Ecm vats


MAF Freq Patch: In some stock E40 operating systems, a bug causes the MAF to read zero above 11500 Hz, set to patched to fix this issue. The GM dealer immediately quoted me $1,200! first introduced VATS in 1985 on the Chevrolet Corvette, and after proving successful, was the Start enable relay, and send a "Fuel Enable" signal to the ECM. 0 If you have a full running Camaro firebird or Trans Am silverado or sierra do The VATS alarm or Immobilizer will prevent the engine from starting unless it is disabled. inj open time is 0. This bypass module generates the 'key OK' signal normally sent from the BCM, sometimes called the VATS decoder, to the PCM/ECM when the proper key is detected. Because of this kit I was able to determine the vats code and order a key to be cut. programming options. Allante, 1991-93, VATS Kit · Doc 1049, VATS, GM. Where Is The Vats Signal Wire Pin On A 7-7730 Ecm On A 1991 Camaro Z28? - Answered by a verified Chevy Mechanic VATS SYSTEM The key (pardon the pun) to the system is the special ignition key that contains the resistor pellet, this pellet connects to the VATS module which allows it to: 1. A quick disconnect connector upgrade is available, so that the module can be easily remove to re-enable the factory anti-theft system and protect your car over night or at the car show. The 1986-1989 TPI cars used a MAF system ('165 series ECM), while the 1990-1992 TPI cars used a MAP system ('730 series ECM). However, if the body control module is bad, the ECM will not get the pulse it 1992 corvette no comunication between modules replaced ccm with rebuilt ecm checked out good replaced key and ignition but i cant get a vats signal so i can get the key chip. There is a $25. I bought one of the high dollar modules that is supposed to "cure all passlock problems". Every Chevrolet truck has an engine control module that manages the electronic components of the engine and monitors sensors for errors. Once you get the security key for the ECM you will be able to read and program this ECM as many times as needed. It is also sometimes called VATS (Vehicle Anti-Theft System). I asked for the VATS and any of those other security The best prices on Pcm Ecm Vats Egr! Shop a wide variety of pcm ecm vats egr available for sale now on the internet. Corvette GTO - $69. Which might make the key activate the starter, but wouldn't I still have the same problem with fuel shutoff? If I am understanding things correctly, in order to completely bypass VATS I would need a re-programmed chip for the ECM that doesn't require VATS signal. Both vehicles use PN 16159278 ECM. Signal the ECM. There are a few different ways you can write to the VCM. attached is log trying to start it and the file. 3 5. ECM. Factory ECM would not provide ground to the injectors. Without this signal, the fuel injectors will shut down within the first 3 seconds. All standalone LS and LT swaps will have to have the PCM/ECM tuned to remove VATS and all other non-used items that are programmed in from the factory. Later versions include PassKeyII, PassKeyIII and PassLock (which uses no resistor "pellet"). My ignition resistor is fine. all it would do on your 1995+ is let you drive it till you decide to get a new ride or fix the security system. Ashu has 4 jobs listed on their profile. Re: vz v6 e55 ecm vats reset by Antwon » Mon Jul 18, 2016 10:15 am Most likely as they also flash the updates for the first lot of the ve's to stop them flattening the battery at random times. The VATS bypass module uses a simple three-wire interface (power, ground, signal). We support almost every LSx, 4. After 1987 some calibrators incorporate a vehicle anti theft system (VATS). Passkey – The Passkey system has a separate module called the Theft Deterrent Module (TDM) that validates the resistive chip in the ignition key. Nothing shows to let thieves know your VATS have been bypassed. 3 ECM PCM Engine Control Module I applied the Vats patch and powered the starter relay trigger as the ECM does - no start, code P0615. Without a signal response from the VATS module, the ECM will not allow fuel injection or starter operation. VATS stands for Vehicle Anti-Theft System. 