P2767 mercedes. Select store for pickup availability.

Apr 29, 2013 · If you encounter a Dodge with a P2767 trouble code set, check the wiring between the transmission and the transmission control module. Mar 12, 2023 · 722. I was told last October for an E550 and the car had to go the dealer in last November. so there is very little power P2767 Mercedes-Benz Description. Fault is present in TCM. Add TO CART. shows they can get the parts after Oct 2012, so maybe it's possible I can get the parts now hopefully. Get the job done with the right part, at the right price. Here is a list of my stored codes; P0130, P2767, P2768, and P2A00. Oct 1, 2018 · Follow me on Instagram: @1nitido Jul 21, 2012 · 2007 C230 P2767&P0025. 9 conductor plate will cause gear selection problems and limp mode across multiple Mercedes models. The Mercedes 7-speed 722. $54599. #1 · Jul 19, 2022. El sensor de velocidad de entrada / turbina es responsable de medir la velocidad de One of the most noticeable symptoms of OBD-II Code P2767 is that the check engine light will turn on. . hauto. The typical repair is to replace the electrohydraulic control unit inside the transmission. Input speed sensor. Mechanic's Assistant: Does the sensor have a wire-wrapped magnet? If so, have you checked it with an ohmmeter? HAVE NOT PULLED THE PAN YET, BUT LOOKED UP THE PART AND DOSE NOT SHOW TO BE A WIRE WRAPPED MAGNET Jan 27, 2004 · mercedes automatik turbinendrehzahl, was ist am Auto ein EHS, ehs mercedes, automatikgetriebe ohne funktion mercedes w164, ehs getriebe, c216 ehs defekt, mercedes 7g tronic ehs tauschen, mg Fehlercode 2767, ehs 7g tronic pepe889900, DTC P2767 BAW, mb e220cdi automatik-drehzahlsensor defekt, 7g tronic ehs kauf, ehs mercedes w221, A P2767 diagnostic trouble code can be rather serious, and the resulting transmission problems can result in drivability issues such as erratic transmission behavior and engine stalling. Since the turbine speed could not be measured directly, two of the drive elements are measured. possible cause short in wire connector or faulty tss sensor or turbine speed shaft sensor. Der Eingangsdrehzahlsensor erfasst die Drehzahl der Primärscheibe und sendet ein Signal an das Getriebesteuergerät (TCM) und das Motorsteuergerät ( ECM ). Apr 16, 2019 · Hi guys, Last night the yellow engine light came on. 3. P2767 Chrysler Input Speed Sensor 2 Circuit No Signal. Fault code: P 0723Component Y3/8n3 ( Output speed sensor (VG Nov 7, 2014 · Hi, the first fault code (P2767) is a transmission fault code that indicates that the signal from the speed sensor in the transmission is corrupted. May 22, 2024 · The P2767 code indicates that there’s a lack of signal from the sensor to the vehicle’s computer, leading to potential transmission performance implications. 9 P2767 limp mode after fix. Had a work order faxed to the dealer I bought it from and the owner won't be in until noon. It worked great for about 80,000 miles--which was certainly the neighborhood of the miles I got out of the original unit/fluid. code p2767 - transmission input shaft speed sensor turbine shaft speed tss sensor b no signal. Hi all!! I have a C230 in the shop for two codes. Home delivery unavailable. Then it will stop up shifting. P0715 Mercedes-Benz Beschreibung. Causes of OBD-II Code P2767. May 14, 2011 · 2008 E350 Mercedes Benz 4Matic. I have a 2007 E320 Blutec with the 722. Called Jeep and no damage to the trans is associated with this failure. W251 R-Class Nov 22, 2008 · Mercedes changed the programming on later models requiring coding of replacement shifters on later models (better check this before your dyi) Some videos neglect to cover the removal of the floor piece under the cupholder before rotating it for removal as part on the console. 9 (NAG2)" http://www. 9 "7G-Tronic" transmissions found in the 2006 Mercedes Benz E350 Sport (W211 chassis) and dozens of other Mercedes and Chrysler cars The 7-Speed Mercedes-Benz automatic transmission is known as: One of the main differences between the 722. Wife called the other day to say the engine light was on in our 2006 300C 5. The next issue the car has is a transmission problem. OBD-II Code P2767 is defined as a Input/Turbine Speed Sensor "B" Circuit no Signal. The ECM sets the OBDII code when the Input Speed Sensor is out of factory specifications. Internal component malfunction of the 7 Jul 19, 2022 · 3 posts · Joined 2022. 