There are several F150s, Expeditions, and Navigators that needed a PCM reprogram due to an Engine shudder. This program covers certain repairs that may be needed as a result of a software issue. If you click them and make a purchase, we may earn a small commission. Over the weekend I pulled over to the side of the road to get something out of the glove box and the truck stalled while I was idling in park. Program #21N08 PCM REPROGRAM DUE TO ENGINE SHUDDER; Manufacturer Customer Satisfaction Program issued. If you previously received the 21B10 PCM update at a Ford dealer and are now experiencing the engine shudder, you should take advantage of the PCM reprogram. You are using an out of date browser. 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. If the Carfax shows that the vehicle that you are looking at buying has already received the 21B10, then you may need to take it in for the 21NO8 reflash to revert those settings. How will this extend your powertrain warranty 2 years? The F150 is the best-selling pickup truck in Americaand has been for 45 years. They will uninstall and re-install the program using specialized equipment and software. I would like to hear from some of the owners which have had the 21N08 update done and see if their issues have gone away. And if you do need to restart it, make sure youre in neutral or park before doing so. Manage Preferences - When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Field Service Action: 21N08 "PCM Reprogram Due to Engine Shudder", Yep -- what ASV said. If Ford was serious about this they would offer customers compensation as Volkswagen did. However, if the vibrations are severe enough to cause your car to shake or rattle, then its definitely time to take it to a mechanic for further diagnosis. Y'all better read that letter again. It was also discussed that the reprogramming could result in a shudder in the drive train which would require further work. The PCM (Powertrain Control Module) is a computer located in a cars engine that controls the cars engine and transmission. These guys are simply trying to Band-Aid a crap design. The Ford/GM 10R80 is "defective"? I was told by my dealer that any FSA'S that have a "B" in them is a fix they are required to do. Is this related to the cam phaser reflash FSA? The 21N08 is a pcm reprogram due to engine shudder that reverts the programming back to the original programming prior to the 21B10 reflash. Check Gauges Light Comes On, And Car Shuts Off, Roach Getting Into Car Meme Explained: Get On This Trend. If your check engine light is on and youre experiencing engine shudder, your car may need a pcm reprogram. GEN 2 (2017-2020) Ford F-150 Raptor Forums, Ford F-150 Raptor General Discussions [GEN 2], Need some help ASAP Code P06B6/ Faulty PCM, Ford SVT Raptor General Discussions [GEN 1], Ford Raptor Engine Discussion and Performance Mods, Hmmm? Please register or login to enable Dark Mode. The Ford F150 sold 663,508 trucks in 2021, beating out Ram and GM. When there are problems with the transmission, it can cause the engine to shudder. Did the re program- to no avail- the engine light back on. JavaScript is disabled. Took it to dealer said it was cam phaser issue again. If youre a Ford owner, you may be eligible for the Customer Satisfaction Program 21B10. make a purchase, we may earn a small commission. When the computer is programmed, it will erase this programming andthe vehicle will have to relearn your driving habits. For a better experience, please enable JavaScript in your browser before proceeding. Its usually most noticeable at idle, but can also be felt when accelerating. Hey! Cam phaser rattle back and check engine light on. Even with these known issues, the Ford F150 has an annual maintenance cost estimate of about $858 per year. The initial cam phasers rattle would generally first appear on a cold start due to a lack of oil. PDF TO - National Highway Traffic Safety Administration Manufacturer Customer Satisfaction Program Issued - Ford Expedition Forum The truck. Oftentimes, this engine shudder may be mistaken for a transmission shudder. That population essentially consists of vehicles that were poorly maintained or ran low on oil. develop an undesirable noise. Mine doesn't die like yours, but definitely a problem there. Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. 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. Manage Preferences - Reliability is important to me. PCM Reprogram Due To Engine Shudder 21N08 - Tool Tally Only detectable at a crawl speed. This is the PCM update to prevent cam phaser rattle and will erase your tune. The good news is that replacing the cam phasers will fix the cold start rattle. It may not display this or other websites correctly. Ford is offering a no-cost repair to reprogram the PCM on these vehicles suffering from engine shudder following the previous 21B10 update. What is this all about? Cam Phaser replacements costs at least $1200, depending on the shop. Ford F-150 Raptor General Discussions [GEN 3], Ford Raptor Engine Discussion and Performance Mods, Ford F-150 Raptor General Discussions [GEN 2], Hmmm? This site allows me to test new tools, piddle around in the garage, and share the insights I get from flipping cars and houses. Theyll be able to determine if the problem is due to a faulty PCM and can reprogram it accordingly. . If you know how to fix it cheaply, then you might be able to get yourself a deal. The engine shudders 21N08 issue is a problem that causes the engine to shake or shudder. The goal of a manufacturer customer satisfaction program is to increase customer loyalty and repeat business. The PCM reprogramming process involves updating the software that controls the PCM. Reboot. 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. Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. #5. If Im not in the garage creating content, youll find me outside, running, canoeing, and traveling. General discussion on the 13th generation Ford F150 truck. I have three trucks in mind that I am looking at 2017, 2018 and a 2019. Dealer called and said bill would be $1200. 1997 F150 stalls when defrost turned on full, Do Not Sell or Share My Personal Information. I hope that you find everything you need on our website and that we can help guide you through all your automotive needs. 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. Field Service Action: 21N08 "PCM Reprogram Due to Engine Shudder".