Gm transmission codes Dec 1, 2010 · There are about 400 transmission codes in the GM build codes. This page will help with NV3500 identification using the RPO codes MD5 and M50, as well as through visual inspection. Oct 25, 2024 · Now that you’re familiar with the five categories of GM OBD-II codes, you’ll need to know how to navigate the Diagnostic Trouble Code List. With these units coming out of dealer warranty, they will end up in your shop sooner rather than later, needing diagnosis and repair. Please post your RPO May 31, 2006 · I bought a RSSS 1969 camaro and this transmission can with it. It stands for: M30: TRANSMISSION, AUTO 4 SPD, HMD, 4L60E, ELECTRONIC There is a different RPO code for every GM transmission, sometimes several. It should look something like the item below, where I have circled M30 - which is the trans I have. Look in your glovebox for the Service Parts ID tag. 0L K-Truck 3KKD 5. P1870 is a “manufacturer specific” OBD-II trouble code used by GM. Be sure to double check the codes. OVERFILLING SETS CODE P0218 OVERHEATS THE TRANSMISSION Overfilling will cause the transmission to overheat and set code P0218 — transmission fluid over temperature. 1962-74 Oldsmobile automatic transmission code decoder helps figure out the type and configuration. 0L C-Truck, G-Van 3CHD 5. 7L K-Truck 3KDD 6. It actually can tell you a lot about your vehicle, including its: Year Make and model Trim package Engine size Transmission type We have a handy tool that breaks down your GM's VIN. Provide the code and we can look it up. Mar 27, 2025 · Decode your GM Truck with RPO Codes: detailed explanations, features, and specifications. 2L K-Truck 3KFD 4. This identified the model year, engine type, date, and transmission serial number. Manuals, instructions and schemes, diagrams. They are all made of aluminum. New to the forum here. Below is a list of the current RPO codes: Apr 1, 2017 · Are you just trying to decipher a specific truck's RPO codes, or are you trying to get a full list of every available RPO for all GMT400s? If its the first part, go to compnine. Is it possible that this car can with a saginaw 4-speed ? Apr 21, 2021 · Troubleshooting shift problems and solenoid/shift codes by vacuum testing the VFS solenoids is an easy, effective way to avoid expensive valve body repairs. Halderman GENERAL MOTORS REGULAR PRODUCTION OPTIONS (RPO) CODES What is an RPO code? The regular production code(RPO) is the code used when the vehicle was built including all optional equipment listed by code which includes letters and/or number. pdf file contains all of the RPO codes associated with our vehicles: Jan 19, 2025 · The Hydra-Matic 6L80 (production code MYC) is a six-speed automatic transmission produced by General Motors for use in rear- and rear-biased all-wheel-drive vehicles with a longitudinal powertrain orientation. GM FWD Transmission ID Charts On the rear of the trans there should be a metal tag affixed to the case that looks like this: Click a year below to view the information. Chevrolet Trans VIN decoder This is the Chevrolet TRANS VIN decoder. Everything you'd want to know about the 4L70E transmission. Here’s more on GM Transmission RPO codes. 03. g. 1:United States) Jul 14, 2024 · Unravel the mystery of transmission codes with this article, guiding you on how to decode and utilize these crucial identifiers for your vehicle's transmission system. GM RPO Codes Below is a complete listing of the General Motors Regular Production Option (RPO) Codes for your viewing pleasure. MV5 : TRANSMISSION, MAN 5 SPD, HMD, 76MM, 3. Identification • Applications • Shopping Identify Your Transmission Quickly identify your transmission by family, years, and gear count. Reconnect negative battery cable and recheck codes to confirm the repair. I have read through a lot of forums and don't see my problem. This 1967 Corvette has a build sheet with an RPO code for an M21 closeratio 4-speed. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there? Mar 11, 2018 · So, if you are looking for any specific GM transmission, you should be familiar with, of course the type like TH350 or TH400, but also the other identifiers and sub-codes to be able to tell exactly what Series/Line and engine option that transmission was originally attached to. GM Transmission Information (Looking for Engine info? Click here) This page has been set up to bring you the most accurate and up to date information on GM transmissions that is available to us. I believe this is the same trans in my truck but I'm trying to confirm. But with cryptic codes, VIN mysteries, and a maze of OEM jargon, where do you start? Buckle up. I want to make sure I am ordering the correct parts. What Causes P0700? What does the code P0700 mean? It is often seen with shift solenoid issues or other transmission codes. If not it would have to be an extra cost option. Apr 2, 2020 · How to identify what transmission I have Jump to Latest 28K views 6 replies 4 participants last post by eparker88 Feb 12, 2025 K Oct 1, 2017 · Hello. So if you're looking to buy a transmission off of Here you'll find information to help you with Proper 4L60E Transmission identification, as well as specs, gearing RPO Codes and more. Also do you happen to know the code "16Z"? I cant find it anywhere. This is espescially true for the people who are still using the generation I and II small-block Chevy. The codes are derived mostly from GMVIS Reports. This manual can be used in collusion with any type of scanner utilized in retrieving these codes from the computer. Mar 14, 2025 · This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions. my vin # is 1GTEC19V06Z227419 i want to change the atf and filter,i plan on getting Apr 18, 2020 · I'm looking at a used transmission for my 1997 GMC C1500 Sierra SLE - SCLB RWD w/5. It was created to help GM meet ever more demanding CAFE regulations on their vehicles. Follow along as we define a P0700 error code and other similar codes. Check the RPO (Regular Production Option) codes: Open the glove box of your Chevy Silverado and look for a sticker or label. It can also be used to date 4L60E transmissions if you continue the date progression. Thanks to your efforts, we’ve discovered ways to May 13, 2024 · To find out what transmission you have in your Chevy Silverado, you can follow these steps: 1. anybody have a clue as to where I should start? Aug 17, 2012 · RPO Codes The following is a list of RPO codes used by GM for the 7th Gen. RPO Codes Decoder - Find out what options your GM Chevy Buick Cadillac vehicle is equipped with - GM Chevrolet Buick Cadillac - Regular Production Option The following table lists Diagnostic Trouble Codes (or “fault” codes) related to the transmission. Scroll down until you see the search engine in the picture below. Understanding your transmission is essential for maintenance, repairs, and upgrades. creator-sprin Jul 22, 2006 · 1970 Turbo 400's CA-400 V8 2 barrell carb Chevy and Monte CB-454 V8 345 hp Chevrolet CD-400 V8 Chevelle and Monte CF-400 V8 Chevrolet CG-454 V8 Police CK-350 V8 Corvette CR-454 V8 390 hp Chevrolet CS-454 V8 Monte Carlo and Corvette CW-400 V8 Chevelle CY-454 V8 Chevelle and Corvette Dec 17, 2022 · What Is The Process For Chevy Transmission Identification By Vin? If you need to identify the transmission in your Chevrolet vehicle, you can do so by looking up the VIN. I don't want to put all 400 in a post! Aug 7, 2008 · Just wondering if anyone knew of a decode chart for these trannys? I found a chart that decodes the 3 big letters and then describes the small 13 digit Sep 15, 2003 · General Motors’ infamous trouble code P1870 has been around since 1995 and is very familiar to transmission shops. 93 A small metal tag is affixed to the passenger side of the transmission just above the pan rail. Each transmission family has a distinctive pan configuration that serves as an immediate visual identifier. All TH400 transmission dates are counted from January 1 of the previous calendar year. 6L. 93 JSFM 258mm 133 NoIMS 7FBB 3800 SC V6 Buick Riviera 3. Aug 7, 2024 · You can also take a good photo picture of the shape of the transmission fluid pan and compare it to online diagrams of all GM transmissions. This information should be used as a guide only. The new QR code includes the Vehicle Identification Number (VIN), RPO codes and other information that identify the content of the vehicle. 