9 7-Speed transmissions is that in the 7G Tronic, the Transmission Control Module (TCU) is integrated inside the transmission. En particular, indica que el módulo de control del motor (ECM) está recibiendo información incorrecta del sensor de velocidad de entrada/turbina B. 0 hour. May 2, 2014 · 2008 E350 Mercedes Benz 4Matic. I have 3 diagnostic codes showing. Start the engine and turn on the scanner. And everything seems ok from/out N15/3 and N15/5. May 26, 2022 · P2767 indicates a total loss of voltage in the input shaft / turbine speed sensor circuit. Os sintomas de um código P2767 podem incluir: Operação intermitente ou instável do velocímetro (hodômetro) Incapacidade de mudar de marcha em tudo; Velocímetro e / ou odômetro inoperante; Pontos de mudança erráticos ou abruptos . you will need a better scanner to read the fault codes of the transmission control module. PO715 INPUT/TURBINE SPEED SENSOR A CIRCUIT MALFUNCTION. 6 transmission so I replaced the 13pin connector on the transmission and did a full flush. Feb 12, 2019 · To diagnose the P2767 Dodge code, it typically requires 1. The Input Speed Sensor tells the Transmission Control Module (TCM) how fast the engine is spinning so the correct gear can be engaged. Select the appropriate vehicle make, model, and year. Expert. Question type: Maintenance & Repair. Posted on Jul 17, 2009. Opening Times. While lab scope testing the #2 signal wire, obtain Aug 29, 2009 · A 1997 E320 six cylinder straight six. But the other one just showed today. I had this code P2767 and I replaced my valve body on Sunday and by Monday I was getting the code again and the car was back to not running correctly and it seems to be worse now, if I swap a relay or shut it off I'd be good for a few days now since replacing the valve body it's lasting a mile or two May 26, 2022 · P2767 indica uma perda completa de tensão no eixo de entrada / circuito do sensor de velocidade da turbina. ). The vehicle may also go into a “limp mode,” which limits top speed and performance. Previous Previous post: P2763 Mercedes-Benz Torque Converter Clutch Pressure Control Solenoid Control Circuit High Next Next post: P2767 Mercedes-Benz Input Speed Sensor 2 Circuit No Signal Search for: Search Nov 6, 2015 · I am working on my 2006 Mercedes E350. This is approximately a $1400 repair and must be done at a Mercedes dealer as there is programming involved. associates in automotive te 12,245 satisfied customers. PO410 SECONDARY AIR INJECTION SYSTEM MALFUNCTION. You own a business and have a upset customer and noon is the best you can do. My car will drive fine. 7 Automatic Transmission. Mercedes-Benz (ML350) Toyota (Auris, Corolla, Fielder, RAV4, Vitz) Volkswagen; Arıza kodu P2767 ile bazen başka arızalarla karşılaşmak mümkündür. Dec 26, 2020 · The video focuses on the basic Mercedes-Benz specific diagnostic error code. Fax: (029 20) 223172. It is a 722. 2007 Mercedes GL450 transmission issue. Hi, The code P2767 definition is , Transmission input shaft speed sensor?turbine shaft (TSS)sensor B no signal. When I had to take off, it just revved and barely moved (stuck in last gear i am Nov 25, 2023 · El código P2767 es un código genérico del tren motriz relacionado con la transmisión o caja de cambios. P2767 Speed. Now in English it means the speed sensor is either faulty or bad connection,I would suspect the sensor, but worth getting checked by a transmission specialist, Darren DCS. The two current codes were P2767 and P2768 and stated "Secondary Air Injection at Right and Left Bank of Cylinders ( function chain )". Two input speed sensors are required because both elements are not active in all Oct 23, 2020 · 2007 MERCEDES C230,INPUT SPEED SENSOR, CAN YOU REPLACE IT WITHOUT PULLING THE VALVE BODY. One is a P2767 input turbine speed sensor B circuit no signal pending. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. Look up the other OBD II Trouble Codes, please use the search box. A failing input turbine speed sensor B can result in erratic speedometer readings, causing confusion for the driver. Category: Mercedes. Further researched pointed to Y3/8N2 sensor which I did a DIY on. The front-end clunk went away after replacing the torsion beams as recommended. After hours and hours of research I figured out it was the TCM and that this was a common problem. Make sure the #2 signal wire is not open, shorted to ground, or shorted to any other circuit. P2767 Mercedes-Benz Input/Turbine Speed Sensor 'B' Circuit No Signal. Want Answer 0. com. It's a pretty common problem. It is common for most auto repair shops to charge between $75 and $150 per hour. Answered in 40 minutes by: Mercedes Mechanic: hauto. SKU # 1186911. The P2767 code is on in my 2007 Mercedes cls. HAS A CODE P2767. Therefore, the total cost of diagnosing and fixing the P2767 fault code will depend on the hourly rate Jun 25, 2013 · What does code p2767 means for a cls 500 mercedes benz. I have code P2767 Input/Turbine speed sensor B circuit No signal. Video Feb 12, 2019 · The Input Speed Sensor detects the primary pulley revolution speed and sends a signal to the Transmission Control Module (TCM) and Engine Control Module ( ECM ). 0 hour of labor. As an information, I bleed the oil of the rear tranmission and the gearbox one month ago (2000km). Retrieve the diagnostic trouble codes (DTCs) from the vehicle’s powertrain control module (PCM). 6 5-Speed and 722. Bring the car directly to us we will take out t Jan 29, 2024 · The P2767 code in a Mercedes CLS550 AMG is related to the turbine speed sensor in the transmission. The cost of repair is influenced by the hourly rate charged by the auto repair shop, which typically ranges between $75 and $150 per hour. P2767 Dodge Input Speed Sensor 2 Circuit No Signal. Feb 12, 2019 · To diagnose the P2767 code, it typically requires 1. Este código indica que no se está recibiendo una señal del sensor, lo que puede afectar el funcionamiento del vehículo. It's prob an hour job and they charge for 4. #1. comHey guys, if you have a Mercedes Vehicle i Feb 12, 2019 · Since the turbine speed could not be measured directly, two of the drive elements are measured. It. Satisfied Customers: 2,729. Consulta la descripción y solución de códigos de averías de diagnóstico OBDII usados por los mecánicos. 2. Hi there I have a few issues, I initially had a p2767 input/turbine speed sensor “B” Circuit No Signal code pop up on my 2008 Mercedes e300. If it happens while under warranty, you can save yourself some money, othewise it's not too bad to DIY. Contents:0:21 Basic DTC analysis according to OBD2 protocol standard. The input speed sensor is inside of the transmission, incorporated into the electro-hydraulic assembly on top of the valve body. Jan 20, 2015 · P2767 is the code. The valve body will need to be removed in order to replace this assembly. 2006 Jeep Commander Engine Consumer Complaints Details … 2006 Jeep Grand Cherokee Electrical System Consumer Complaints Details … 2007 Mercedes-Benz SLK280 Others Consumer Complaints Details … 2009 Jeep Grand Cherokee Powertrain Consumer Complaints Apr 5, 2015 · Apr 5, 2015. they are coded with the vin from the dealer and is the only way the car will start and function. Enter the 5 character trouble codes in the search box and submit the search. When the TCM receives an inaccurate signal from this sensor, it can't properly shift the vehicle from gear to gear as the Feb 12, 2021 · 9 posts · Joined 2020. 7 wagon. P0601. The cel light is giving me two codes P0018 and P2767. Now that is all well and good but I don't compute! The currently selected ODB-ii codes is for the Mercedes-Benz makes. I have a W211 e320 bluetec and experienced a intermittent limp mode turbine speed sensor fail. Find our best fitting speed sensors for your vehicle and enjoy free next day delivery or same day pickup at a store near you! Jan 4, 2017 · HOW TO FIX MERCEDES TRANSMISSION THAT DOES NOT SHIFT LIMP MODE Check Out Our Website: http://mechaniclifestyle. This morning I connected up my ICARSOFT MB11 and checked. 