It contains modules that allow you to control engine parameters in realtime as well as perform advanced datalogging tasks and uploaddownload the. Pcm programmingengine management welcome it the forum. Gen iv ecmtcm mounting bracket e40, e38, e67 lt1lt4 pcm with programming 19941995 view. To reprogram most gm obd1 chips, you will require appropriate tuning. Download ecu manager at the bottom of this page and install. This could result in only running on 4 cylinders if you have done a mechanical delete. As someone who likes to to my research before i jump into something, the repair of bricked lt1 pcms was a topic that was rather light on detailed instructions. Lt1 pcm tuning for dummies at a minimum, this article should give you the knowledge to understand what a tuner is modifying in your pcm to give you that max power you are looking for. There are basically 3 things you need to record diagnostic data from a gm based on board diagnostic 1 obd1 system on your 1982 1995 era car. I read the other articles as well but stopped because my eyes were getting glazed over. Get some free software to make sure everything is running correctly and to. Speartech also provides ls and lt ecm programming including e38, e67, e40, e92, ls engine wiring harness reworks and conversion, adapters, and programming harnesses. Obd1 usb cable used to re flash car re flashing obd1 19941995 lt1 pcm. Com port selection when the usbaldl interface cable drivers are installed, start the tuner program again, click on the.
We sell calibration files to several shops all over the world. Trifecta presents a complete powertrain power delivery profile calibration for the 6th generation my20162018 chevrolet camaro ss 6. Ability to read, modify and reprogram most 19962007 gm powertrain control modules pcm. Then go back an read the pcm again to properly load you calibration into the tuner program. Most applications tend to run in the full emissions category. Vortec engine pcm with programming greenblue p59 242 view. Lastly, for 19942003 flashbased pcms, i can loan you a kit to load my tunes yourself as well as datalog your vehicle while driving, so that i can tune it completely through email, for one week. Lt1lt4 pcm with programming 19941995 lsvortec engine pcm with programming redblue 411 p01 view. Once the software folks get this info that you provide they make a corresponding copy of the edit program that can only be used with that ecm. For those of you using the 94 and later lt1 engines with the flashable pcms, you will only require software from tunercat or lt1edit as well as an interface cable. You can download the installation programs for the updates from the. Vehicles supported include 199397 lt1 and all 199620 trucks, camaro, firebird, corvette. The otc j2534 reprogramming tool is packed with the most significant features desired by our oem customers. Most times they go out the same day gm can ecm repairs may take up to 5 business days.
Download ecm reprogramming data into consultii from asist 1. Since chevrolet is a subsidiary of general motors gm, gm tools and software are used to reprogram a chevrolet pcm. The computer at view fills the application years from 199699 ck vortec engines 4. This programming is for any 1994 or 1995 lt1 engine, applicable service numbers will be located on the pcm and end in either 051 or 333 available in caprice, roadmaster, cadillac.
Gm 20072014 fuel system control module fscm programming. The interface module, aldl cable, usb cable, software cd, and an installation sheet. How to reflash ecm ecu lt1 pcm re flash re program. Its intended both for beginners and advanced users, and focuses mainly on tuning. The program uses your pcs serial port to communicate with the pcm over the vehicles aldl port. We are dedicated to tuning your vehicles engine computer to attain maximum performance and the best drivability possible while keeping the powertrain reliable. This website is dedicated to helping you learn how to tune your own lt1 car computer pcm, using the popular and inexpensive tunercat software as the model. Vehicle reprogramming tools are becoming an essential auto diagnostic tool in automotive repair shops. Since ecu tuning is a big problem for most people, you can use car ecu programmer to repair the engine. Obd2 switch assembly passthrough harness ecu harnesses connect to the obd2 switch assembly through a short passthrough harness. Feb 26, 2016 obd1 usb cable used to re flash car re flashing obd1 19941995 lt1 pcm. Best lt1 pcm tuner in bay area chevy impala ss forum. Eehack is a free program designed to do interesting things with the datastream of your 19941995 gm lt1 engine. Automotive performance tuning services ecu and pcm.
They are primarily tuned by reflash using the aldl protocol over the diagnostic port, not by programming and replacing chips. In order to receive 1 copy you must send them a download of your ecm. The previous lt1 pcm calibration is used only as a reference while a starter calibration file is creatd for the ls1 pcm using efilive tuning software. This software is easy to use and designed to configure your decs ecu with features as monitoring, logging and trending. This includes removal of antitheft or vats, changes to fan on and off temps, injector part number, segment swaps for 4l60e to 4l80e conversions. First, all of my tuning experience is with a 96 obdii lt1 car using lt1 edit.
Install the ecm reprogramming software card orange into slot a of consultii see figure 1. For those of you using the 94 and later lt1 engines with the flashable pcms, you will only require software from. Over the next few weeks id like to help that by posting a series of articles and pictures along with links to the items one would need to purchase to recreate what i have done. You can keep old obd2 pcm to put back in in case you need to pass emissions someday in the future. Programming the pcm once you are finished tuning you need to load your modified calibration into the cars pcm by programming the pcm with the modified calibration. Hp tuners is powerful hardware, and its amazing how. The 9495 f and y bodies are a dramatically different breed of pcm compared to earlier models used by gm. Hp tuners 101 beginners guide gm ecm tuning overview. Pcm reprogramming services pcm programming service for your engine. We are dedicated to tuning your vehicles engine computer to attain maximum performance and the best drivability possible while keeping the.