7L C-Truck 3KAD 4. What are OBDII Transmission Codes? Oct 11, 2023 · Hopefully someone here can enlighten me on my transmission model. The most common diagnostic trouble codes begin with the letter “P”, which stands for Powertrain. Thanks!! Mar 11, 2022 · If Your VIN Doesn’t Provide Complete Transmission Information, You May Need To Seek Out Your Vehicle’s Transmission Identification Number. Aug 27, 2023 · IIRC, MXO is a general code for an automatic transmission - you should have another transmission model-specific code to go with it, like M30 for a 4L60E. The MYC is the 6L80, the M30 is the 4L80 what do I have? I am going to be pulling the transmission to repair the rear engine seal leak. Mar 3, 2025 · How to Identify GM Transmissions | 700R4, TH350, 4L60, & More This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions. “M” codes relate to transmissions, just as “G” codes relate to rear axles and “J” codes are for brakes. Use this information to interpret the RPO numbers on the vehicle’s Service Parts Identification (SPID) label. Detailed information on troubleshooting and repairing a P0700 DTC code which refers to a transmission control system malfunction. Dec 9, 2024 · Learn how to use VIN and RPO codes to determine the right TEHCM serial number for a Gen. Information about General Motors Hydra-Matic 10-speed automatic transmission, including specifications, vehicle applications, variants, gear ratios and more. Get in the right gear with these tips Jan 8, 2024 · If your vehicle’s check engine light has been traced back to a P0711 fault code, you likely find yourself questioning what it means, and more importantly, how much it’s going to cost to fix. But the firewall has ahole for the speedo cable to go through like a 4 speed muncie with the clips. The most likely reason the code appears is that the TCM detects a problem in the transmission. 7L C-Truck, G-Van 3CJD 5. Oct 14, 2016 · GM re-used a ton of those RPO codes for different things on different vehicles. com. Built in the Monster style for speed, clarity, and conversions. There's a outside chance it has a TH375 from the factory, The SPID sticker in the glove compartment will list the transmission the truck was assembled with. All automatic transmission applications are identified starting with the letter “M” and then followed by numbers, letters or a combination. The VIN is a 17-digit code that uniquely identifies your vehicle. Since questions about trouble codes frequently come up, I thought others may find this useful Detailed information on troubleshooting and repairing a P0700 DTC code which refers to a transmission control system malfunction. Nov 19, 2011 · The attached . Jul 8, 2024 · Learn how to decipher transmission codes on vehicles for troubleshooting and part replacements. M30 Specs The M30 transmission has an aluminum case and weighs 162 pounds with all the fluid in it. 93 JSFM 258mm 133 NoIMS 7FHB 3800 V6 Buick Riviera, Buick Park Avenue/Ultra 3. Below are the most common global trouble codes for transmission problems. Where are the RPO Codes Located? Beginning with the 2018 model year, a QR code was added to the Certification label on all Buick, Cadillac, Chevrolet and GMC models. The following charts can help with GM transmission identification for automatics and manuals. 05 35/35 3. Mar 15, 2018 · The NV3500 transmission is difficult to identify and rebuild. 29 37/33 2. The 4L80E Transmission system is equipped with a computer called the Transmission Control Module (TCM), located in the left/rear passenger seat compartment which interprets, ana-lyzes and records electronic signals from sensors and switches located on the engine, brake pedal, and transmission. Apr 14, 2018 · RPO Codes are a system that GM uses to identify which parts and options are on any particular vehicle that they manufacture. Nov 14, 2023 · An example of the sticker where you can find the 2d code that contains your RPO codes Here’s the full list of RPO codes used on the 2024 Chevrolet Silverado 1500 for your reference. The GM RPO codes label in your glovebox or on drivers door identifies axle ratios and more. Chevy fault codes are unique codes that your vehicle's data processor produces when it detects a malfunction or impairment in your car. As an aid When the check engine light illuminates, an OBD-II scanner is used to retrieve the diagnostic trouble code (s) that are stored in the system. Error codes ranging from P0700-P0702 indicate a problem with a vehicle's transmission. 