9 NAG2 7 speed rear wheel drive transmission was first introduced in 2003. steuergeraetrezek. Tel: (029 20) 220380. Code P2767 popped up and an independent mechanic has confirmed that is the issue but is not certain to either change the sensor or just replace the entire transmission. P2767 Jeep Input Speed Sensor 2 Circuit No Signal. Symptoms of a P2767 include: Hard or erratic gear changes; Transmission refuses to shift; Lower MPG; Speedometer/odometer refuses to work or fluctuates May 25, 2022 · I have a 2008 Mercedes E350 sedan 4matic. Two input speed sensors are required because both elements are not active in all gears. You may also experience a variety of transmission issues, including slipping, harsh shifting, and difficulty shifting at all. #1 · Feb 12, 2021. 115 Answers. Any help would be appreciated!! 2006 c230 code p2767 - 2007 Mercedes-Benz C230 Sedan. Although it is a generic code, the specific repair steps may vary depending on […] May 23, 2021 · sorry you are getting code P2767. 1:48 Insight What does code p2767 means for a cls 500 mercedes benz. 0218 La température de l'huile de la boîte de vitesses est trop élevée. Mercedes Technician. Great! Thats all fine and dandy! Except driving the car home I came down the hill off the highway exit and stopped at the light. 9) and I got the same symptoms but with the fan running a lot in addition. What needs to be replaced. Jun 20, 2020 · The video focuses on the basic Mercedes-Benz specific diagnostic error code. Symptoms of a P2767 code may include: Intermittent or erratic operation of the speedometer (odometer) Inability to change gears at all; Inoperative speedometer and / or odometer; Erratic or abrupt shift points; Decreased fuel efficiency; reasons Dec 3, 2023 · Mercedes Benz E-Class How to fix code p2767 , p2768 turbine speed sensor malfunctionMercedes Benz E-Class, Mercedes benz w212Hi guys everyone this video show Mar 23, 2021 · Mercedes GL450: 2007 Mercedes GL450 transmission issue. This transmission has deleted the dipstick for checking the transmission oil, the pan assembly has a clip in fill and check pipe. If you "Check Engine Light" or CEL comes on, go by Advanced Auto Parts and have them read the code. When it does get stuck in first the transmission is very clunky going from Park to Nov 23, 2016 · If you want professional assistance in removing your ECU unit from gearbox, we provide this facility as well. May 1, 2021 · 5 posts · Joined 2014. P2767 Lexus Input/Turbine Speed Sensor 'B' Circuit No Signal. P2767 Speed sensor. mercedesbenztechs. but the most common problem is a failed transmission control module. I had intermittent limp mode and after doing research narrowed it down to conductor plate sensors. The TCU is mounted on top of the valve body. Mon – Fri: 8:00am – 6:00pm. If the wiring checks OK, raise all four wheels off the ground, start the vehicle and place the shifter in drive. Feb 23, 2020 · This video shows how I did fix a 7G TCM Conductor plate I believe it was from a 2008 C Class. Without the proper signal from the turbine speed sensor, the transmission is unable to provide a working shift strategy. The P0018 has been a problem for a while now. From WIS electical diagram I made some continuity tests. Two input speed sensors are required because Aug 16, 2022 · The Mercedes 722. You would need to drain the transmission fluid and replace the entire conductor plate to fix this code. Make sure your seller on EBay allows returns. Jun 11, 2021 · 3. Part # 800-SS-SPEED. Feb 19, 2020 · Mercedes Benz Transmission Won't Shift? Limp Home Mode. How to RESET TCM Electronically. that code means you have an issue with the transmission,. recently had the check engine light go on and got the code p2768 im Nov 9, 2010 · To follow up on the P0012 code, it appears to be a magnet that goes bad on one of four cam sensors. The speed sensor is not replaceable by itself. Jul 19, 2014 · E500 p2767 trans code, limp mode need help!! I Just bought this beautiful e500 today, knowing I needed to replace rear air springs. PO720 OUTPUT SPEED SENSOR CIRCUIT MALFUNCTION. Mar 1, 2015 · 2007 Mercedes GL450 transmission issue. We can help diagnose fault P0715, P0716, P0717, P0718 on your Mercedes vehicle A1 Diagnostics have all the latest Mercedes equipment and technology needed to diagnose fault codes. code P2767. Email: info@a1-diagnostics. Feb 