The obd1 tuner program is a general purpose ecm calibration editor that allows you to make a wide variety of calibration changes to your vehicles obd1 ecmpcm from an easytouse windows arrangement. With the car ecu programmer, you can read and program the whole ecu content of eprom file. There is a caprice 94 year, lit airbag, that would check, need a scanner, who will advise a scanner for caprice 94 year with obd1 to read engine abs airbag and etc. You can reprogram your cars pcm as many times as you like, with whatever settings you choose. Gm body control module bcm programming harness efi. Speartech also provides ls and lt ecm programming including e38, e67, e40, e92, ls engine wiring harness reworks and conversion, adapters, and programming. For example, the pcm controls the engine, the transmission, the fuel system, and the speedometer. Flash utility program is developed to read and program the flash memory in the 9495 lt1 pcms. Carputing ecm editing software gm hightech performance. By the end of the series i hope to create a living. Pcm and ecm services most pcm services will be performed within 24 hours. Only a few software applications are available that allow reading, viewing, and changing a gen iii pcm calibration. Lt1 pcm tuning obdiobdii pcm tuningprogramming service. Lt1 lt4 pcm with programming 19941995 lsvortec engine pcm with programming redblue 411 p01 view.
I have a question of this plan, perhaps there are many such questions on the forum, but i am not a local. The kit includes everything needed to read and program the obdii pcms so your customer can program his pcm with your calibration files without the need to ship pcms back and forth for reprogramming. This starter calibration file allows the engine to run well enough to begin the custom tuning process while the car is run on the dyno. This includes programming for any stock engine application listed above. This programming is for any 1994 or 1995 lt1 engine, applicable service numbers will be located on the pcm and end in either 051 or 333 available in caprice, roadmaster, cadillac, camaro. Then we go through all the windows of the vcm editor software, showing you all the options and parameters you can change in your vehicles ecm. Gen iv ecmtcm mounting bracket e40, e38, e67 lt1 lt4 pcm with programming 19941995 view. Mar 01, 2006 here is what youll get from carputing. Gm 20072014 fuel system control module fscm programming harness. Ls1 pcms function very similarly although some of the variables and tables in lt1 edit work differently or are measured differently. Technicians often come across oem technical service bulletins that require them to reprogram the vehicle with the latest oem calibration files in order to diagnose and repair car problems such as check engine light, gas mileage, false dtcs, shifting, hesitation, rough idle, emissions quality.
Pcm reprogramming services pcm programming service for your engine swap project or stock vehicle. Standard and custom oem protocols and pinselections. Gm 20072014 fuel system control module fscm programming harness for 0714 4. It addresses the common use cases for a vehicle communication interface providing the following key. Gm sometimes has new software for your vehicle, including some recalls for emissions. Obdii vehicles are not currently supported by every editor. I am not familiar with other software or other engine management systems. Step 1 use your web browser to go to gms calibration lookup website, and type in your vehicles vin number to check for any programming updates to your pcm.
If the vehicle isnt performing the way it should, the pcm can. Since the prom thats hardwired into the lt1 pcm is electronically erasable, all reprogramming operations can be accomplished by connecting a pc. It requires you to purchase your own tuning kit aldl cableconverter box, chip burner and chip for chipbased ecms, tuning software, and datalogging software, in order to let me tune for you through email. We offer ls and lt swap conversion harnesses for all ls lt engines including ls1, ls2, ls3, ls6, ls7, lsa, ls9, lq4, lq6, l99, gen 5 v8, lt1, lt4, vortec l83 l86 variants. This programming is for any 1994 or 1995 lt1 engine, applicable service numbers will be located on the pcm and end in either 051 or 333. Learn the basics of tuning your own tbitpi lt1 ls1 pcm, including timing, fuel curves and more. The speed calibration function for the lt1 cars has been improved and now includes the speed error. Holden 2 honda setups 1 hardware installation guide return to moates webstore. Pcm reprogramming services i will reprogram pcm, ecm, tcms for engine swap applications. Mm6 manual transmission and available 8speed 8l90 rpo. The tuners view into the pcm calibration is through a software application that presents the calibration data as tables and parameters. Modified fuel, spark tables and timing compensation at all areas of throttle angle.
The laptop connection is usb type, which results in faster pcm reading. Pcm model year gmpartno engine bf 19941995 16188051 5. Oct 06, 2017 then we go through all the windows of the vcm editor software, showing you all the options and parameters you can change in your vehicles ecm. The powertrain control module pcm in your vehicle is the main computer controlling its various operating systems. The programs available provide smoother shift or harsh depending on the request. If you take your vehicle in for a recall that involves reprogramming the ecm, they will overwrite the afm delete programming i do. Whats the cheapest programmersoftware ls1lt1 forum.
Speedometer recalibration for different gear ratios or vats disabled. Gm computer reprogramming ecm tuning gm programming. The 1993 camaro corvette lt1 pcm 16159278 is an oddball. Most of the time they go out within 48 hours gm class ii bricked pcm. And, after all, a better understanding of how stuffworks is half the reason we enjoy these cars so much in the first place. Ecu manager is a free toolset for decs engine control units.