Near as we can tell, said blood is pumped through a thing like an ant farm lying on its side past check valves, solenoids, bands, clutches, and maybe even the occasional gear, and somehow rotational forces arise in the middle. Once installed, your vehicle requires a reflash by a GM dealer or shop with the proper software. Moreover, the 4L80E is slightly lighter, and if you are building a race car, its good to know that you can get another one at the scrap yard for $300 if you destroy it. Bigger brother to the 8HP50 found in Jeeps JL and the 8HP45 found in Dodges and Rams with the 3.6L V-6. I have ordered over 6 torque converters from them and the. Whether you order online or by phone each 6L80 is firstverified by your VIN #. But, GM had been in transmission limbo, so to speak, needing a modern transmission to fill the duty gap between the excellently versatile4L60E (and its tougher 4L65 & 4L70 variants)and the Allison transmissions. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. So much so that the 6L80E was soon found in sports cars like the Camaro and the Corvette. A. Always check the appropriate reference material for software updates. Residential (limited access/lift-gate) deliveries are $75total, for the delivery of the new transmission and return of the old core. So, on a hot Arizona day, when you are pulling a 40-foot trailer uphill to the lake, it is common to see temperatures spike as high as 230F! While the 6L80 is generally mechanically compatible with Chevrolet and GM Gen. III+ engines, due to its advanced control strategy, the 6L80 is functionally compatible only with Generation IV GM engines and their matched Engine Control Modules. The most common problem with the 6L80E transmission is a clutch failure. The TCM is actually even programmed to adjust its operation for transmission clutch wear. The available gear ratios created a seamless driving experience for almost every conceivable throttle demand and terrain. As I intend to use a one piece driveshaft I need to replace the bolted yoke with a slip yoke. The 6R60/75/80 automatic transmission provides six forward speeds using these components: a four-element torque converter which houses a multi-disc lockup Even though at their core, they are more similar than different, the existing differences are worth considering if youre looking to gain the most out of your vehicle. A Re-Manufactured 6L80E Transmission For The Price Of A Rebuild. What if its Sold out or I'm in the middle of nowhere? Moreover, without proper tuning and calibration, the 6L80E is bound to fail regardless of engine horsepower. I called them last year about a converter and they jumped on helping me, immediately, even over nighted it to me! WebCDTGoing The Extra Mile to Exceed Your Performance Standards. And while a 17 lbs difference doesnt sound like much, if you are drag racing, it can make a difference. Web6L80E 6-Speed Transmssion The 6L80E has a gear ratio spread of 4.03, 2.36, 1.53, 1.15, .85 and .67. Cookie Policy - And even though the number 80 in both 6L80E and 4L80E represent the same strength rating, the four-speed can handle slightly more power than the six-speed. Transmissions are shipped via truck freight(18-Wheeler) throughFedEx Freight or R&L Carriers. Manage Preferences - Square oil pan. Identification: Alloy case with integral bellhousing, three different castings for the three different engine bolt patterns, 20-inch case length with a 5.71-inch adapter. T-340LRAC Low Reverse Sping Compressor Toyota A340 & RE5R05A. Therefore, an engine hoist or equivalent to remove and install is highly recommended. Depending on your transmission type some external components may need to be transferredover from your original transmission. One such system is TCI's new TCU 2.0 system. Most notable of the improvements was the addition of a one-way clutch that provided smoother 1-2 up-shifts and 2-1 down-shifts. Higher mileage units experience issues with the CIDAS solenoid retaining clips becoming loose (figure 6). It was versatile enough to be later placed with the 2.7L turbocharged engine through the 5.0L V8 applications. PS: The price you see really is the price you pay. It is necessary to replace the valve body when CIDAS solenoids fail. More recently, we enjoyed the 4R55E, AODE, and E4OD family. 