Gear ratio monitoring bmw. Most likely the mecha is worn is one of three spots: 1.
Gear ratio monitoring bmw Warning long read ahead most likely. Last occurred at 95,347 miles; 4203F1: Translation monitoring: symptom monitoring circuit implausible. The EGS software requires correction, reprogramming using ISTA/P 2. The 4F95 and 4F85 EGS fault codes indicate clutch B and E ratio monitoring errors, causing shifting delays between gears 3 and 4. Ratio monitoring indicates a discrepancy between the expected output speed and measured speed. These are the actual codes displayed. Addressing it promptly is crucial to prevent further damage and The EGS gear monitoring fault 420321 94E9B) “2nd gear to gear X” is stored in the Mechatronic control module. January 2022 Mileage: 39 000 km Faults: (Note: faults were not cleared on previous visit) 21A505 EGS: electric emergency Jun 16, 2023 · 4203B1 - Gear Ratio Monitoring Gear 3: Clutch C1 or C3 Open Incorrectly 4204F1 - Gear Ratio Monitoring Gear 7: Clutch C2 or C3 Open Incorrectly The garage said that is something they wouldn't deal with and they think it is a major issue with the automatic gearbox. The monitoring disruption seemed more like a sensor disconnection rather than an actual transmission failure, so I'm hoping it's just a seal issue. Apr 14, 2025 · The BMW code 4F89, “Gear ratio monitoring 3-4 gear,” indicates that your car’s transmission control module has detected an incorrect gear ratio when shifting from 3rd to 4th gear. May 13, 2024 · BMW X5 and X6 Forum (F15/F16) > BMW X5 (F15) and BMW X6 (F16) Forum > BMW X5 and X6 (F15/F16) Forum Clutches C and D not plausible Jan 30, 2020 · Codes that came back were, 420321 - Gear-ratio monitoring: Gearshift 2 to x not plausible 421342 - Position specification: undesired power transmission in neutral detected I've found other website that claim to do a transmission reset or software update, but I don't see how that could fix the problem? Once i reset adaptations the car started to jerk way worse than before and it ended up giving me a drive train malfunction and won’t shift out of 1st gear but after turning it off and back on it starts driving but again very jerky. The last transmission damaged a gear, causing the valve body to be filled with metal debris, along with the pan. The time now is 12:20 AM. Jan 15, 2023 · The car seemed to drive alittle better that could be me only one fault pop up on the drive home it was ratio monitoring clutch A again. Clean the mechatronics sensors, replace the solenoids, and maybe a zip kit, separator plate, bridge seal, and sealing sleeves while you're in there Customer 4204a1 - Gear ratio monitoring in fixed gears clutch B and E, disrupted. The P17ED BMW diagnostic trouble code (DTC) specifically relates to Ratio Monitoring Shift 4-3. 0D 2005 Gear Ratio Monitoring Clutch Issues X5 often faces delayed gear shifts and clutch slippage related to ratio monitoring errors. The rest are listed below. Dec 2, 2020 · 4F89 - ratio monitoring gear shift 3-4 Jump to Latest 29K views 4 replies 5 participants last post by Blau&Weiß Mar 29, 2025 J 2010 - 2024 BMW F & G Series 420431 4202F1 420331 Gear Ratio Monitoring Clutch FIXED. Can I still drive my BMW with the 4F89 code active? May 21, 2025 · Got in touch in BMW car was on a recall for EGR . The ratio monitoring clutch is responsible for controlling the transmission’s gear ratio, which is essential for the proper functioning of the vehicle. 