ford program 21n08 pcm reprogram due to engine shudder

and if so an updated calibration will be applied. Contact Us - Customer Satisfaction Program 21B10 was an extended warranty coverage on engine cam phasers on vehicles that had received a PCM reflash prior to December 31, 2021. What did you do to your truck today? (2). I now have 85k miles. The transmission is responsible for transmitting power from the engine to the wheels. Only detectable at a crawl speed. 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. Recall letters were mailed to each affected vehicle owner On September 27, 2021. I had the original work done under warranty 54k miles. This can help to eliminate the engine proceed shudder. I got it too. By updating the software, the PCM can better control the engine and transmission, which can help to eliminate the engine shudder 21N08 issue. However, the increased oil in the cam phasers may affect engine performance, especially when cruising at a steady speed. Only 21B10 has to be completed, 21N08 is extended coverage. 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). Your email address will not be published. Ford F150 Forum - Community of Ford Truck Fans . One potential cause of engine shudder is an issue with the PCM, or powertrain control module. The dealer will reflash the powertrain control module (PCM) with new software to fix the problem. The recall is for bikes with front wheels that can detach unexpectedly, posing a fall hazard to riders. Originally, I understood the engine shudder to be a miscommunication between the camshaft position sensor and the PCM. That population essentially consists of vehicles that were poorly maintained or ran low on oil. This can be done by a Ford dealership or an authorized service center. If it becomes corrupted or damaged, it can cause all sorts of problems including engine shudder. If you click them and make a purchase, we may earn a small commission. You are using an out of date browser. Program 21N08 Pcm Reprogram Due to Engine Shudder. Disclaimer: Links on this page pointing It may not display this or other websites correctly. I have three trucks in mind that I am looking at 2017, 2018 and a 2019. t seems like every other Raptor and Ford 10R80 has these issues. While engine shudder can be alarming, its important to keep in mind that not all instances are created equal. Less rattle on startup, and no adverse effects so far. If your Ford vehicle is experiencing an engine shudder, its important to get it checked out by a professional as soon as possible. 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. Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. Just noticed a shudder after the truck was serviced last weekend. develop an undesirable noise. 21N08 update, So I do not know if should pull the trigger or not. PDF TECHNICAL SERVICE BULLETIN 20- 3.5L EcoBoost - Cold Start Ticking In some cases, the PCM may need to be reprogrammed in order to fix the problem. Posts: 20. So far, the results are positive. From what I have gathered my dealership performed 21B10 on October 1st (NOT 21N08 which is supposed to be a factory roll back). This campaign is for vehicles that had 21B10 S2 performed and had an engine shudder afterward. Reaction score. Privacy Statement - Cam phaser rattle back and check engine light on. If not, you will want to get the latest computer updates before the warranty expires on it. I brought my 2019 F-150 3.5 EB in for the recall. Please register or login to enable Dark Mode. Once 21B10 is done, it unlocks two customer satisfaction programs 21N03 and 21N08. 21n08 - Ford F150 Forum - Community of Ford Truck Fans Question about cam phasers and pcm reprogram due to engine - Reddit My goal is to empower more people to be self-sufficient. It is important to address the engine shudder 21N08 issue to maintain the performance and safety of the vehicle. The shudder may be felt during light acceleration, at speeds between 30-40 mph, and can last for a couple of seconds. If your cam phasers are not noisy, don't fix stuff that isn't broken, obviously the earlier PCM upgrade was done that extends your warranty to 70000 miles and prorates beyond that, you don't have the shudder so not needed the 108 flash. I have an appointment to drop mine off in October. This campaign is for vehicles that had 21B10 S2 performed and had an engine shudder afterward. It may not display this or other websites correctly. The Program 21N08 PCM Reprogram is designed to address an engine shudder condition on certain vehicles. Thats why were committed to quickly addressing any issues that may arise with our vehicles. 21N08 is for those with engine shudders. Even with these known issues, the Ford F150 has an annual maintenance cost estimate of about $858 per year. I was looking at another truck earlier and noticed on the Carfax it showed a "Manufacturer Customer Satisfaction Program Issued". Gotcha. For a better experience, please enable JavaScript in your browser before proceeding. The 21N08 update is pretty new like just a couple of weeks old, so I do not know if that will fix the engine shudder or the cold start rattle.

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