545REF: 3:1 First, 1.67:1 Second, 1.50:1 Second Prime, 1:1 Third, 0.75:1 Fourth, 0.67:1 Fifth, 3:1 Reverse. Ratios: 3.59:1 First, 2.19:1 Second, 1.41:1 Third, 1:1 Fourth, 0.83:1 Fifth, 3.2:1 Reverse. Ratios: 4.02:1 First, 2.36:1 Second, 1.53:1 Third, 1.15:1 Fourth, 0.085:1 Fifth, 0.67:1 Sixth, 3.06:1 Reverse. Overall length of 17 inches. Maximum shift speed is 6500 RPM. Web6L80 Crossmembers; Gas Transmissions. Our company is founded on the sole principle of providing the very best andwe will settle for nothing less. | 1900 Glades Rd. Suite 500 Boca Raton, Fl. Edelbrock's own stand-alone trans controller, which uses much of the same circuitry and software developed for its popular ProFlo-4 EFI system. It features a dry weight of ~195 lbs. Copyright 2006-2020 GEARS Magazine. 4L60EThe electronically shifted evolution of the 700R4/4L60. Ratios: 2.46:1 First, 1.46:1 Second, 1:1 Third, 2.18 Reverse. As with earlier Hydramatics, the 6L80 will accept either the 258mm or 300mm torque converters. This torque converter will have excellentstreet manners and only flash high Great option for Daily Driver vehicle looking for a little more stall. The transmission is automatically shifted featuring performance algorithms to minimize upshifts during closed throttle driving to prevent unnecessary shifting. Archive - All applications utilize a one-piece case design. 1.5 out of 5 stars. This is an excellent choice for your2018+ Ford Mustang and F150! You plan on doing any boat towing with it? So, if daily driving is the main purpose of your vehicle, the six-speed will give you the most benefits. Don't forget that the 6L80 is the 1/2ton tranny, and is to replace the 700R4,4L60, 4L65E and 4L70E line of trannys. This transmission makes an excellent conversion transmission due to its adaptability into most Jeeps longer than CJ5s. These transmissions were developed alongside the Gen III/IV GM powerplants that everyone loves these days. With the HGM Sport, your phone or tablet becomes the hand-held screen. This product will also continue Edelbrock's approach of using a wireless android tablet as the input component instead of a hand-held device attached with a cable. Late style stator support shaft with updated seal rings used exclusively in all units to eliminate seal leakage. Skip-shifting is normal and dependent on throttle demand and other load factors. The Best Warranty. Others may be more intrigued with reduced size. standing behind itis where we really like to shine. AODAOD stands for automatic overdrive, and this transmission was introduced in 1980, two years before GM offered an automatic with an overdrive (the TH700R4). Normal operating temperature is a curious subject for discussion for these units. A replacement transmission is sent to you as soon as your warranty claim is submitted. The price you see truly is the price you pay, no smoke and mirrors here folks! 8L90E 8-Speed Transmssion Among the smaller ECUs is MSD's Atomic transmission control module that performs all the requisite functions and employs a handheld device that is easy to navigate. on a transmission or are simply seeking more information we are here to help. Still, regarding reliability, the 4L80E takes the win by a fraction, solely due to ease of repair. It was introduced in late 2005, and Because of the two overdrive gears, the 6L80E can get away with ridiculously low gear ratios, which will improve your cars acceleration noticeably. The 4L80E gets four gears, which used to be enough, considering it came out in 1991. A Completely Remanufactured and improved torque converter is tested for leaks lock-up concentricity and balance. TH400A very buildable transmission sought after by racers and enthusiasts alike for racecars and trail rigs. In addition, the movement of the solenoid causes inaccurate control of the valve, resulting in flared or binding shifts. Look for cases embossed with a "K" on the passenger side of the bell that are supposedly extra-thick and thus strong. As for the 6L80E, its nothing but an evolution of the 4L80E. Wait 1 second. But because of two extra gears, the 6L80E has shorter gear ratios, which contributes to better fuel economy and ride comfort. No, you have 14 days from the date of delivery to schedule your core return. Reproduction in whole or in part without permission is prohibited. WebThe 6L80 (and similar 6L90) is a six-speed automatic transmission built by General Motors at its Willow Run Transmission plant in Ypsilanti, MI. This article will give you an overview of these units, their similarities, and their differences. If the transmission fluid is not at the correct level, follow the steps for adding or removing transmission fluid. Furthermore, the two final gears are overdrives, so you still get to cruise on the highway at low engine speed, thus, increasing your fuel economy. ATRA at Vision Its an Ever-Growing Pie. This converter is based off the original factory convert Let's talk about torque converter clutch drag when using a multi disc torque converter in a 4L80E transmission. While all 10R units use an off-axis pump, the 10R140 has a unique setup for the gear drive. Industry That means the transmission, wiring harness with a control module, torque converter, and cables. However, it is a long transmission and is not compatible with short-wheelbase Jeeps such as the CJ5. 