Two versions of PCM calibrations - the regular one (21B10) and one for if you experience engine shudders with the regular one (21B10S2). Received 8 Likes on 6 Posts. It may not display this or other websites correctly. Dealer will. 21n08 - Ford F150 Forum - Community of Ford Truck Fans Ford F-150 Raptor General Discussions [GEN 2], Positive Experience: Third Party Warranty Repair, Ford Raptor Engine Discussion and Performance Mods, Hmmm? The PCM reprogramming process is often recommended as a solution to the engine shudder 21N08 issue. I hope that you find everything you need on our website and that we can help guide you through all your automotive needs. Reaction score. Fords brilliant idea was to revert the programming back to the original level. Cookie Policy - How can I verify my PCM is extended to 70k? Symptoms of a bad cam phaser include a loud engine rattle or tick when the engine is running, a check engine light, and stalling at a red light. Cam phaser rattle back and check engine light on. Did the re program- to no avail- the engine light back on. If your Ford Raptor is experiencing engine shudder, you may need to have the PCM reprogrammed. If you own a Ford vehicle, theres a good chance that it has been recalled for a PCM reprogramming. The F150 is the best-selling pickup truck in Americaand has been for 45 years. But what exactly is engine shudder? Are CSP's only performed as needed? (CSP 21N03 and 21N08) There is a new Recall specifically for this. Ford TSB 21N08: Technical Service Bulletin for the 2019 Ford F-150. 21N08 is for those with engine shudders. I imagine that you may get the cold start rattle and earlier cam phaser failure, but at least the engine wont shudder. Please register or login to enable Dark Mode. The 21N08 PCM reprogramming is due to an engine shudder that was noticed by some customers. Just extended the coverage. Had my cam phasers done back in July. and 2018-2020 Navigator Vehicles Equipped with a 3.5L GTDI Engine PCM Reprogram Due to Engine Shudder ;In a very low . Terms of Service - In December, I went in for the 21b10 - PCM Program for Cam Phaser Rattle. What is this all about? I will see what I can do to assist with this acceleration concern. Advertising - Do Not Sell or Share My Personal Information -. However, the increased oil in the cam phasers may affect engine performance, especially when cruising at a steady speed. I an having the same issues with my 2013 f150 ecoboost 116k started about 6 months ago. Generally, the timing chain, chain tensioners and water pump will be replaced at the same time, driving costs up to about $3,000. This is a free service and should only take about an hour or so to complete. Summary. JavaScript is disabled. 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 trigger on any of those trucks? The 21N08 is a pcm reprogram due to engine shudder that reverts the programming back to the original programming prior to the 21B10 reflash. These effected models include: This vehicle repair also covers the Ford Raptor and Limited F150 variants. In addition, the ECM will receive an update that will improve transmission shift quality. Program #21N08 PCM REPROGRAM DUE TO ENGINE SHUDDER; Manufacturer Customer Satisfaction Program issued. That said, Id still check. The following errors occurred with your submission, Ford F150 Forum - Community of Ford Truck Fans. What did you do to your truck today? When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Looking to buy my first F150, But the 21N08 Update Has Ford corrected the Cam Phaser rattle in Gen3? Strange first post. My goal is to empower more people to be self-sufficient. However, the engine shudder is quite noticeable. The open recalls are unrelated to the transmission. Terms of Service - The PCM controls many aspects of the vehicles engine and transmission, including ignition timing, fuel injection, and shifting. This campaign is for vehicles that had 21B10 S2 performed and had an engine shudder afterward. What is my next option? '22 camera issue made worse by dealer and others issues not resolved. In some cases, a little bit of harmless vibrations is perfectly normal and nothing to worry about. But unlike my previous trucks, this ones not going to be an overlander or rock crawler that needs to not leave me stranded in the middle of nowhere. Issues with IWE potentially caused by PCM Reprogram. Im meticulous about my oil changes, every 4000-5000 miles using Amsoil 100% synthetic. Dealer called and said bill would be $1200. (CSP 21N03 and 21N08), Aftermarket Products, Reviews & Installation, Suggestions, Comments & Questions about the Forum. and if so an updated calibration will be applied. Summary of Related Cam Phaser Rattle Recalls: How Much Does Cam Phaser Replacement Out Of Warranty Cost? 21N08B 1.2 Hours I have used premium fuel and it didnt make any difference. Im new to my 20, is this a TSB? This generally only affects a low percentage of vehicles that received the 21B10 flash. By updating the software that controls the PCM, the PCM can better control the engine and transmission. Contact Us - Contact Us - Likes: 1. I read somewhere that adding an octane booster for a couple of tanks will help. it's a software update to prevent a phaser . You are using an out of date browser. If you click them and Otherwise, further diagnostics will be required to determine cause of shudders. Hi guys, I am pretty new F150 owner (2019 new to me bought about a month ago) and noticed on my ford pass app that I have two notices in my recalls section: CSP 21N03 CAM PHASERS and 21N08 PCM REPROGRAM DUE TO ENGINE SHUDDER. I have three trucks in mind that I am looking at 2017, 2018 and a 2019. 2. The truck. 1997 F150 stalls when defrost turned on full, Do Not Sell or Share My Personal Information. Because they are such a popular model, Ford F150 owners have their own forums and subreddits devoted to their truck model.