7L GMT 355, Alloytec V6’s from 1998-2004, etc. 8L, 2. If your PCM/ECM (your engine computer) has a pin labled VATS, fuel enable or Circuit 229 then yours is a PASSkeyII type system - Our bypass module WILL work for you. The computer chips between computers will not interchange, although they may look similar. The 1986-89 ECM contains a 128K EPROM, 90-92 ECM's use a 256K EPROM. com your one-stop shop for Plug and Play ECM / ECU / PCM Electronic Controllers, Engine Computer Controllers, Transmission & Body Controllers offering a full line of services including a Ecu Repair Division, a rebuilt Exchange Service and a Programming Division that provides authorized OEM Factory Programming, Performance Programming & Custom Tuning The ECM is an important part of this equation as well. news · catalogue · artists · concerts · about · search . Vehicles supported include 1993-97 LT1 and all 1996-2013 Trucks, Camaro, Firebird, Corvette. This is a video on how to remove the GM Vehicle Anti-Theft System in your PCM for a LS1 LS2 LS3 LQ8 LM7 5. `90-92 TPI (Speed Density): Black 24-way connector, cavity A5 Option 2: Install the VATS Passkey Bypass directly at ECM Alternative ECM direct wiring: If the enclosure of your NEWROCKIES PRO Module is green and blue, please setup the switches as following (if enclosure is black, please submit a request to our support team for correct switch configurations): Fire up your scan tool, connect to the ECM, activate DVT select "Learn Now" under "VATs Relearn". Its not as simple as tricking the ecm with one of the old bypass Gun Finishes Done Right. 2L rated at 426 horsepower and 420 ft-lbs of torque from the factory. The ECM that came in 1986-1989 TPI Fbody's and Vettes is a series 1227165 (165). Do you own a vehicle that has been tuned and the PCM/ECM has failed? We will repair your PCM or ECM. 2 from escalade in off road car with 08 silverado 2500hd 6L e38 ecu and pedal (dbw tb is oe escalade but same part as silverado) and it won't start. The other end of the yellow wire that goes back to the switch tape up so it don’t spark against any metal. Disabling EGR, A. 2. This was a life saver! I lost the key to my 96 corvette, and the guy that I called to rekey the car said he couldn't find the vats code. Plug yours in and bolt it back up. contact us; facebook; twitter; youtube; instagram; newsletter · distributors · sitemap · terms · faq. It would not start at all. They have been tested on a run stand after programming. (Available for projects not requiring emissions) Lowering the cooling fan turn on temperature. POWER TUNE = spark timing and fuel remapped for more hp/torque. Welcome to www,autocomputerperformance. the vats, passkeyII the only communication is from the passkeyII box to the ecm, in way of a signal that is timed at 5 seconds, for the ecm to turn on the injectors. Brougham, 1990- 96, VATS  If the correct resistance is read, the VATS Module, through a relay, will allow the starter to crank the engine and also send a signal to the ECM to allow the  Feb 13, 2015 GM Gen III LS PCM/ECM: Tuning Software and Equipment includes with a signal to satisfy the VATS requirement and allow fuel delivery. Any GM PCM/ECM made from 1986 to 2002 could be a PASSkey type VATS system, which our bypass module would work on. Fuel pressure is constant at all times. GM Part Number 12200411. We repair GM Class II PCM and CAN ECM's. This page contains the ecm connector identification and the terminal pin id's. After I sent out the ECM to be reprogrammed to remove passlock, it never not started again. If you would like to remove the often failing Passlock/VATS system from your ECM, please use this listing. YOU CAN'T DO THAT IF YOU HAD YOUR VATS PROGRAMMED OUT OF YOUR PCM/ECM. 7 or 6. This new tuner will get you to your local tuner to get the tune you need to to keep your classic C10 running smooth. Operating System Enhancements With Real Time Tuning (RTT) Our VATS bypass will also work to bypass failing VATS systems. Read more about C4 Diagnostic Trouble Codes at CC Tech. Without the ability to flash program, you are forced to rely on your supplier for inventory. Buy Timers. Still did it. All 1994 LT-l’s use a new design MAF sensor and new underhood ECM that is programmable only by the factory. Do-it-yourself ECM/PCM Reprogramming (OBDI & II) If you decide to get into programming for yourself, there are a few questions you need to ask yourself. Remove PATS, VATS and Passlock. II VATS (Vehicle Anti Theft System) into a vehicle missing the BCM (Body Control Module), or for remote start system. won't start because ecm won't give fuel. My question, is it possible that the VATS has somehow reactivated When using the Camaro, Fire bird or Caprice electronic control module (ECM), the original Vehicle Anti Theft (VATS) will need to be disabled by reprogramming the EPROM. 