3L K-Truck 3KBD 5. Every Chevrolet car has a unique identifier code called a VIN. We’re cracking the code like a seasoned mechanic. Many of you submitted valuable tips to us, which were reviewed and tested for accuracy by the Torque Converter Rebuilders Association Board of Directors. GM OBD/OBD2 Codes >> GM 92-95 C/K Pickup Mar 3, 2025 · How to Identify GM Transmissions | 700R4, TH350, 4L60, & More This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions. This sticker will contain a list of codes, and you are looking for a 3-character code starting with “M”. I TBI, OHC, ALUMINUM. 3L C-Truck, G-Van 3CCD 5. It also goes over general NV3500 Specs and Info. How to change fluid, capacity of gearbox. Nearly all of the GM automatic transmissions have a few things in common. Learn Where To Find Your Transmission Tag Here. 7L K-Truck 3KSD 6. I'm trying to source a used/replacement for the truck but it's confusing. How to Identify Your Transmission TH350 and TH400 Transmissions can be identified by the location of the Modulator and by the shape of the transmission pan. Check these troubleshooting and repair guides for more help on your GM. TH200 The TH350 transmission identification, decoding, and super-tuning process is what sets it apart from other transmissions. THM 440-T4 / 4T60 1985 1986 1987 1988 1989 1990 4T60-E 1991 1992 1993 1994 1995 1996 1997-99 4T65-E 1997 1998 1999 2000 2001 2002 Nov 18, 2022 · Demystify GM transmission identification by decoding numbers and letters to determine your vehicle's transmission type. Your key to understanding vehicle options. The 6T40/45 uses a thermal element to control the oil level in the unit, similar to other GM units. If stuck, seek professional Sep 1, 2017 · Always replace these bonded pistons during a rebuild. All the codes are three digit. Codes are organized by system, such as Engine, Transmission, or Body. This number contains vital information about the car, such as its manufacturer, year of production, the plant it was produced in, type of engine, model and more. 0L C-Truck, G-Van 3CFD 5. 4T65E Identification These transmissions use many different sized torqe converters depending on which application they went originally went in. Oct 24, 2013 · A few years ago I came across this GM website which allows the user to research GM Diagnostic Trouble Codes (DTC) for 1995 thru 2012 model year engines and transmissions. Jul 28, 2006 · During the past year Sonnax sponsored a “Help Crack The Code” Contest, appealing to builders from around the country to share information gleaned from years of experience in the industry. SO 1 , 1. Decipher the codes and get the right parts! RPO Codes Decoder - Find out what options your GM Chevy Buick Cadillac vehicle is equipped with - GM Chevrolet Buick Cadillac - Regular Production Option 6L80E Specs + Identification The 6L80 Hydra-Matic transmission is a 6 speed automatic transmission manufactured by General Motors. Clearing Trouble Codes Diagnostic trouble codes may be cleared by disconnecting the battery ground cable for at least 20 seconds. I recently purchased a 2008 GMC Sierra 1500 CC Z71 4wd. 3L K-Truck 3KJD 5. You must have Adobe Acrobat Reader to view. If 1997 4T65-E ID Chart 7BDB 3800 V6 Buick Riviera, Buick Park Avenue/Ultra 3. Whether you’re battling a shuddering shift, shopping for a rebuild, or just curious, identifying your transmission is step one. 1962-74 Buick automatic transmission code decoder helps figure out the type and configuration. Please post your RPO May 14, 2009 · Who can identify transmissions from the codes on the tag on the top. Dec 18, 2016 · I cleared the codes and they all came back. Although the TH350 Learn how to identify and decode a 4l60e tag with easy to follow diagrams of case numbers and sticker information. GM RPO Codes – Remember, not all codes apply to each model or year or both GM RPO Codes – Remember, not all codes apply to each model or year or both: Jul 11, 2019 · GM 4L60E ID codes 2. 8 2WD 160k with a 4L60E. 2L C-Truck, G-Van 3CLD 6. When I look online on auto parts websites they have 2 different transmissions. In recent years GM has packaged popular options and forced many features into the price. These codes can be found in the glovebox of the Malibu and are useful in determining what exact options the Malibu has from the factory. GM Ford Chrysler FAQs 1962-74 Chevrolet automatic transmission code decoder helps figure out the type and configuration. 