cummins Inc., Box 3005, Columbus, IN 47202-3005 U.S.A. Bulletin 4971518 Printed in U.S.A. 9/15 cumminsengines.com DEF If it doesnt, a short might be the problem. I have 02 Prius. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Be sure to check for: Catalytic Converter Needs to be Replaced, Castrol Edge vs Mobil 1 [Two Leaders Compete Here], How Often Should I Use Fuel Injector Cleaner? Other concern was poor shifting. Malfunction indicator lamp (MIL) will illuminate or flash if certain faults are recorded . While you may think you have automotive diagnostics in the bag, theres always the chance that you missed something. Cummins Engine RV 2012 - Newmar . Custom pinstriped Power Wheel. These sensors produce signals that are interpreted by the engine computer or engine control module (ECM). I decided to swap pumping units off the other truck and the pressure fluctuation followed the pumping unit to the other truck. If things are steady, then most probably there is no emergency situation but the problem needs to be understood well before applying a specific solution. And I did that, I just replaced the actuator this week, but I'm still getting check engine light, codes and intermittent drivability issues. Your email address will not be published. So, if you find your check engine light on, then one of the most probable reasons could be the failure of your catalytic converter. It still throws both codes on a pretty regular basis. Drivers arent off the hook so easy, because there is actually an issue with their engine. As mentioned yesterday, after the Rancho Jurupa campground we were going to head to a Thousand Trails park in the Palm Springs area, but due to Check Engine and Malfunction Indicator lights coming on, and the DEF gauge jumping to fullduring a drive, we decided to take the coach to a nearby Cummins service shop (the manufacturer of the diesel engine). Additionally, if you choose to go to a local auto parts store for a free code scan, the workers there arent busting out an expensive diagnostic tool. no lamp-on message from the PCM or ECM for ten seconds, the MIL is illuminated by the instrument cluster to indicate a loss of bus communication. All Rights Reserved. The check engine light should turn off once you replace the blown fuse. Then cycled the key 3X for the Dodge display, P Done (no Codes), then broke out the Actron - once more no codes. As youve seen, these no code issues can be taken care of. ok i did the actuator test but. how the heck do i read the codes that come up?????????? Sometimes there are codes and no check engine light. You must log in or register to reply here. A forum community dedicated to Dodge Cummins Diesel truck owners and enthusiasts. If you are getting a check engine light or having problems with your 2011-2015 Dodge 6.7 Cummins truck, use a code reader to pull the diagnostic trouble codes and look them up on this list: P-00af-Turbocharger Boost Control Module Performance P-003a-Turbocharger Boost Control Module Position Exceeded Learning Point Once the Cummins fault codes are obtained, the next step is to find out what they mean and also how to clear them. Glacier NP Vehicle Fitment:2003,2004 Dodge 5.9L Cummins Diesel Exhaust Material: T-409 stainless steel. Part of it may have to do with the sheer power and torque the Dodge Ram 6.7 makes. MHH Auto greatly appreciates the cooperation from members on this critical issue. Usually, they come in for different reasons. the simple guide to the check engine light caradvise how to read check engine light codes with a check engine read clear check engine light codes youcanic amazon com ancel bd300 bluetooth bmw mini cooper obd1 Right here, we have countless book Peterbilt Cummins Check Engine Light Codes and collections to check out. Big Bend NP Kodachrome Basin SP Do this without starting your engine, and the light should go off after a few seconds. The ECM will turn off the amber CHECK ENGINE light immediately after the soot load in the aftertreatment diesel particulate filter has dropped below the moderately severe level. If you arent sure how to hunt down an electrical short, you may want to take it into the shop for further inspection. What could this be??? Come join the discussion about reviews, drivetrain swaps, turbos, modifications, classifieds, builds, troubleshooting, maintenance, and more! Drivers who suspect a blown fuse is causing their check engine light to switch on despite the lack of codes should consult their Dodge Cummins owner's user manual. I have a check engine light on and I cant figure it out. This light comes on the dashboard to alert you to an issue with the engine computer on your vehicle. I've used it quite a bit. Additionally, there's no error code. These intervals remain unchanged even in severe operating conditions. [ymm_selector template=horizontal_selector.php]. P0016 CRANKSHAFT/CAMSHAFT TIMING MISALIGNMENT - BANK 1 SENSOR 1. Corrosion on that connection can also cause communication problems. 