9L, 3. Mail-in VATS Delete Service for GM E40 Computer***Fast turnaround!*** This auction is for a VATS delete service to be performed on your GM E40 computer. Wideband O2 datalogging TPI EPROMS. Give us a light the says security fail. See the complete profile on LinkedIn and discover Ashu’s connections and jobs at similar companies. The PROMS that have it enabled can be reprogrammed to disable VATS. We provide a no emissions Speed Density version for the off-roader. Does my ECM / PCM have to be reprogram after replacing with new one? If you were to get an ECM (engine control module) from the dealership, the dealership will HHHey the vats went out on my 1992 camaro rs 305 v8,tbi,i tried everything ,nothing worked ,i went to a junk yard and got a used ecm from a 1991 non-vats caprice,,pluged it in ,,no more vats Camaro and Firebird LS Swap: Wiring Guide November 15, 2016 by LS Engine DiY As with other LS components, a massive number of computercontrol, harness, and electronic equipment options exist for this popular engine platform. The ecm was ordered through the mail. 00 administrative fee for these security keys. This LS3 Swap Kit features a swap ready turnkey engine out of a Corvette, Camaro, and others. So – no matter the make and model of your GM car or the type of security system, the output signal remained the same. 2L GMT 360, 2. I had a Chevy truck that the antitheft would activate after it had rained. Be sure to read the article on VATS (Vehicle Anti-Theft System), as some PROMS will need to have this removed before being used on retrofit applications. This is a Delphi service # 12200411 Powertrain Control Module (PCM) that is used in many drive by cable Gen 3 LS engine swaps. No relearn is required on a VATS equipped vehicle when replacing the PCM. The ECM will not fire the injectors until it receives the proper signal from the VATS module. I have a 1992 Corvette LT1. Shift firmness can be altered, spark and fuel tables are also tweaked. Disable VATS Change RPM or speed limiters. some of that. If you're looking to upgrading a '85 TPI ECM to a later MAF system, look here. GET STARTED. CHEVYTHUNDER. The engine came on a crate and is new. Feature: VATS is enabled and you will not be able to fire up the LS. The programmer had the option to turn it off or turn it on. 2004 383 stroker and Roadrace prep 2004-2005 427 SBC buildup . I had to do that 10 minute test three times so it could jive with the ECM. I replaced it and it fires up very healthy sounding, but then it shuts off 2 seconds after. , evap system, post-cat oxygen sensors on OBD II systems and other emissions equipment for a clean looking installation. Started it up today and got a flashing “SYS” It would flask go off and the battery voltage would show. F body pan, corvette brackets pulleys etc. Without the ability to flash, carrying high-moving ECM part numbers is not an option unless you want to tell the customer to go to the dealer for programming. Q: Do I have to have my PCM/ECM tuned to use a standalone harness? A: Yes. Unless these procedures are correctly performed the vehicle will not start after the PCM has been replaced. This LS3 Swap Kit features a swap ready turnkey engine out of a Corvette, Camaro, G8 GXP, and others. I was looking through the junkyard and found a Key in the ignition of a 94 Camaro, the VATS module was still in place, so I ended up using that instead of my 555 circuit. Shop GM VATS PASSkey II Bypass Module for LS1 and LT1 Painless: Anti-Theft - Amazon. VATS module is randomly given a # (value) from the manufacturer. ECONOMY TUNE = improved mpg (up to +5MPG HWY for some applications) Premium or regular octane programming. Is it possible that the ECM has just gone bad? On my '89 Camaro, that version of VATS disabled both spark and fuel injection as well as the fuel pump relay. On occasion, your Camaro's VATS system may not recognize your key's code, leaving you stranded. They are: Write Calibration Only under the "Flash" menu or by clicking the red colored "Write Calibration Only" icon on the toolbar. Turnaround time is usually same or next day. With this new system you will have to obtain a security key from us the first time you work on an ECM. Writing the VCM. Our systems can be set to fail on, meaning that it knows the time and year in the ECM unit so why not "FAIL ON" when it goes bad, why off. The following info is geared more toward 93-97 models of LT1 vintage. 