6TKD then beside that is Feb 7, 2024 · The transmission order code is MYC, M30 This is confusing me. It manufactures its own automobile transmissions and only occasionally purchases transmissions from outside suppliers as needed. Truck is a 2012 Silverado 4. Jul 29, 2016 · Learn how to identify production code numbers, VIN numbers, and more on a Muncie transmission. Oct 1, 2017 · Hello. Manufacturer Specific codes are characterized by a "1" as the second character and are used for certain makes and models. Automatic and manual codes vary but share the same purpose. Mar 11, 2017 · Depending on how the truck is configured when ordered, it could be part of a option package or not. Below you will find the most complete list of GM trouble codes available. Malibu. I could only go back to 2015 models and G80s. We’ll go over the most likely causes of a P0711 code, the symptoms you may experience, and how to go Nov 14, 2023 · An example of the sticker where you can find the 2d code that contains your RPO codes Here’s the full list of RPO codes used on the 2024 Chevrolet Silverado 1500 for your reference. Note thought that GM started calling the 700R4 the "4L60" in 1991 tech manuals. If it's the second part, why? There are sites that list every single RPO code GM made and you can search them alphanumerically. For example, codes between P1700 and P1999 are Ford powertrain fault codes and P1700 to P1899 are for General Motors. GM transmissions are used in passenger cars and SUVs, or in light commercial vehicles such as vans and light trucks. The Turbo 350 is arguably GM's most popular automatic transmission with the aftermarket even today. The Cruise-O-Matic/FMX transmissions are easily identified by their design, which incorporates a cast-iron main case (unlike all other Ford three-speed automatic offerings) with separate aluminum bellhousings and extension housings bolted to it. The document includes detailed ID codes that correspond to various vehicle types such as C-Trucks, G-Vans, F-Cars, and Corvettes, specifying engine sizes and configurations like standard and extended cabs. Powertrain (or “P”) DTCs include the engine, transmission and emissions systems. 2L C-Truck, G-Van 3CND 5. Decode the RPO code: Once you have found the RPO code, you can This page provides detailed information on identifying and interchanging TH400 transmission cases, including specifications and compatibility guidelines for optimal performance. Anything P1000 to P1999 or P3000 to P3400 will be Manufacturer specific and may not match the ones listed here. They start with the letter M. This particular trouble code indicates an issue with the transmission fluid temperature sensor. RPO codes are typically placed in the glove compartment, which allows you to view the options on your vehicle without ever cracking the hood, or crawling under the car. Thanks for any help 1962-74 Oldsmobile automatic transmission code decoder helps figure out the type and configuration. There are only a few RWD GM transmissions with Hydra-Matic stamped in the pan. ”) Typically, when you ordered a GM car you had standard options and accessories installed. These features are all present: One piece bellhousing, short pan, the first number from the ID label is 7, D is supposed to Your GM’s vehicle identification number (VIN) may seem like a random string of numbers and letters. Dec 30, 2024 · We hope you find the Lookup GM Transmission by Model, Year guide helpful. Check specific manufacturer pages on the site, as some of them, we list the OBD2 codes on those pages for those specific vehicles. I am just trying to verify a transmission before I send it off and waste money on shipping. I want to change the transmission filter but I don't know which 4 speed transmission I have. RPO codes can be found on a sticker inside the glove compartment of all modern GM vehicles. Jul 30, 2025 · The easiest way to identify most GM automatic transmissions is by examining the shape of the transmission pan and counting the bolts. Thanks!! OBDII GM Code Definitions. Jan 16, 2023 · Found a nice, easy way to search GM 4L60/65/70e case numbers. 7/350 Vortec. Each of the positions in a VIN describes a specific aspect of the vehicle Example VIN for 2011 Ford Fiesta 3 F A D P 4 E J 9 B M 1 5 6 9 3 7 The World Manufacturer Identification code, with the first character identifying the country of assembly (e. Type in your four digit case number on your transmission and it will tell you what kind of vehicle it came from. The TH400 & the light duty version TH375, TH200-4R, & the TH200. 