2 months ago on a cold morning the check engine light came on, I read the codes, it had a P0111. After a while the exhaust brake quit working. Disabled ECM is a rare scenario. Owning a fancy car is not always about enjoying the luxury of driving smoothly, it can also bring the stress of maintenance if things go wrong without any prior knowledge. OBD2 stands for Onboard Diagnostics II. I've looked around some and seen where this happens some when adding more than 1 gallon of DEF I'm hoping that's my case. For example, a code can be active after the problem has been repaired. But, sometimes things go unusual like when you see your check engine light on but no codes found. It has not actually derated. This mainly happens when I'm starting from a dead stop or when I'm pushing down on the . STARTING BID: $1000 Location : Near Columbia, SC Stock Number : JB876 Serial Number : 1HTMMMMM1HH520606 Mileage : 67,060 Engine : Cummins ISB6.7L Horse Power : 220 Transmission : Allison Automatic Transmission GVWR : 25,500lbs, Front Axle 8,000lbs, Rear Axle 17,500lbs Inside Information : AM/FM Radio, Manual Windows, 60/40 Style Seating Outside . This site is protected by reCAPTCHA and the Google, Welcome to world's most trustworthy automotive forum, John Deere Fault 516434.31 - Emergency Derate Override Activated, 2350 isx turbocharger derate leads to boost erratic and high turbine temp faults. Grand Canyon NP This port is usually found under the dashboard. Every time the truck is serviced, the following items should be done: Oil changes for the 12-valve under normal operating conditions should be done every 6,000 miles or six months. Look for the fuse thats running the ECU, ECM or PCM and check to see if its been blown. MAP sensor can go bad and not set a code, check reading with scan tool versus actual. macko300exc- what is he had the dealer reset the ecm? There are many ECU's on your truck, how can you determine which one is the problem? But having a loose or faulty gas cap can also turn the check engine light on. I have a 2014 Ram 3500 Cummins. 613. You can find some good scanner alternatives here: The Best OBD2 Scanners. The procedure is probably similar to other models and years but the codes may be di. Our power system products include diesel and gas-powered generator sets ranging from 15 - 3750 kVA, alternators, diesel engines ranging from 49 - 5,500 hp, generator-drive engines, battery storage systems and integrated power systems that combine generator sets, paralleling controls and switchgear technologies . Saguaro NP Transmission problems are something you wont be able to fix on your own, so its better to see a professional who can solve this issue. I've found alot of issues with the termination resistor on the backbone in the main harness under the truck at the transmission. A fix should be implemented methodically, checking and repairing each component as needed. Just replaced my actuator go to motorcity mechanic and view his video it took about 6 hrs and didn't have to have calibrated. This will clear any pending or currently active codes. You are using an out of date browser. Reasons For A Check Engine Light On But No Codes If your check engine light is on but can't see any codes, it's most likely due to having the wrong scanner or one that is incompatible with your vehicle. Cummins 6.7. 00 / 14.05.14 FAUT CODES EnginE (Cummins) SPN FMI TEMSA DTC J1939 SPN/FMI Description Cummins Fault Code Cummins Description 629 12. Nothing obvious wrong. Increased fuel consumption. These days its nearly impossible to work on or repair a Cummins engine without knowing the fault codes. It notably prevents gasoline fumes from leaving. You will discover a decrease in your gas mileage and speed when there is any fault in your catalytic converter. When it happens, you will discover that your entire fuel system is cut off, gas mileage is decreasing and emissions are increasing altogether. If the fuse blows, juice cannot get to the required component. If you have a no code situation going with your OBD reader on the check engine light, one of these issues (if there are any) is likely the culprit. Probable Reasons Behind No Codes Found Problem #1. Turn the ignition key to on. Pennzoil vs. Mobil 1 Oil: Differences & Which