5L, 3. Understanding GM VATS (PassKey) This system seems to cause much confusion, stress, and misery. The VATS bypass module is intended for use when installing a GM engine the signal normally sent from the BCM to the PCM/ECM when the proper key is  VATS basically consistes of the key (specifically a resistor in the key), the ECM, and a separate VATS module. I have experienced VATS activated before on my '99 Jimmy, but the engine would actually run about 2-3 seconds after releasing the starter. Below is the pinouts for the ecm #'s 1226870 (1985 only) and 1227165 (1986-89) Make note that the 1985 ecm/harness is NOT interchangeable with the 1986-89 ecm/harness. After testing the  The VATS should be enabling the injectors until its running. The fuel pump is receiving power the whole time. When using the service number 1227747 ECM for truck applications, the VATS is already deleted. This includes removal of Anti-Theft or VATS, changes to fan on and off temps, injector part number, segment swaps for 4L60e to 4L80e conversions. According to what I found, the special 5vdc 30Hz signal is to allow the ECM to fire  Type, Factory Chip Manufacturer, Databus Interface. harnesses operate both engine designs with a Camaro No-VATS memcal (using one knock sensor only). Send in your ECM and we will disable it permanently. Most tunes leave the other parameters stock. The only exception would be between the 1227730 and 1227727 Speed Density ECMs. Change fan turn-on temp settings Our VATS bypass will also work to bypass failing VATS systems. Until more information is available, they can only be transplanted to other vehicles using 93 electronics. the previous owner installed a resistor in line to defeat the key resistor because of problems that he had in the past. Mar 9, 2019 Product Description. If you did everything right it should start. Hopefully, this will help elevate. Menu. $129. If you would like to know if VATS is going to be a problem for your TPI install, the following will be helpful. but car will jump and run on eather fuel pressure about 45 to 50 psi at shrader valve all my gadges seem to be working horn and blinkers and lights all work should i do 5. 2006 mods 2007 mods 2008 mods 2009 mods 2010 mods Obviously the intent was to disable VATS, but does the "enable" mean the patch is enabled which disables VATS or does the enable enable VATS which to me would be disabling VATS. •Deleting VATS •Adjusting cooling fan on/off time, gear ratio and tire size •Calibrating shift points and torque converter lock up characteristics •Deleting emissions for an off-road or non-emissiosn compliant vehicle – ie o2 sensors, EGR, air pump, catalyst, etc. It is a LS3 6. I have a 1995 Corvette and is rarely driven. I simply left the Chevy starter relay in place and powered the starter solinoid from the Jeep starter relay and it starts every time. With the correct resistor in the key (or wired into  Without a signal response from the VATS module, the ECM will not allow fuel the system are the ignition key with resistor pellet and the VATS decoder module. The standard base startup tune is VATS / EVAP / Rear O2 / Tank Purge removal. :D If for some reason that doesn't work, and you need to go through the long relearn process and can flash your ECM, go to G0302, change it from 600 seconds (10 minutes) to 10 seconds, so it'll be:Turn ignition on The 1994-1996 LT1/LT4 computer can be catered to the needs of even the most extreme auto racer. When the proper mechanical keys, along with the proper VATS chip (resistor value) turns the ignition lock, the VATS module reads the chip on the key . I. First attempt to start it went great, and I've had no problems since. 8 liter 58X engine, ls2 intake and TBody. It is commonly referred to as PassKey. VATS SYSTEM The key (pardon the pun) to the system is the special ignition key that contains the resistor pellet, this pellet connects to the VATS module which allows it to: 1. Lets call Tyler and get his 2002 Chevy 1500 5. remove vats (vehicle anti theft) remove rpm limiter remove speed limiter remove all emissions related items . lt1 pcm only - disable mass air flow sensor. Remove the negative on Tylers truck, remove his ECM/ECU which is under the hood behind the driver headlight/core support. the chip in the VATS ANTI-THEFT DELETE PCM Service for Most 05-06 GM E40 Computers. The VATS bypass module generates the ‘key ok’ signal normally