2014 435i 61,969 miles The one permanent code I got was 420361 gear ratio monitoring gearshift 6 to x. 2016 (F16) I have problem with my bmw transmission - codes 4F8D EGS: Ratio monitoring, gearshift 5-4 History 4F92 EGS: Ratio 90,000 miles and the code description is ratio monitoring for fourth and fifth gear. I got a list of codes and I frankly don’t know where to start. icio. Remarks: Faults not deleted. I just wanted to share my experience and I hope this helps if you have failsafe issues related to gear ratio monitoring. GEAR SHIFT 4-5 GEAR). battery for drive train fault (ages aux battery). BMW 3 Series E46 Buyers guide +reliability (1998-2006) Avoid buying a broken used BMW E46 Ring and Pinion Gear Ratios Explained: How to Choose the Right Gear Ratio Jan 26, 2023 · 420321- gear ratio monitoring: gearshift 2 to x not plausible So in other words, the gearbox needs replacing. One or more solenoids (see attached) $200 parts 3. com provides expert remote support to diagnose and resolve this Sep 1, 2014 · Help friend HI I HAVE EXACTLY THE SAME PROBLEM WITH MY BMW X5 E 70 GAS. UPDATE: zf transmission failure codesAll times are GMT -5. I am very happy with the results. Aug 7, 2017 · 335i 08 Auto Transmission Limp Mode / Ratio Monitoring Clutch FaultsReverse is pretty well non existent The problem occurred after reversing up a steep hill a bit aggressively Took it to my local Indy locked in 4th gear, He checked fluid level and confirmed it wasn't burnt He pulled the following codes 4F81 ratio monitoring, clutch a 4F97 ratio monitoring, clutch B-D 4F82 ratio monitoring 3-4 Gear ratio code, what's the cause of this? Car jurks and will not into 3rd gear. BMW X5 3. That code is 4F8A (RATIO MONITORING. us My Yahoo! Apr 1, 2024 · BMW X5 and X6 Forum (F15/F16) > BMW X5 (F15) and BMW X6 (F16) Forum > BMW X5 and X6 (F15/F16) Forum Transmission malfuntion BMW X6. 2. Apr 14, 2025 · BMW code 4F85 indicates a problem with the transmission's gear ratio monitoring. This can point to issues like a worn E clutch, low transmission fluid, or valve body problems. These transmission control modules are highly advanced, and it is likely that the transmission will fail soon. What are the symptoms of a BMW P17E5 code? Apr 14, 2025 · BMW code 4F81 indicates an issue with the transmission ratio monitoring, specifically with the clutch A engagement. One of the most common issues that BMW drivers face is the P17E4 code. Jun 16, 2016 · If you can get a transmission that cheap it might be worth it to swap it out. I have the same transmission problems on my 2007 BMW 525i e60 auto sedan. There's a diy mechatronics pdf floating around somewhere. Here are the values now and thank you for all the help so far. Replaced aux. gear-ratio monitoring gearshift 5 to x , 6 to x,8 to x not plausible Feb 12, 2025 · Joshua, The DTC 400331 you're seeing is related to the ratio monitoring for the 3-4 gear shift, indicating that the transmission control module (TCM) is detecting an implausible ratio during this shift. Most likely the mecha is worn is one of three spots: 1. 6K subscribers Subscribe Jul 20, 2023 · 930BB9 - ? *Transmission Control 4202F1 - Gear-ratio monitoring in fixed gear, clutches A, B and D, disrupted 420641 - Parking lock defectively engaged: plausibility, driver's demand/sensor feedback CF2F82 - Signal (terminal status / terminal status of diverse, 0x12F) invalid, transmitter CAS/FEM *Body Domain Controller Codes 9307C2 - ? « Previous Thread Next Thread » Zf 6hp19 error 004f84 Nov 3, 2024 · 44D0E1 Gear-ratio monitoring: clutch B not plausible Work carried out: ABL for gear-ratio monitoring; "no fault found". If left unaddressed, the BMW P17F4 code can lead to a variety of problems, including reduced fuel efficiency, poor performance, and even transmission failure. Hesitation, short transmision slip, stuck in first gear and limp 3-4 Gear ratio code, what's the cause of this? Car jurks and will not into 3rd gear. BMW 3 SERIES FAULT CODE 9F89-RATIO MONITORING GEARSHIFT 3-4. 2008 550 e60. « Previous Thread Next Thread » 2011 BMW 535XI Transmission codes Mar 1, 2023 · The fault code is 420321 and it came up gear shift ration monitoring gearshift 2 not plausible - Test Plan states to replace transmission (this is what the advisor emailed me). If you’re experiencing this issue, it’s important to understand the meaning, causes Mar 23, 2021 · Transmission Code !!! All times are GMT -5. 4F89 Ratio Monitoring Gearshift. 4F89 Ratio Monitoring Gearshift May 2, 2018 · bmw f20 8HP gear problems 4200A3 Solenoid valve HIS : open circuit /// where is that one and what it controls? 