68RFE and 66RFE: 3.23:1 First, 1.83:1 Second, 1.41:1 Third, 1:1 Fourth, 0.81:1 Fifth, 0.62:1 Sixth, 4.44:1 Reverse. See the accompanying list (below) for more information. Our 6L80 is the functional and visualequivalent of a new transmission. To achieve the exact WOT shift point, the driver is forced to shift the trans manually. On the other hand, the 4L80E is a better transmission for drag racing because it can take slightly more power, is lighter, and in case you destroy it, you can buy another one for peanuts. For example, if you take off from a stop under moderate throttle pressure, you may experience a 1-3-5-7-8-9-10 shift sequence. FREE SWAG WITH ANY CONVERTER PURCHASE - ADD TO CART, ** total_quantity ** | ** unit_price ** / ** unit_measure **, GM 300mm Pro Series 6L80 Torque Converter, Dodge 10" HP Series 8HP70 Torque Converter, Torque Converters: Single-Disk vs. Multi-Disk Lockup, Ask Circle D Specialties - Converter Spec Form. The pigtail can be used for all 6L80E and 6L90E transmissions, and the wiring configuration is common. Do Not Sell or Share My Personal Information -. self-installation is coveredunder warranty. The 6L80 / 6L90 uses three-way solenoids and variable bleed solenoids for improved shift quality. 26" AF . Found In: 1964-1990 rear-wheel-drive and 4WD GM vehicles, including BOP cars; also behind Buick and AMC V-8s, in some late 1960s-1979 fullsize Jeeps, and AMC V-8s; 1976-1979 CJs (well, not CJ-5s) as well as behind the Buick-derived V-6 in some Jeepsters. If you install a 6L80E transmission into a new car, it must be reprogrammed. However, older, mechanically controlled transmissions require partial disassembly of the trans to install shift improver kits to modify the hydraulic circuits to increase line pressure. At the end of the day, what we said at the beginning still stands. And with more power to the wheels and better fuel economy, thats understandable. So, for a car or truck, you want to use daily or drive fast outside of professional competition, the 6L80E is the superior transmission. The 6L80 is supposed to be stronger than the 700/4L60 line of trannys, but time will tell. That said, the 6L80E is substantially bigger in diameter, making it impossible to fit into older cars without body modifications. C4The C4 transmission was found in various rear-wheel-drive Ford cars, trucks, SUVs, and vans behind Windsor V-8s and Ford's inline six-cylinder. Wait 2 seconds. This has been by far the most professional experience from a performance company I've ever been with. (, - Vehicle itself will still need to be reflashed by dealer or installer with proper software), Let The Length Of Our Warranty Be A Testament. It was introduced in late 2005, and is very similar in design to the smaller 6L45/6L50, produced at GM Powertrain in Strasbourg, France. Sticking valves and CIDAS solenoid pintels are common concerns. The main difference between 4L80E and 6L80E transmissions is the number of gears. 6l80e driveshaft yoke I recently bought an L99/6l80e from a totaled 2011 Camaro SS. Identification: Alloy case with integrated bellhousing, 23.4 inches in length. The 4L80/85E tranny replacement is the 6L90. (800 Nm), the 10R80 covered a wide range of engine 37x13.50r26, if I had all the money I ever spent on cars..I'd spend it all on cars, The superior man is modest in his speech, but exceeds in his actions. Great performance torque converter for a daily driven car or truck. Oil pan has been described as being Texas-shaped, although we'd say it is more Ohio-shaped, but most people don't know what Ohio looks like. When looking for new/rebuilt transmissions, the 6L80E will be somewhat more expensive. Identification: Aluminum alloy case, 24.37 inches long. Found In: 2009-present Ford, Lincoln, and Mercury rear-wheel-drive and 4WD SUVs and trucks. With an input torque rating of 590 ft-lbs. Found In: 1962-1978 Dodge/Chrysler cars and trucks with rear-wheel or four-wheel drive, the slant-6, or V-8s; some 1980-1991 Jeeps (TF727, aka 36RH and 37RH); 1960-2002 in Dodge/Chrysler/AMC/Jeep