Is Better? Engine knock. Same codes, same experience with the light coming on, going off. In such a scenario, you are left with 2 options only. It was cooler than when I normally start it, probably in the 30's, but I let the grid heater warm things up prior to starting it. Crater Lake NP The combustion chamber of your cars engine basically gets sealed by spark plugs. The simple answer here is that if your check engine light is on, even if no code is generated, then there is something going on with the engine. Any ideas on an easy fix? May light up in addition to other lamps. Close the doors and insert the key into the ignition, Cycle the key five times from off to run without actually cranking the engine, The timing gear housing and cam gear, but doesnt damage the housing, In the oil pan, but doesnt damage the housing, Timing gear and cam gear which does damage the housing, Cam and injection pump gears, which can kill the engine completely, Frequent short trips that keep the engine from reaching full operating temperature, Off-road driving or conditions that require 4WD, 15,000 miles or 12 months replace engine and chassis mounted fuel filters, 30,000 miles or 24 months replace engine air filter (check regularly at oil changes and replace as necessary), 60,000 miles or 48 months under normal driving conditions replace transfer case fluid (30,000 miles or 24 months for severe driving conditions), 67,500 to 75,000 miles replace crankcase ventilation filter or as indicated by the display (2007.5 2018 engines should be done at 67,500 and 2019+ engines at 75,000 max), 100,000 miles replace serpentine drive belt (inspect at oil changes and replace if necessary), Inspect steering and suspension system and parts for wear, Check all fluid and oil-holding components for leaks, Check the trucks parking spot for evidence of leaks. Very simple install and doesn't take much to do. Its most common on engines made between 1999 and 2002 with a 53 stamp on the block. The contents of this forum are for experimental & educational purposes only. But when I come back into town, at in town speeds 25-45 MPH, the check engine light comes back on and the codes return. However, a cracked hose that creates a small leak, and some other MAP sensor faults, may not be detected by the ECM. P2262 is an OBD-II generic code. Blown fuses cause drivers all sorts of headaches. Fuel filter intervals for the 24-valve are the same as the 6.7-liter, but 12-valve engines should have it replaced every 12,000 miles or 12 months, whichever comes first. Its easy to replace the faulty oxygen sensor following an instruction manual by yourself. Inspect the port where you plug in the code scanner. Have a Check Engine light on with no code? The Check Engine Light is otherwise known as the Malfunction Indicator Lamp. TS 45 Rev. Auto Glass by Tony: Finding the Right Auto Glass Company, 6 Ways To Make Your Used Off-Road Car Last As Long As Possible, How to Find Reputable Dealerships for Buses for Sale Canada, How To Use A Winch Strap For Different Purposes [Complete Guide]. Follow the instructions, no matter how simple they may be. The light should go off after a few seconds. My car has an issue with P440 code. Petrified Forest NP Canyonlands NP This issue is known by diesel enthusiasts as the killer dowel pin. Its a problem mainly on the 5.9-liter 12 and 24-valve engines made between 1989 and 2002. The best way to keep any diesel engine in good shape is to follow recommended maintenance schedules to stay on top of preventative repairs and replacements. Today in the middle of the freeway I lost all boost, my boost gauge read 0 and I started losing acceleration. We provide top quality parts for the specific make of your diesel truck. Every circuit and sensor in a modern diesel engine gives off a certain reading and specific voltage signal. If you havent invested in a high-quality scanner, now might be the time. This is the biggest way to help spread the word about car maintenance. Seven of the most common problems that can cause the check engine light to come on a Dodge vehicle are: A failed spark plug or ignition coil. Hemi 5.7. When an ODBII code does not accompany the check engine light, driving your Dodge Cummins is a bad idea because you cannot isolate the cause of the problem. While it is a rare occasion, there are reasons that the Check Engine Light is on, but no codes are showing. The codes I currently have are are listed below. Beyond this, if there actually is a problem with code storing, your mechanic should be able to diagnose and fix the problem relatively easily. If the seller was worried that the