I started Fordmasterx as an effort to combine my two passions writing and car ownership into one website. The shudder may be felt during light acceleration, at speeds between 30-40 mph, and can last for a couple of seconds. The cause of engine shudder can vary, but its often the result of an imbalance in the engine itself. Dealer called and said bill would be $1200. The 21B10 was designed to solve a cam phasers rattle by increasing oil flow to them, but a percentage of affected vehicles demonstrated the side effect of an engine shudder. The Ford/GM 10R80 is "defective"? By updating the software, the PCM can better control the engine and transmission, which can help to eliminate the engine shudder 21N08 issue. Are CSP's only performed as needed? The initial cam phasers rattle would generally first appear on a cold start due to a lack of oil. Ford 5.4 Engine Life Expectancy . If your Ford Raptor is experiencing engine shudder, you may need to have the PCM reprogrammed. @Lawnpro have you changed your spark plugs yet? You are using an out of date browser. Engine. If you own a Ford vehicle, theres a good chance that it has been recalled for a PCM reprogramming. From what the rep told me 21B10 needed to be done before 21N08 even though I have a FSA for 21N08. The 5.4L Ford engine is a V8 that was used in many different vehicles from . This removes the shudder. The PCM reprogramming process can help to prevent the engine shudder 21N08 issue from recurring in the future. Recall 21B10 is a campaign by the United States Consumer Product Safety Commission (CPSC) to recall certain models of childrens bicycles. I am actually looking to buy my first F150 3.5L EcoBoost, as a used truck, but have seen a lot of posts regarding the. I noticed mine is doing this as well. If the PCM software is incorrect or outdated, it can cause the engine to shudder or shake. Program 21N08 will be performed if your vehicle exhibits an engine shudder during light throttle operation between 1,500 and 2,500 rpm. However, the engine shudder is quite noticeable. . Field Service Action: 21N08 "PCM Reprogram Due to Engine Shudder". Recall letters were mailed to each affected vehicle owner On September 27, 2021. By addressing the engine shudder 21N08 issue, the cars performance and fuel efficiency can be improved. So far, these recalls have been effective at solving the problem and improving customer satisfaction. I hope that you find everything you need on our website and that we can help guide you through all your automotive needs. 1997 F150 stalls when defrost turned on full, Do Not Sell or Share My Personal Information. When it comes to tools, home improvement, and being a shade tree mechanic, youve come to the right spot. So you need to verify with your dealership with your VIN that the recall repairs have been done. I have an appointment to drop mine off in October. The three trucks I have looked at have had the 21N08 update, so my question is..If you were in my position, would you pull the . 14. Thank you for choosing Ford! This is the PCM update to prevent cam phaser rattle and will erase your tune. BUT.I have been reading a lot about the Cam Phasers issue and all of them getting the. I've seen some mention of a shifter cable clip that breaks or something. I was looking at another truck earlier and noticed on the Carfax it showed a "Manufacturer Customer Satisfaction Program Issued". This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. This seems like a red flag when combined with the recent "Program #21N08 PCM REPROGRAM DUE TO ENGINE SHUDDER" and "Program #21B10 POWERTRAIN CONTROL MODULE REPROGRAM FOR CAM PHASER RATTLE" repairs that show up on the carfax. Reprogram the PCM using the latest software level of the appropriate Ford . Cookie Policy - Generally, Fords are extremely reliable vehicles and are cheap to repair. 2015 - 2020 Ford F150 - Are CSP's only performed as needed? Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network. Hey all, I am looking to buy my first full size truck and very interested in a used F-150 3.5L EcoBoost, all because of being good in gas consumption and the amazing towing capability. If you are an astute shopper, you might have found these issues before buying a vehicle. The PCM controls many aspects of the vehicles engine and transmission, including ignition timing, fuel injection, and shifting. Thats why were committed to quickly addressing any issues that may arise with our vehicles. Im going to try to use it as a point of negotiation. General discussion on the 13th generation Ford F150 truck. While there may be other potential remedies for the engine shudder 21N08 issue, such as replacing transmission components or performing other repairs, the PCM reprogramming process is often the most effective and efficient solution. I'm late to the party but my 3.5L EcoBoost is doing this and it's getting worse. Check with your dealer to see if your vehicle is eligible and make an appointment for service. Your email address will not be published. Reboot. If Im not in the garage creating content, youll find me outside, running, canoeing, and traveling. My name is Zachary Drumm! There is a recall, Mine has the same issue with the shudder after that recall. I had the original work done under warranty 54k . By updating the software that controls the PCM, the PCM can better control the engine and transmission. The PCM reprogramming process is often recommended as a solution to the engine shudder 21N08 issue. All the VCT solenoid and spark plug tube seals require inspection, but not all require replacement. UPDATE: So I talked to Ford customer service today. Once 21B10 is done, it unlocks two customer satisfaction programs 21N03 and 21N08. Took it to dealer said it was cam phaser issue again. I was told by my dealer that any FSA'S that have a "B" in them is a fix they are required to do. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. I'm assuming this is like a TSB. Generally, the timing chain, chain tensioners and water pump will be replaced at the same time, driving costs up to about $3,000. This generally only affects a low percentage of vehicles that received the 21B10 flash. In some cases, the engine may enter limp mode. If your engine does stall unexpectedly, try to pull over to a safe location before attempting to restart it. While there may be other potential remedies for the engine shudder 21N08 issue, the PCM reprogramming process is often the most effective and efficient solution. One of the most common issues that you may face is to program 21n08 PCM to reprogram due to engine shudder. Proper maintenance is essential to keep a cars engine and transmission running smoothly. Privacy Statement - Yep I have been told it just means that Ford is extending the warranty in regards to cam phasers to 75k I believe. They will uninstall and re-install the program using specialized equipment and software. In addition, the ECM will receive an update that will improve transmission shift quality. The good news is that replacing the cam phasers will fix the cold start rattle. These effected models include: This vehicle repair also covers the Ford Raptor and Limited F150 variants. This site allows me to test new tools, piddle around in the garage, and share the insights I get from flipping cars and houses. Ford TSB 21N08 Make: Ford Number: 21N08 Date: 10/29/2021 Title: PCM Reprogram Due to Engine Shudder Summary: In a very low percentage of the affected vehicles, an engine shudder may develop after receiving the PCM update provided in program 21B10. Just noticed a shudder after the truck was serviced last weekend. First off, be aware that CarFax may show these recalls whether or not they have been done. If you click them and make a purchase, we may earn a small commission. Now they say it needs another round of cam phasers. The affected bikes were sold at Walmart stores nationwide from February 2018 through July 2018. Oh ok perhaps a good point. Any shop with an IDS scan tool will be able to check your car for transmission codes. The Ford/GM 10R80 is "defective"? Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network. Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. 21N08 update, So I do not know if should pull the trigger or not. Later that day, it stalled again when I was at a red light. Aftermarket Products, Reviews & Installation, Suggestions, Comments & Questions about the Forum, https://www.f150forum.com/f118/field6275/index148/. If your Ford car or truck is experiencing engine shudder, it could be the result of a variety of different issues. It is important to address the engine shudder 21N08 issue to maintain the performance and safety of the vehicle. The PCM (Powertrain Control Module) is a computer located in a cars engine that controls the cars engine and transmission. By logging into your account, you agree to our, yes they are only done if the concern is present. The shudder may be felt during light acceleration, at speeds between 30-40 mph, and can last for a couple of seconds. 21n08 - PCM reprogram due to engine shudder. Im meticulous about my oil changes, every 4000-5000 miles using Amsoil 100% synthetic. When there are problems with the transmission, it can cause the engine to shudder. I had the first PCM recall done too, but have an engine shudder issue. Diagram. It was program #21N08 PCM Reprogram due to engine shudder. If your car is experiencing engine shudder, it may be time for a PCM reprogram. But, this process cant be run in an unauthorized way. Less rattle on startup, and no adverse effects so far. This issue is often caused by a software glitch or by using incompatible software for the specific make and model of the car. Reboot. I now have 85k miles. Sorry my Ford pass just updated and now I have the 21N08 and 21N03. Everything seems relatively fine since, no check engine lights. Program 21N08 Pcm Reprogram Due to Engine Shudder. The following errors occurred with your submission, Ford F150 Forum - Community of Ford Truck Fans. (2). The Program 21N08 PCM Reprogram is designed to address an engine shudder condition on certain vehicles. Cam phaser rattle back and check engine light on. Unfortunately, many users reported a return of the symptoms after the 21B10 reflash. I'm a long-time Ford and automotive enthusiast, and I've been writing about cars for over 10 years. Program #21N08 PCM REPROGRAM DUE TO ENGINE SHUDDER; . document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. The truck seems to be driving fine, although I did have some cam/crank codes last month and went to dealer where they performed TSB 21-2357 and SSM 48423. You must log in or register to reply here. If youre experiencing engine shudder in your Ford vehicle, please bring it to your nearest dealership or service center so we can take a look and get it fixed up for you as soon as possible. 10,492. The vehicle is a CPO but I feel like the selling dealership didn't do a great job looking it over, so I took to a local dealer in AZ (I purchased it in UT). The below is copied and pasted from this thread: 21N08 PCM REPROGRAM DUE TO ENGINE SHUDDER update. This can help to eliminate the engine proceed shudder. Common transmission issues that may contribute to the engine shudder 21N08 issue include low transmission fluid levels, worn transmission components, or a damaged transmission control module. 1997 F150 stalls when defrost turned on full, Do Not Sell or Share My Personal Information. Dealer will. For a better experience, please enable JavaScript in your browser before proceeding. LOL, Ford Raptor Exterior Modifications Forum [GEN 1]. Mine does this while at low rpms. Within a day or less, the cam phaser was rattling again and my engine was shuddering. Likes: 1. I got it too. There are several reasons why the PCM may need to be reprogrammed. Otherwise, further diagnostics will be required to determine cause of shudders.
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