cars and trucks with rear-wheel or four-wheel drive, the slant-six, or V-8s (TF904 aka 30RH); 1972-2003 Dodge/Chrysler/AMC/Jeep rear-wheel-drive or 4WD cars, trucks, vans, and SUVs (A998, aka 31RH; and A999, aka 32RH). The 6R80 was available in 2009 and until 2017 Ford F-150 trucks. These transmissions came with three, four, five, and six forward gears. This provides exceptional towing performance when needed, while maximizing fuel economy by offering low engine speeds while cruising. HGM sells an excellent conversion kit called the Acculink that mounts a typical three-pin GM sensor to any Edelbrock, Holley, or Q-jet carburetor. We mentioned that Edelbrock has just introduced its new transmission controller and it would seem plausible that at some point the company will assimilate its EFI and transmission controllers into one package. A 2009 Ford F150 equipped with a 5.4L V8 engine and 6R80 transmission was brought to a shop with the complaint of a transmission leak. Simplicity is certainly a virtue with its own benefits. When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Return shipping is pre-paid. Some early 4L80E transmissions, 1991-1993, have had some minor issues. Yes, this is the OEM specified range, so dont correct it. i guess the main reason i ask is because the gear ratios between ford's 6r80 and gm's 6L80 are so similar it is spooky. MSD and the FiTech's Go Shift are also among the least expensive of the controllers. The 10R series transmission consists of four planetary gear sets, six clutch assemblies, and a valve body assembly. A 4L80E has four gears for driving forward, while a 6L80E has six. to 885 ft. Wife loved it. That gave GM more than enough time to perfect the design and solve all its problems. spec) for the 4L85E . Wait 3-5 minutes before driving to ensure enough time for the coding to be written to the module. Otherwise, the transmission wont function properly, or it will fail soon after. Ratios: 3.06:1 First, 1.63:1 Second, 1:1 Third, 0.70:1 Fourth, 2.90:1 Reverse. Their knowledge is second to none. A. great trans, but im absolutely in love with my allison in my green truck. T-1360LRAC Low / Reverse Press 5R110. The saying, the apple doesnt fall far from the tree applies to these units when it comes to things to be aware of when handling them. 6 Common Reasons, Engine Power Is Reduced on Chevy Equinox: Meaning, Causes, and Fixes, How to Gap Spark Plugs With and Without a Tool, Why Engine Is Hot and AC Turned Off (Causes and Fixes). Besides, in drag racing, you wont have much use of the two overdrive gears making a six-speed transmission inherently obsolete. With six forward gears, the 6L80E became a much better contender to the Europeans. Identification: Alloy housing. GM, Ford, and Chrysler follow similar patterns for creating transmission technology that spans each eras full torque/horsepower spectrum. The best way to differentiate between a TF727 and TF 9xx is via the transmission pan shape. NAG1 (aka W5A580/WA580)When Jeep (Chrysler) and Mercedes danced the dance of a nearly 10-year merger between 1998 and 2007, some Jeeps and other Chrysler rear-wheel-drive cars received this Mercedes-based, five-speed, electronically controlled automatic transmission. I plan to use them in a 1950 Ford woodie wagon with an Art Morrison chassis. The most notable models with the 6L80E are the Escalade, 5.3 Silverado, Cadillac STS-V, XLR-V, Yukon, Camaro, GMC Sierra, Holden Commodore, etc. There is also of course the GM 6L80 which one source quotes at 95kg wet with converter compared with 115kg (? Found In: 1992-2010 Ford Ford, Lincoln, and Mercury rear-wheel-drive and 4WD cars, trucks, and vans. its been 9.11 at 154 no problems so far. Ratios: 2.48:1 First, 1.48:1 Second, 1:1 Third, 2:1 Reverse. Gears Magazine We do not charge a core deposit. The customer said the leak was intermittent; sometimes the vehicle would go for weeks without leaking, and sometimes it would leak out a puddle more than a foot in diameter in a short period of time. The main difference between 4L80E and 6L80E transmissions is the number of gears. So we went and test drove a brand new 08 Burban today. Remanufactured means the transmission is built from scratch with improved parts. Q. Be aware of your output shaft version before proceeding with any adaptation. AODE/4R70WThe AODE is an electronically shifted evolution of the AOD transmission introduced in 1991. https://www.novak-adapt.com/knowledge/transmissions/automatic/6l80 Shift the transmission to Neutral. Again, considering how its been