car wouldnt pass an emissions test, thus causing you to not want to buy it from them, they may have disable the ECM and prevented the vehicle from storing Check Engine Light Codes. So, whatever the reason is, replacing the ODB reader with the enhanced code readability might help you to find out the exact problem. Light will be turned on active after the problem isnt caught early,! Things go unusual like when you purchase through links on our site we... Read many codes Tour it could be a faulty sensor, a loose gas cap, or a problem the... Which codes are: 1 9, relates to the required component after the problem off certain... Been repaired experience with the light should go off after a few.... These no code issues can be taken care of commission, which supports our community computer! Mhh auto greatly appreciates the cooperation from members on this critical issue in operating!??????????????????. Compromised, cleaning away the dirt and debris only takes a couple of seconds capable of reading a multitude codes. Obd systems cummins check engine light but no codes standard across all new car makes and models cars mass airflow.... Come on not an extra engine issue owner 's manual for the that... We take a closer look at what can cause this rare occurrence is actually an with! Will discover a decrease in your catalytic converter impossible to work on or repair a Cummins engine without the. Capable of reading a multitude of codes any conclusions on this critical issue anyone come... Actuator go to motorcity mechanic and view his video it took about 6 and! If the connector is compromised, cleaning away the dirt and debris only takes a couple of seconds Blinking Steady. 2022, CarMD & # x27 ; s top 10 check engine ( red will... Work on or repair a Cummins engine without knowing the fault codes did... To work on or repair a Cummins engine without knowing the fault codes from the area fuses you check. Bank 1 sensor 1 quality parts for the weakening lift pump, which strains the whole system Basin SP this. But, sometimes things go unusual like when you purchase through links on our,! Equipment related and not an extra engine issue while you may think you have diagnostics... Compatible with your Dodge Cummins diesel Exhaust Material: T-409 stainless steel gives off a certain reading and voltage. May be necessary turbos, modifications, classifieds, builds, troubleshooting, maintenance, and look for assistance! Same codes, same experience with the termination resistor on the dashboard also cause communication problems to! In your gas mileage and speed when there is actually an issue with their engine alternatives here: the OBD2. Mil ) will illuminate or flash if certain faults are recorded runs through ECM... Help you interpret these codes and no check engine light will be turned on manual! Links on our site, we take a closer look at what can cause this rare occurrence be actuator. Systems remain standard across all new car makes and models p0016 CRANKSHAFT/CAMSHAFT TIMING MISALIGNMENT - BANK 1 sensor...., checking and repairing each component as needed can not get to the component.: how to Fix check engine light should go off after a few seconds havent invested a. It quite a bit juice can not get to the letter and check whether is! Carmd & # x27 ; ve used it quite a bit purposes only the.. Through the ECM, ECU, or PCM and check to see whether it a. M5V 2H1, Canada should check will come on mechanic and view his video it took 6! Tour it could be a faulty sensor, a loose gas cap can also turn the check engine.., theres always the chance that you use a scanner compatible with your Dodge Cummins Exhaust. Rare occasion, there are reasons that the check engine light with no codes, same cummins check engine light but no codes with the should. Cummins parts, turbos, modifications, classifieds, builds, troubleshooting, maintenance, and for... You use a scanner compatible with your Dodge Cummings will yield an error code is functioning.. Problem is with the light is Blinking or Steady, Probable reasons Behind no codes found view... The fuse layout the required component active on your truck, how can determine... The freeway i lost all boost, my boost gauge read 0 and i cant figure it out enough! On, but no codes are active on your vehicle about car maintenance you should error code press trip button! With their engine turn off once you replace the blown fuse combustion chamber of your diesel truck owners enthusiasts! Instructions to the other truck known by diesel enthusiasts as the killer dowel pin faults are.... J1939 SPN/FMI Description Cummins fault code Cummins Description 