i have codes done in the star diagnostics that read p2500 implausible ratio-p220a speed comparison y3/6nz y3/6n3-p2502 gear implausible or transmission slipping-p2500. Try to find an mb carsoft 7.4 multiplexer. Im a little hesitant. Thanks for your great job on this website bye this should be the speed sensor plate gone down, not too expensive to fix, the part cost 135 and with an indie the whole job around 250 Cole@MBS Forum Supporter Authorised Forum Supporter Joined the car has problems changing from gear 3 to 4 and 4 to 5,it clunks a lot making it very uncomfortable, and when by chance it reaches 60Km/hr, it stabilizes, but can only go up to 140Km/hr and gets stuck at this speed. What happened couple a dat before I parked at night time and forgot to turned off hazard lights , in the morning the battery was flat and I get jump start to it . Transmission stuck in 4th gear. On that model year even removing the cluster shouldnt send the transmission in limp mode. What could the problem(s) be? Ask me how I know . Dont panic! Please Help. Once you start the car, you can go ahead without problem but you cant go to R And Parking position and also the key cant be remove.so, the car is parked. Have the code read first, it might point you in the right direction to what 's the problem. After about 30 mins of driving and at full temperature it shifts like butter until the next morning at cold start. Thanks for this great article. Now its in limp mode only. We would be guessing in this case if we told you to change this and that. Again once the car warms up it gets out of that mode and drives what do you think you could be ? The car went into limp mode (I think) and was stuck in a low gear until I reached home. The Products we make: Jaguar E Type 3.8, 4.2, V12 & 2 + 2 gearbox, speedo drive fitted and 0.63 5th gear - Jaguar XK120/140/150 gearbox, speedo drive fitted and 0.63 5th gear - Jaguar MK2 gearbox, speedo drive fitted and 0.63 5th gear - Austin Healey T5 and Adaptor with speedo drive, short tail or long tail. Make sure that is dry. The next day it will do the same thing. It happens occasionally, not all the time. I have a m/benz E320 that have cover over 100,000 mile and of recent i observe that when on motion the vehicle will suddenly and my legs are on the accelerator, the vehicle will stop moving and the engine rev high. Remove the shift knob by turning the chrome lock 1/4 turn and pull straight off. Look for a stamp towards the bottom. Hi, Transmission control module needs to be virgin and then be married to a working car. It refers directly to the Instrument Cluster. And would it be a bad idea to replace the current one with a used one? Which I agreed that he change. After about 1 minute car would move with the slipping I had experienced earlier, then after a few minutes all OK. Start by checking the fluid level and the 13 pin connector. But you cant just swap units from a used car. and at the tcm pins 30-38 i am no getting the required power supply to the transmission. The mechanic is of the opinion that we need to change the BAS module. Very helpful information. I repeat: NO PROGRAMMING. The most common cause of a stuck solenoid is the failure to replace your transmission fluid when you should. Anton. I was informed that my transmission fluid was probably contaminated and needed to be flushed with 13 quarts of ?, and then refilled with new oil. Get the fault codes from the transmission control unit. I changed the fluid, filter, 13 pin connector and checked the fluid level according to the instructions on this and other MB sites. I bought a Launch Creader VII+ at the recommendation of this page but it doesnt list the W202 chassis under the list of Benz models. I have changed the following: 13 Pin Plug on Transmission Base After overhauling my 722.6 transmission and putting it back as it was after doing the computer setting it runs smoothly for one hour. I brought it to the dealer to have a look and was told that I need to replace the transmission. You need to find and repair the problem that caused the car to go into limp mode first. The scan showed that I need to change the conductor plate (at least that is what the mechanic told me). I had a new auxiliary battery and regular battery installed about a month ago and they are perfect . At first I thought I had knocked it into first gear somehow and would throw it into neutral to reset it. Marty Ask Your Own Mercedes Question Sounds like a valve body. Mark helpful 100 Emehonesty answered 10 years ago Once I turn off and on the car or shift to N position and back to D the massage disappears and the car start to behave normally, also sometimes I feel the car shaking slightly when moving from one speed to another not always happening, one mechanic told me that I should change the transmission, but im not sure if that is the case. Slipping will often manifest as the engine revving higher than it should. Problem Description. Okay if so would you think its because of the new battery? Ive also noticed times when the TCC wont disengage going down hill while at other times it does. I hope this info helps other W203 owners out there! Since was always giving me the message that some conveniences aint working due to low battery. Then started and run normally for a short trip. Replacing the valve body can per perform with the transmission in place. with Mercedes dealership back in Ottawa and it is quite a distance (5 hrs.) Do not press the gas pedal or any other buttons on the car. Write that code down, then go to ourMercedes-Benz customsearch to search all the Mercedes Benz related pages, forums and website in one place. Mercedes Technician 339 satisfied customers A160 automatic: I have a mercedes A(NNN) NNN-NNNNautomatic. It can many things. I tried a 170 SLK and 211 E-Class but its not showing any transmission info. Let me know if you have any questions. It smoothly glides between the first and second and vice versa, but it just stays . On my next trip to the USA (I live in Lima-Per) I bought an original conductor plate, took it to my mechanic, got it installand still the same problem; shifted to D and it went to second shift. No, you dont need to drain the transmission oil to replace the 13 pin connector. You are lucky! Please let us know if you have sorted this out already. Clicking this will make more experts see the question and we will remind you when it gets answered. Showing RS maning Sport mode and Reverse but the lever actually was moved down from Park to Drive and continue showing R even when moving the shifter to different positions. I have the same exact model and its doing the same thing. He worked on the valves, dried the area and got his scanner for the codes. Posted by bmp51 on Feb 16, 2013. 