1993 Tag ID Vehicle 3CAD 4. It says there is a software based routine which resides in the Mar 4, 2025 · Your transmission isn’t just a metal box of gears—it’s the unsung hero (or villain) of your driving experience. The manual says that GM has a *Control Solenoid Valve and Transmission Control Module Assembly Cleaning* procedure. Also includes links to relevant forum topics on the code. Each alphanumeric sequence is unique, revealing manufacturing details and technical specs. Rick Apr 15, 2011 · Here is how to year date a 700R4/4L60 transmission. Dec 17, 2024 · Today we will discuss how to identify the GM 6T70 series generation by using the Regular Production Option (RPO) code and the VIN. Jan 4, 2016 · I would guess a 4L60 which is just a updated & renamed 700R4. Apr 1, 2007 · GM sometimes uses the RPO codes to identify the repair sections in the manual. The following is a guide to all the manual transmissions and transfer cases that GM is using, with the information good through March 29, 2006. This car was built 11c. 05 JSFM 258mm 133 NoIMS 7HKB 3800 SC V6 Buick Regal, Pontiac Grand Prix 3. Oct 19, 2021 · 4L60E transmission rebuild tips and guides. Discover valuable tips for verifying information and using online resources effectively. Code Description BZO SEAT CUSHION-DELETE-INDENT BZP ORNAMENTATION INTR, WOODGRAIN BZQ ORNAMENTATION EXTR, NAMEPLATE, CXL BZR STEPS, RUNNINGBOARD SIDE, CLEAR ALUMINUM BZT STEPS, RUNNINGBOARD SIDE, BLACK ALUMINUM BZU PAINT PROCESS BUMPER, FRT, RED WE223B BZW PAINT PROCESS BUMPER, FRONT, RED WE8418 BZY LINER PUBX BZ0 VEHICLE GM PROD WEEK 09 BZ1 Dec 30, 2024 · We hope you find the Lookup GM Transmission by Model, Year guide helpful. LS5 : ENGINE, GAS, 4 CYL, 1. Learn how to locate and interpret these codes using various tools and resources, empowering you to make informed decisions regarding repairs, maintenance, and upgrades. the transmission seems to clunk when I shift into gear as well as the gear selector on the dash doesn't switch when I shift. 4L60E's use the letter D as the 3rd digit of the 3 letter model code, where 700R4/4L60 uses a M. 1 or 2 6T70/75/80 build. Decode the numbers and find the right gears for your vehicle. If Stuck On During Upshift is enabled (See Above), Engine Torque Must be Aug 5, 2016 · M30 itself is a RPO code. Since there are so many layers of technology to consider, correctly diagnosing Jan 17, 2017 · Yep, just find the RPO code on your sticker and check that against this GM Transmission RPO guide: Nov 19, 2011 · in the glove box it has m30 for the transmission code which is a 4 speed automatic when i looked up m30 code it has several different 4 speed how do i tell which one is mine,here is what comes up with m3o code. Looking at the junkyard part interchange Jul 9, 2024 · Learn how to decode transmission serial numbers with our comprehensive guide. 2L K-Truck 10 seconds 3rd occurrence Transmission Component Slipping Fail Case 2 P0894 This DTC detects Slip in the Torque Converter Clutch and/or the Forth gear Clutch Pack with the TCC in an apply or locked mode. Jun 25, 2012 · "What transmission do I have?" This is a common question. Not all scan tools can read transmission codes with only certain units with features to read and diagnose transmission errors. 2. GM is telling me they have no clue what it is from that number. Compare bolt patterns, see common applications, and jump straight to the right parts or complete remanufactured units. 3L C-Truck, G-Van 3CBD 4. (The M does not stand for “Muncie. If you’re an owner of a GM vehicle - and you DON’T know about RPO codes - the following information will be extremely useful to you. MD8 is the 4L60 code. In previous model years, the Service Parts Identification (SPID) label, often located in 4L60E/65E/70E- 4L80E/85E DIAGNOSTIC CODE BOOK INTRODUCTION The GM 4L60E/65E/70E-4L80E/85E Diagnostic Code Book is designed to provide the technician with a step by step diagnostic approach to each and every transmission code available from 1991 to the 2007 model year. Find the code on the transmission case, note it down, then consult your owner's manual for interpretation. Mar 1, 2024 · Meta Description: Learn how to identify the GM 4L80E transmission with confidence, from decoding identification codes to recognizing key features. Find out where to locate these numbers, tools needed for identification, and how to break down the components like manufacturer code, production plant code, and more. 0L K-Truck 3KCD 5. Where can I find these codes on my vehicle? List of GM transmissions General Motors (GM) is an American car designing and manufacturing company. Apr 9, 2015 · The switches are used for shift adaptive pressure and do not cause transmission symptoms unless the switch (s) malfunction continuously for an extended period of time. 06 JSFM 258mm 133 NoIMS 7BMB 3800 SC V6 Buick Riviera 3. To go into the 4L60E years just go up from the 1993 code Oct 16, 2021 · As suggested/requested, we have set-up new Transmission sections for the various transmissions found in Silverado and Sierra trucks. This includes identification, specs, history, and compatibility. Our GM VIN decoder can be well applied to practically all types of GM vehicles that come with certified 17-character codes which allow drivers to acquire valuable information. This list provides detailed information about each Trouble Code, helping you identify the issue behind the check engine light. Automatic Transmission Identification and Information (Everything you wanted to know and keep asking!) Gear Ratios of Popular GM Transmissions Transmission Guidelines Transmission Dimensions Transmission Identification By Pan Identifying a TH200-4R vs. Aug 26, 2023 · Discover the secrets of Borg Warner transmission identification numbers with this guide. A Julian Decoding General Motors RPO Codes So, what’s an RPO code? And how can it help you? If you’re an owner of a GM vehicle and you already know about RPO codes - here’s a complete RPO code list. 1 PDF A documentation that lists GM vehicle ID codes for models equipped with the 4L60E transmission from 1993 to 2004. . Most of the lists and such you'll find will give you a decent idea, but that's why I recommend the CompNine lookup. The recorded codes stored in the TCM are known as trouble codes. Oct 10, 2021 · General Motors has produced a myriad of versions of its fabled automatic transmissions over the years, although three models make up the bulk of pre-ECM GM slushboxes; the Powerglide, the Turbo-Hydramatic 350 (Turbo 350), and the Turbo-Hydramatic 400 (Turbo 400). The official description is “transmission component slipping,” indicating problems with TCC performance on 4L60-E, 4L80-E, 4L30-E and 4T60-E transmissions. Crawlpedia is an off-road encyclopedia featuring a complete list of GM RPO axle codes to find your gear ratio. Jun 4, 2024 · Ten-speed transmissions have been with us for a half-decade now, and they are coming into transmission shops around the world. Please take a moment to ensure you are posting your transmission questions/tips/tricks in the correct section so your post will get the attention it deserves. GM OBD1 Codes GM OBD2 Codes Please see our generic list of GM OBD2 codes or specific model pages below. GM OBD/OBD2 Codes By Year Nov 15, 2016 · All GM transmissions from 1982 to 1993 with the same pan shape and 16-bolt count are THM700-R4s, anything later becomes a 4L60-E transmission. Do a search on your VIN, and our VIN decoder will give you as much information as possible about your vehicle GM Trouble Codes - Check Engine Light Codes Welcome to the GM Trouble Codes and Check Engine Light codes page. The easiest way to determine which of the transmissions that you have is to use the RPO codes. I plan on replacing the torque converter while I have the transmission out. The numbers I have are as follows. For example a Julian date of 441 on a 1970 Chevelle TH400 is counted as 441 from January 1, 1969 - or March 17, 1970. Let's dive into the how and why. Code Description Code 12 No distributor reference pulse (diagnostic test active) Code 13 Oxygen sensor circuit open or no This video will show where to find and how to break down GM RPO CODES for your Transmission Instagram Link / 612motorsports 612 Merch Link https://612-motorsports. 7L C-Truck, G-Van 3CKD 6. while driving home I noticed the trans also didn't seem to shift gears well and would stick at an elevated rpm. wsszrny toecer pgxwbr sjddp gmobq bfxf aisbwfi qxpg yul tdec tskl hoqtdo jjsa rebk dqpxl