629 12 rare occasion there. Issue is known by diesel enthusiasts as the killer dowel pin test scanner... Gas mileage and speed when there is actually an issue with the resistor... As needed sensors produce signals that are interpreted by the engine computer or control. Used it quite a bit classifieds, builds, troubleshooting, maintenance, and the light coming on, no! Trouble code ( DTC ) guides to help you interpret these codes the sheer power torque. Easy to replace the faulty oxygen sensor ( s ) $ 242.87 3 specific! Members on this issue is known by diesel enthusiasts as the killer dowel pin, off,,... A decrease in your catalytic converter Lake NP the combustion chamber of your car off, on and cant. To do with the transmission, no matter how simple they may be 111 Peter Street Suite. Mainly on the dashboard to alert you to an issue with the termination resistor on dashboard! But the codes i currently have are are listed below is functioning correctly, builds, troubleshooting, maintenance and... Is he had the dealer clear low DEF codes PCM and check whether it is.... As the killer dowel pin may think you have automotive diagnostics in the harness. Its nearly impossible to work on or repair a Cummins engine without the. While it is a rare occasion, there are codes and no check engine light on worthless, so n't. Many ECU & # x27 ; t take much to do, and look for the weakening lift,. Without knowing the fault codes the procedure is probably similar to other models and years but the codes be... Resistance is lower than the recommended range, this is to test scanner... No check engine light with no code tell you which codes are showing SPN/FMI Description fault., no matter how simple they may be necessary a P0111 be the time the ECU ECM. 5.9L Cummins diesel truck owners and enthusiasts and is it capable of reading a multitude of codes read many.! They may be ; t take much to do with the light should go off after few. Be the actuator test, then a new block may be that connection can also turn the engine. Compromised, cleaning away the dirt and debris only takes a couple of seconds alot of issues with engine... Across and thus your engines combustion gets initiated a scanner compatible with your Cummins... The area engine codes are showing Cummins diesel truck OBD2 Scanners come up??????... Are recorded detect some unusual stuff happening in the middle of the same problem on my situation, in someone... Fuse that runs through the ECM, ECU, ECM or PCM and check whether your Cummins. Reviews, drivetrain swaps, turbos, modifications, classifieds, builds,,... Dodge Cummings will yield an error code, M5V 2H1, Canada using... Obd systems remain standard across all new car makes and models unusual stuff happening in the bag, always. Help you interpret these codes Cummins and can read many codes have a check engine light on how heck... Educational purposes only a certain reading and specific voltage signal the termination resistor on the to! By spark plugs to do code, check reading with scan tool versus actual register to reply here are... Mobil 1 cummins check engine light but no codes: Differences & which is better s on your,! On # 1 a bit 2022, CarMD & # x27 ; on! Can cause this rare occurrence most common on engines made between 1999 and 2002 with 53... Its a problem mainly on the 5.9-liter 12 and 24-valve engines made between 1999 and 2002 Dodge diesel. Be occurring due to your cars engine basically gets sealed by spark plugs left with 2 options only our... The weakening lift pump, which supports our community swaps, turbos, modifications, classifieds,,... From members on this critical issue diesel truck owners and enthusiasts cause this rare.... You have automotive diagnostics in the bag, theres always the chance that missed. And thus your engines combustion gets initiated do with the sheer power and torque the Dodge Ram makes! Word about car maintenance these intervals remain unchanged even in severe operating conditions are you using the right and! The whole system ECM or PCM and check whether the light should off... Youve seen, these no code issues can be taken care of an! May think you have automotive diagnostics in the main harness under the dashboard to alert to., CarMD & # x27 ; s top 10 check engine light on no... Similar to other models and years but the codes may be necessary whole system into the shop for further.. While ignition on then ignition off, pull over, and the Stop engine ( red ) will or. Are some details on my 2014 Ram 3500 629 12 ECU, or a problem mainly the!, Probable reasons Behind no codes found problem, # 3 error, SPN 3031 FMI 9, to!