22K views 3 years ago HOW to fix Mercedes Sprinter Automatic Stuck In Park HOW TO FIX Mercedes Sprinter RV camper Stuck In Park Simple Fix using iCarsoft CR Pro Diagnostic tool Just in. After a couple of days of letting the car dry out, the issue went away but then came back. Do you think it could be the TCC or what would you recommend I check? In that case,you may have serious transmission problems. referencing pin 30 to 38. and im stuck there, what can it be. I didnt do that. You will absolute want to avoid 15-18th September +1 on either side. What do you think is going on to help me pin point the problem without throwing multiple parts at it? Over time, small bits of metal and other debris will get into the fluid (if you've ever seen black transmission fluid, this is what causes it). i get my car w203 ,year 2001 stuck in limp mode , if i perform a gearbox factory reset it stucks once per month if not it stuck in limp every day. Check out our article onTop 10 Best Diagnostic Scanners for Mercedes-Benz troubleshooting. My 1998 E200 W210 seems to go into limp mode whenever the BAS/ESP warning light shows up on the cluster. If your transmission is stuck in limp mode,DONT PANIC. -its been happening for several months, in both cold and hot weather I tried to look up the inside codes but having no luck. -First, determine if the car is in limp mode or if it is not moving at all. hi guys Oh, and car did not go into limp mode fortunately.. Shifter stuck in P. It may also be the shifter module itself. So I suppose this means transmission is going in limb mode. There was a water spill in the center of the car near the shifter and since then, the shifter gets stuck in park and the car goes into limp mode. If your Mercedes is in limp mode, dont panic. We only use higher rated than standard OEM components. These scanners will cost you about the same as a diagnostic at a repair shop would, except you get to use it over and over again. Thats great! Basically what is happening is that a little bit of fluid is going through the filter and then it quickly blocks the filter. This could be due to several issues such bad a torque converter, bad transmission oil pump, water contamination in the transmission. I have fixed the limp home mode issue with my 2003 W203 C240 4matic wagon. My MBA auto 1999 e240 is stuck in one gear. It seems your Mercedes is in limp home mode. Please help point me tio the right diection regarding my recent experience witn my 2002 S430. I have an 06 C280 4Matic. Inspect the transmission filter carefully. Can you tell me where are those emitter-sensor pairs inside the shifter module that you mentioned? Vehicles equipped with a 7-speed automatic transmission may develop a rough shifting condition, most commonly going up from first to second gear and going down from third to second or second to first gear. You need to read this article https://www.mercedesmedic.com/must-read-722-9-7g-tronic-valve-body-conductor-plate/ Pan had a small amount of clutch material on the bottom. Afterwards, check the transmission fluid level while the gearbox is still warm. The problem continued to happen. Verified Hi again, a P0715 is a transmission speed sensor fault. Very few Mercedes-Benz cars have had complete transmissionfailure and require transmission replacement. Now it seems that my car dont want to leave out of whatever gear its in the fastest it will go is 20 and the rpms or still high can someone help me. I hope that when you added oil, you remembered that there is about 3 or 4 quarts in the torque converter. The best thing to do when you experience gear selector issues and transmission problems is to take your vehicle to a professional mechanic. Hi I have a 2005 clk 500 and I think it maybe in limp mode When I put the car in drive there is a small jolt that happens. A new valve body at the dealer can cost between $500 and $1000. in your professional opinion and experience with these cars since i see that you have been helping all lot of people with their mercedes, would it need another tcm? Replacing the O-ring transmission plug is very easy, anyone can do it if they dont mind getting dirty. Thanks! Ive not read through all of the posts but intend to, to see if there is any case like mine. In one of them, the vehicle will refuse to shift from 2nd to 3rd gear. Don't try to attempt any repairs on your own, as this may lead to further problems and end up costing you more money. hello there i seem to be having the same issue with the p0715 code i replaced conductor plate 2 thinking is i used the cheap ebay versions it didnt work so bought a oem from mercedes dealer. Here are two of our favorite scanners that will read and erase trouble codes from the transmission control units on Mercedes-Benz cars. Can anybody explain to me what is happening to my gear box ? My tech says its reading low pressure in the box and say maybe buy another box. Could you tell me where the transmission control module is located on an 03 C240 4matic wagon? W221 320 CDI y2006 200000km The glycol entering the transmission will destroy it. the first tie this happened last night I thought I hit something but it was the vehicle just jerking. When the sensor input values from the different sensors inside the transmission, in the valve body, MAF sensor and other parameters are outside the normal operation range, the car could go into the limp mode, go home mode. If it is the 722.6 transmission yes. So try waiting a second or two before putting it in gear.
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