12, 2019 · Labor: 1. This sensor monitors the speed of the turbine, which is crucial for the proper operation of the transmission. posted on oct 03, 2010 Mercedes-Benz: TCM Fault DTC P2767 has been discussed in the following consumer complaints. May 4, 2018 · Mercedes Mechanic: Lou Palomino, Mercedes Technician replied 6 years ago a transmission shop cannot help, you need to have the dealer replace these valve body control modules. It is throwing P061B, P0717, P0718, P2768, P0513, P2767. "7" in the third character position in a DTC indicates that the transmission is experiencing a malfunction. Don’t assume a particular OBD-II code means the same for other auto manufacturers as there are many makes specific codes in Apr 19, 2011 · Mercedes-Benz Vans/Trucks/SUV/Others. P2767 - Ingresso/sensore velocità turbina B Circuito Nessun segnale; P2767 - Input/Turbine Speed Sensor B Circuit No Signal; Che cosa significa il codice di errore P2767? Questo codice di errore diagnostico (DTC) è un codice powertrain generico, il che significa che si applica a tutti i veicoli dal 1996 in poi (Ford, Honda, Mazda, Mercedes Descripción y causas del código de avería P2767. Got techy to check it out. ok. There is also 1 pending code; P2A00. If you want to replace it yourself, let me know and I will send you the procedure. This is an Mercedes-BenzP2767 Mercedes-Benz DTC P2767 Make: Mercedes-Benz Code: P2767 Definition: TCM Fault Description: Transmission operation affected. transmission code. 1:48 Insight Jul 23, 2014 · How bad is - Answered by a verified Mercedes Mechanic. Symptoms. Tel: 0163 637 59 77 WEB: www. To diagnose the P2767 Toyota code, it typically requires 1. Clicking this will make more experts see the question and we will remind you Aug 30, 2019 · To test the TCM I unplugged the wire one the gearbox (722. 0. This is a code that came back 3 weeks after I replaced the exhaust camshaft magnets on both banks. Lou Palomino. The first series pan assembly with transmission production date up to June 21, 2010, is recognisable by theContinue reading "The Mercedes 722. P0717 Mercedes-Benz Code - Input/Turbine Speed Sensor Circuit No Signal. Put in reverse car went forward put in drive wouldn't move. 9 Transmission Repair in Broward County Florida. de / Adresse: Bocholder Str 73 in 45355 ESSEN Nov 2, 2021 · This 7G-Tronic 722. Nov 17, 2018 · Fault code: P 0722The signal from component Y3/8n3 ( Output speed sensor (VGS)) is not available. P2767 Trans fault, Input shaft speed sensor 2 - no signal. Unlike the Chrysler speed sensors you could change in 20 seconds without tools I had to tear into the transmission. P0218. P2767 input/turbine spped sensor B circuit no signal This is a TRANSMISSION CODE Read full answer. Stop it El código de falla P2767 se refiere a un problema en el circuito "B" del sensor de velocidad de entrada / turbina en un vehículo. It will get stuck in first sometimes so I … read more. Mar 25, 2013 · Call 954 771-5181 for Mercedes 722. not go in turn the car off and on and it ran like nothing ever happen just. Select store for pickup availability. Jul 6, 2017 · 05 grand Cherokee Laredo . Technical Description of OBD-II Trouble CodeNo Signal in Input/Turbine Speed Sensor “B” CircuitWhat does that signify?This diagnostic trouble code (DTC) is a generic powertrain code that is applicable to all vehicles manufactured from 1996 onwards (Ford, Honda, Mazda, Mercedes, VW, etc. #1 · May 1, 2021. En yaygın olanları aşağıdaki gibidir: P2765, P2766, P2768. Sep 29, 2021 · This is a common failure on these Mercedes models. I got ti P2768 code definition. What would be the best course of action? Will there be anticipated issues with the the transmission being replaced? I have a 2008 Mercedes E350 sedan 4matic. Feb 12, 2019 · The Input Speed Sensor detects the primary pulley revolution speed and sends a signal to the Transmission Control Module (TCM) and Engine Control Module ( ECM ). The Input Speed Sensor 2 is one of the two hall effect speed sensors that are used by the Transmission Control Module (TCM) to calculate the transmissions turbine speed. Feb 12, 2019 · Code P2767 Information for Specific Makes. This vehicle has 72465 miles and has been serviced and kept in brand new condition. It never threw a code until 2 weeks ago which it was permanently on limp mode with code p2767. Para entender mejor este código, es importante explicar algunos conceptos clave: Nov 6, 2014 · The Input Speed Sensor 2 is one of the two hall effect speed sensors that are used by the Transmission Control Module (TCM) to calculate the transmissions turbine speed. 