420341 gear ratio monitoring : gearshift 4 to x not plausible Aug 4, 2011 · I took my car to the bmw dealership and got a reading. The transmission feels a lot stronger than before. The time now is 08:58 PM. Apr 26, 2020 · Okay all, just putting this here to help those who may have this fault in the future. I purchased a used one that had 33,000 miles on it and installed the computer in it. 41. This code typically means that there is a discrepancy between the expected and actual gear ratio in the clutch 'D'. Wife's 2010 x35d has been Sep 30, 2024 · 8hp70 Transmission issue before and after servicingAll times are GMT -5. These codes indicate issues with gear ratio monitoring, suggesting that the transmission is slipping internally and may be faulty. This can lead to poor performance, shifting issues, and potentially damage to other components of the transmission « Previous Thread Next Thread » Transmission 4f8d internal failure - options? Tags 4-5 ratio monitoring, 4f8a, transmission issue « Previous Thread | Next Thread » Troubleshooting BMW Auto TransmissionAll times are GMT -5. Could that indicate a cooling issue? Jul 24, 2023 · Those codes tend be the below or similar: 4204F1 - Gear Ratio monitoring gear 7: Clutch C2 or C3 incorrectly open 421841 - Electric pressure control valve C4: maximum pressure BMW said the transmission cant take the pressure coming from the engine so puts it into Limp mode. It indicates that there is a problem with the shifting process between gears 4 and 3, impacting the transmission's ability to maintain the correct gear ratio. This was the code I got from ISTA 420321 - Gear-ratio monitoring: Gearshift 2 to x not plausible Car is a 2013 420341 - Gear ratio monitoring: Gearshift 4 to x not plausible 4203F1 - Translation monitoring: Symptom monitoring circuit implausible This one was set about 6,000 miles ago, never made itself known through a warning message and seem unrelated, but just in case: 420801 - E circuit: Info counter for automatic insertion of p when the vehicle is Transmission Malfunction - Locked Out - 15K BMW Quote!All times are GMT -5. Is that correct? Auto gear change issue 4th to 5thAll times are GMT -5. Nov 4, 2017 · These gear ratio monitoring problems come in different forms whether the gear slips between gears 1-2, 2-3, 3-4,etc and they are very hard for auto-shops to diagnose because they don't have the tools to dyno test the transmission. 1 or later. This diagnostic trouble code (DTC) relates to the Ratio Monitoring Clutch ‘D’ in BMW vehicles. If my response has addressed your question Jun 24, 2015 · Reverse kicks into gear quickly without any lag. BMW 520d (420351) gear ratio monitoring gear shift 5 to X not plausible Mechanic Matt 11. It does not drop out of reverse gear anymore. This article will help you diagnose and Oct 26, 2023 · Technical Forums N55 Turbo Engine / Drivetrain / Exhaust Modifications > Bmw 335i F30 Drivetrain issue , 4F8A Thread Tools Bookmarks twitter Facebook Digg Google StumbleUpon del. BMW "lifetime" is wrong. The time now is 09:46 PM. The 4 tube and 1 square seals between the mecha and the turbine section need replacement (cheap); 2. They mentioned that the E clutch or torque converter might have some issues. Discover more answers Gear ratio monitoring codes BMW. Gear ratio monitoring codes BMW. Apr 14, 2025 · The 4F95 BMW code typically indicates an issue with the transmission's gear ratio monitoring. These issues often stem from worn clutch packs or faulty transmission BMW P17E4 Code:Ratio Monitoring Clutch ‘D’ As a car owner, it can be frustrating to see a warning light pop up on your dashboard. « Previous Thread Next Thread » ZF 8HP transmission problems May 3, 2008 · So i got BMW 520D (F10) 2014 and few weeks ago my transmission started to acting out and wouldn’t change gears, I pulled over, turned the car off and on, and it worked normally again, after few days the car did same thing and i took it to the mechanic and he said mechatronic is the problem, the fault codes are - 420401 Gear-ratio monitoring Sep 9, 2015 · 4202F1 -- Gear-ratio monitoring in fixed gear, clutches A,B,D disrupted 420431 -- Gear-ratio monitoring in fixed gear, clutch D, disrupted They also checked the oil and said it had "large chunks of metal in it"!!! The dealer contacted BMW NA for assistance and their response was the "metal in the OIL is normal". The time now is 09:35 AM. is this all correlated to one major issue? 