in production, you can much more easily find a 4L80E in a scrap yard that you can buy for peanuts. Now, the high-speed CAN network allows a high rate of data sharing between the units to achieve a collaboration between both engine and transmission functions. However, the aftermarket has a solution in the works! Powertrain management programming allowed the engine to be fuel efficient while simultaneously keeping a full-power acceleration ready on command. That not only makes the 4L80E cheap to repair, with parts and labor being reasonably cheap, but poor repair jobs are one less thing to worry about. Excellent craftsmanship. Enhanced torque management programming allows this unit to effortlessly handle up to 1,050 ft-lbs of torque. All previous GM automatic transmissions were virtually all based on hydraulic controls, and received increasing electrical elements as they modernized. The model year 2020 ushered in the 10R140. Ratios: 2.52:1 First, 1.52:1 Second, 1:1 Third, 1.93 Reverse. Identification: Alloy housing, similar to whatever transmission the transmission you are looking at is based on. Identification: Alloy three-piece case with bellhousing, main case, and tailhousing. The most noticeable change over the 10R80 application is the front end of the unit. It features torque converter lockup capabilities in all 6 gears and an integrated "Tow/Haul" mode for enhanced engine braking and towing performance. LT). The Relentless Devotion To Providing The Absolute Best. Automatic transmissions are perceived by many to be lubricated with unicorn blood and filled with mystery. Can Bad Spark Plugs Cause Transmission Problems? Ratios: 2.48:1 First, 1.48:1 Second, 1:1 Third, 0.75:1 Fourth, 2.07:1 Reverse. But because of two extra gears, the 6L80E has shorter gear ratios, which contributes to better fuel economy and ride comfort. Ratios: 2.84:1 First, 1.55:1 Second, 1:1 Third, 0.70:1 Fourth, 2.23:1 Reverse. This procedure must be performed if the transmission was rebuilt or replaced, the TCM was replaced or reprogrammed, major engine work was performed, or air/fuel management adaptive values were reset. At the end of the day it's still hard to believe that thousands of pounds of metal, fuel, and human bodies could soar through the sky, but they do, and with great regularity. For example, both PCS and TCI offer multiple systems, so we chose to include only one of each. The 6L80 was approved for use in these vehicles weighing up to 8600 lbs. If your desire is to put a current-tech 8- or 10-speed automatic transmission in There are also two other PCS controllers that are not listed on this chart. We understand you may be hesitant to order a transmission online or by phone, which is why we urge our customers to read our reviews. Overinflated Tire by 5 Psi: What Will Happen? product is always awesome and the customer service is the absolute best!! Depending on whether the unit is equipped with a PTO, the pump drive gear setup will differ (Figures 3 and 4). These are crude devices and often wide-open throttle (WOT) shift points are less than precise. Ratios: A500 (aka 40RH, 42RH, 40RE, 42RE, 44RE): 2.74:1 First, 1.54:1 Second, 1:1 Third, 0.69:1 Fourth, 2.21:1 Reverse. Speaking of system options, while researching the MicroSquirt trans controller, we noticed that when that controller is joined with MegaSquirt EFI there is software that can execute a shift retard feature where ignition timing can be retarded to reduce power during the execution of the shift. However, the whole process isnt as easy as simply pulling the computer out. Each 6L80E Is Engineered To Exceed OEM Specification. Therefore, the noise is a normal condition and does not affect the units durability. Having one of the industries longest warranties is great, however. 10r80 seems to be really stout. We then provide you with adirect replacement match. Depending on your transmission type some external components may need to be transferredover from your original transmission. Our transmission shop specializes in rear wheel drive Ford & GM high performance transmissions. 