9 07 W211 E350 Speed sensor on the conductor plate is faulty I’ve had this issue for 2 years and cars goes into limp mode every 6 months or so. Code P2767 popped up and an independent mechanic has confirmed that is the issue but is not certain to either change the sensor or just replace the entire tra … read more P2767 Subaru Description The Input Speed Sensor 2 is one of the two hall effect speed sensors that are used by the Transmission Control Module (TCM) to calculate the transmissions turbine speed. P2767 Chrysler Code - Input Speed Sensor 2 Circuit No Signal. Whats more, it can lead to harsh shifting between gears, making Racepak Turbo Speed Sensor. was driving and came to a stop once i accelerated got no response gears will. What Scanner ACTUALLY works and which ones don't work. What Does the Engine Code P2767 Mean? Character "P" in the first position of Diagnostic Trouble Code (DTC) represents the powertrain system (engine and transmission), "2" in the second position means that this is a ISO/SAE controlled OBD-II (OBD2) DTC. 0604 Unité défectueuse Y3 / 8n4 (unité de contrôle intégrée dans la transmission automatique (VGS) P0605. Posted by Anonymous on Apr 24, 2014. My wife uses the car and … read more Codes défauts boite vitesse 722C. Posted by singergirlee on Dec 10, 2010. 2008 E350 Mercedes Benz 4Matic. now however i have an inoperative esp and run flat indicator and my transmission still clunks at 2008 E350 Mercedes Benz 4Matic. The P2768 code is stored when the powertrain control module (PCM) receives an input signal from the turbine speed sensor that is in erratic, irrational, or in some other way incorrect or unusable. 9 transmission. com/mercedes-transmission-services/ 770-837-3888Issues with Mercedes transmission?? no communication with VGS? VGS defective? t Apr 25, 2017 · Lastly, the replacement costs for parts, labor and programming for this issue can range from $2,000-$4,000, depending on the type of TCM your vehicle is running. P2767 - 2007 Mercedes-Benz ML350. 0601 Un codage ou une configuration de variante incorrecte a été identifié) P0604. P0025 exhaust camshaft position timing over retarded bank 2. Its built into the conductor plate that is installed on the valve body inside of the transmission. Das ECM Legt den OBDII-Code fest, wenn der Eingangsdrehzahlsensor die Werksspezifikationen nicht erfüllt. 9 Conductor Plate TCM Repair solution for your original TCM that resolves all of these issues with a fast, one-business-day turnaround. Jul 26, 2019 · 722. Car is locked in limp mode. Found two CURRENT and 2 HISTORIC codes. The automobile fault code P2767 can be diagnosed and fixed within an estimated repair time of 1. About 80,000 miles ago I had the conductor plate (also known as electro-hydraulic control unit) rebuilt for a faulty Y3/8n1. Sep 18, 2020 · - Rodney Birmingham, Alabama (USA) - Current: 2011 SL550, Former: 2011 C300, 2010 ML350, CLK550 Cabriolet, 2002 C240, 2001 ML320, 1984 300TD Checkout the MBZ glossary: Diagnostic Tool Terms and General Glossary Oct 25, 2010 · My car is throwing code P2767: 2007 Charger R/T 64K miles Transmission W5A580 (Mercedes 5-speed) First off, the help I’ve received thus far has been awesome. How to access Dec 1, 2015 · Asked by benzi2006 Dec 01, 2015 at 12:00 AM about the 2006 Mercedes-Benz CLK 350 Coupe. P2767 Toyota Code - Input/Turbine Speed Sensor 'B' Circuit No Signal. It will get stuck in first sometimes so I use my repair tool to reset the adaptive learning protocols and it works fine for a few months, then it happens again. Fault codes such as P0715, P0716, P0717 Jan 25, 2024 · Here are the steps to diagnose the P0732 code for Gear 2 Incorrect Ratio: Connect an OBD scanner to the vehicle’s OBD port. Fortunately, we have developed a Mercedes-Benz 722. we wy md hm xh wc vf wj lx bn