190F08 4203E1 421012 D3557A D35577 E114BE 804398 804399 D019AB D0157A 802680 B7F813 E1CC03 E71448 I used an app to read the following drivetrain codes: 420341: Gear ratio monitoring: Gearshift 4 to x not plausible. IS THIS FIXABLE OR DOES THE TRANSMISSION NEED TO BE Mechanic's Assistant chat Customer: Is the fault code 9F89 related to ratio monitoring during gearshift 3-4 fixable, or does the transmission need to be replaced as I've been advised? The car still drives normally. The time now is 10:33 AM. 97 C. Anyone know if that's true? I noticed that the trans temps listed for the errors were pretty high; e. g. I'm assuming the wheel speed is not used to calculate the gear ratios and there for did not cause the gear monitoring/ratio errors. This slippage happened after I did a trans fluid change. 03. Can I ask you how did you go about fixing your Feb 7, 2016 · It seems that the gear monitoring/ratio problems are for 4th gear. The BMW P17E5 code refers to Ratio Monitoring Clutch ‘E’, which indicates a problem with the clutch system in the transmission. The output speed sensor readings do not align with the expected values based on the gear and input speed. Filling pressure clutch A: 0mbar Filling pressure clutch B: -144mbar Filling pressure clutch C: -6mbar Filling pressure clutch D: 0mbar Drivetrain malfunctionAll times are GMT -5. WHEN I DRIVE HARD ON 5 SPEED MY CAR SAY FAULT TRASMISSION AND WHEN YOU FIND THE CODE SAY (4F8A RATIO MONITORING GEARSHIFT 4-5) PLEASE ANYBODY HELP ME HOW YOU FIX THIS CODE FAULT Jan 31, 2018 · ZF suggests between 50-70Kmi. AutoExplain. The time now is 03:11 PM. The time now is 02:50 PM. Hesitation, short transmision slip, stuck in first gear and limp May 23, 2022 · No reverse gearAll times are GMT -5. 4F87. You can diy this. Sent it in EGR got change and Fault code came up : Transmisson Faults. The time now is 09:21 PM. This code is typically found in vehicles equipped with automatic transmissions. My transmission is slipping badly and needed to know what is wrong. Dec 16, 2015 · What would fix 2009 BMW 550i Transmission Code: 004F85; Ratio monitoring, clutch E Jump to Latest 75K views 29 replies 20 participants last post by Kane0324 Dec 12, 2023 G Nov 26, 2024 · 4204C1 Gear-Ratio Monitoring in Fixed Gear, Clutches C and D Disrupted 420351 Gear-Ratio Monitoring: Gearshift 5 to X Not Plausible 420371 Gear-Ratio Monitoring: Gearshift 7 to X Not Plausible 420381 Gear-Ratio Monitoring: Gearshift 8 to X Not Plausible 421362 Gear-Ratio Monitoring: All Clutches Implausible 440102 Transfer Box (VTG) Oil Wear Mar 2, 2021 · Explore discussions and insights about BMW F30 transmission on BIMMERPOST forums. . My EGS codes: EGS 34: gear monitoring 2 (P0732) EGS 3B: Stall speed (p0720 EGS 31: Symptom, gear monitoring EGS 30 Aug 19, 2024 · The P17E4 BMW code indicates an issue with the Ratio Monitoring Clutch 'D' in the vehicle's transmission system. Has anyone else experienced this and if so, can you recommend a suitable place to source a 2nd hand gearbox or reconditioned one? One more question: had the gearbox oil been serviced by the previous owner, could this have prevented this? Jan 4, 2017 · The code in question is 4F85 ratio monitoring clutch e and code 4F8D ratio monitoring gearsfif Hi there, I read your post and I relate to your problem 100% and I was hoping you could help me. 420311 - Gear ratio monitoring gear shift 1-x. I want to fix the problem. xjntsxajhneencfdtanlxmrieccktuugmqipcbratwawmllwygrxxlfwsnzcvbldmqwxtrayb