2016 DenaliHD . The V-8 transmission can be adapted to the Ford Windsor small-block pattern. The normal operating temperature range for the 10R applications is 195F to 215F (90C to 101C). A similar scenario may occur on deceleration. Can the transmission be sent to my home? Identification: Alloy housing with removable converter housing, round 13-way connector near the front corner of the transmission oil pan, on the right side. How much power each of the two transmissions can take is what will be the defining factor for a good number of people. However, we do need your old core back. You will enjoy the extra gearing. Even though the 6L80E is slightly more expensive and more difficult to calibrate and install into older chassis, everyone who has done it says he has no regrets. While a $400 difference doesnt sound like much, if you want a bargain, the 4L80E is a much better option. After all, it is a transmission family affair! Found In: 1999-2014 Jeep/Dodge/Ram/Chrysler rear-wheel-drive and 4WD SUVs and trucks. Newer to the transmission world is its use of direct clutch-to-clutch shifting and the total lack of bands. TF904 (aka 30RH), A998 (aka 31RH), and A999 (aka 32RH): 2.7:1 First, 1.54:1 Second, 1:1 Third, 2.2:1 Reverse. Will drive 99% stock under light throttle. There are a several units such as the US Shift Quick 2 and 4 and others that do not require a laptop but can be accessed with a laptop. The transmission has a relatively low 1st gear and two overdrive gears, the highest of which is 0.69:1. This provides exceptional towing performance when needed, while maximizing fuel economy by offering low engine speeds while cruising. The 6R80 can be found behind the 3.7L V6 all the way up to the 6.2L V8. Years: 2005, 2006, 2007, 2008, 2009, 2010,2011. A. We have a similar scenario with the 10R60, 10R80, and 10R140 units. Ive heard the New, revised bushings improve internal fluid flow control and pressures. or gross weight of 14,000 lbs. Grade braking and clutch line pressure (for greater holding power) are additionally great features that are activated by Tow / Haul mode on the truck platforms. Still, with daily driving, nobody will notice the extra 17 lbs, again, making the 6L80E a better choice in that case. A. It was versatile enough to be later placed with the 2.7L turbocharged engine through the 5.0L V8 applications. T-6800AC Snap Ring Pliers 6L40, 6L50, 6L80, 6L90. A. Identification: Alloy case with integrated bellhousing with a case length of 26 1/4 inches. IT STARTED WITH THE 10R80 In 2017, Ford used the 10R80 paired with the 3.5L Ecoboost V6 in their best-selling truck, the F-150. Generally speaking, all high-end GM vehicles from 2006 onwards came with the 6L80E until the eight-speed transmission came out. In mostcases, you will still receive the transmission within 7 business days. Sai li Fuel The Adaptive Learning Drive Cycle is performed on a level road as follows: After the final step, place the vehicle in park and cycle the ignition key off. WebAdvance Adapters Ford to Chevy Transmission Bellhousing Adapters 712588-A Transmission Adapter, Aluminum, GM 700R4, TH350, TH400 Transmission to Ford, 289, 302, Kit. lbs., with a respectable GVW of 15,000 lbs. Found In: 1987-2001 Jeep Cherokee with the 4.0L; 1993-1993.5 Jeep Grand Cherokee with the 4.0L; 1987-1992 Comanche with the 2.5L and 4.0L. 8HP70-8HP90Great for use in front of swapped-in diesels like the Cummins R2.8 or the 3.0L Ecodiesel, or for Hemis is a Ram/Chrysler/Jeep eight-speed. The 6L80 began manufacture in 2005 for release in 2006 model year GM vehicles, persisting until at least 2016 in both 6L80 and 6L90 versions. Free Shipping. Square oil pan with one corner cut off. Yes, it can. Intermittent Fail Safe, Codes, Related Concerns and Solutions, The ZF 8-Speed Transmission Fluid and Filter Change, Tackling Clutch Failure in the GM 6L80/90. Found In: 2013-present Ram EcoDiesels, ProMasters, and Grand Cherokees (behind VM Motori and Fiat 3.0L Diesels); 2013-present Ram 1500s, 2500s, and 3500s, Dodge Durangos Chargers, and Challengers, Jeep Grand Cherokees with the 5.7 and 6.2 Hemis. The 4L80E is a heavy-duty transmission designed primarily for pickup trucks, commercial vans, and large SUVs, so towing doesnt present a problem for it. If your desire is to put a current-tech 8- or 10-speed automatic transmission in your car, you have fewer options. With modern transmissions, line pressure can be adjusted through the electronic controller to increase shift firmness to the user's preference over the entire range of transmission operation. Like earlier automatics, the 6L80 features one line pressure tap available for testing and diagnostic purposes. It can also be controlled under DSC, or Driver Shift Control, e.g., "tap shifting". This is both a return to and a departure from previous automotive control systems in the industry in that earlier electronic transmissions used a separate control module, later to be integrated into the Engine Control Modules which were thus termed Powertrain Control Modules.