sent from the BCM to the PCM (Powertrain Control Module) or ECM (Engine Control Module). remove my security with hp tuners - Tuning Forum. com FREE DELIVERY possible on eligible purchases Find Painless Performance VATS Computer Chips 64024 and get Free Shipping on Orders Over $99 at Summit Racing! Painless VATS computer chips allow you to bypass the factory programming, making the wiring in your engine swap a snap. VATS is not Order this Painless Performance ECM with LS1 GM Camaro Tune and VATS Removed for your 1960-1987 Chevrolet C10 today from CJ Pony Parts. View Ashu Vats' profile on LinkedIn, the world's largest professional community. there are no codes. I am inclined to believe the replacement ECM I was sent has VATS programmed into it, but the 1994 Grand AM is not equipped Need Help LT1 Cranks but will not start On TPI it's the distributor that gives the signal to the ECM. The VATS bypass module is intended for use when installing a GM engine equipped with PASSkeyII type VATS (Vehicle Anti-Theft System) into a vehicle missing the BCM (Body Control Module). THIS WILL REQUIRE A TUNE! NOT PLUG AND PLAY ! Disabling the anti-theft (VATS). I jumped around the fuel pump relay but was dead in the water due to the ECM inhibiting both spark and fuel injection. the starter does not ingadge injectors not working . the ECM and splice the VATS module red wire to it using the supplied butt splice. Returning the ECM to its factory state may be necessary to troubleshoot or resolve a number of problems. The SOS is an inexpensive module that when plugged into your wiring harness simulates your correct key. VATS 2: This must be set to Disabled along with VATS 1 to disable VATS in some applications. Basic Tuning is for those who only need non-power items changed, which are quick fixes, like rear gear ratio and/or tire size (for '94-'97), removal of VATS/AIR Pump/EGR/skip-shift, or changing to speed density. Remove (2) 7mm bolts and unblock the harness from the ECU/ECM. Close the starter circuit. ECM PCM Tech Tips ECM / ECU / PCM / BCM engine control modules, electronic controllers, trans & body controllers for . ECM/PCM For your LS/GM Gen 3 V8 Swap! This is a used, bench tested PCM with proven. 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, Firebird/Trans Am, and On occasion, your Camaro's VATS system may not recognize your key's code, leaving you stranded. The contents of the PROM is what decides whether or not the ECM is expecting a signal from a VATS decoder module. The VATS module uses an NPN output transistor to pull down (ground) the 5 VDC reference voltage presented by the ECM on terminal B6. TBI/TPI/LT1/LS1 Tuning Tips & Service! Learn the basics of tuning your own TBI/TPI/LT1/LS1 PCM, including timing, fuel curves and more; or just send your PCM to me for an inexpensive tune! With over 10 years of tuning experience, we start by ensuring your ECM has the correct operating system for your engine & transmission combination, and calibrate the ECM for the correct MAF, Injector Size, Throttle Body type, Tire Size & Gear Ratio as well as shut off the VATS (Vehicle Anti-Theft System), Rear Oxygen Sensor, and EGR/EVAP PCM Reprogramming Services I will reprogram PCM, ECM, TCMs for engine swap applications. I simply measured the resistance of the key and wired the module to my PCM. Trying to determine why my car does not crank. Of course, if you are buying a crate engine or can’t get all the original components, the aftermarket will come to your rescue. View Ashu Vats’ profile on LinkedIn, the world's largest professional community. 17 results for gm vats bypass Save gm vats bypass to get e-mail alerts and updates on your eBay Feed. yes no tire size (ie. First, you need to ask yourself if you are planning on keeping your current powertrain configuration. 3 4l60e T Ls Swap Computer Gm 6106 Pcm Ecm Vats Egr Deleted Dbw Wire Drive. R. At that time, in spite of being an electronics engineer, I knew absolutely nothing about GM immobilizers, Vehicle Anti-Theft Systems (GM VATS), and I certainly had never given any thought to how one disable a VATS system or perform a GM VATS bypass (is that like open-heart surgery?). See the complete profile on LinkedIn and  With over 10 years of tuning experience, we start by ensuring your ECM has the ECM for the correct MAF, Tire Size & Gear Ratio as well as shut off the VATS  Since the donor vehicle was a 2001 Tahoe that means VATS was controlled Unless they are looking at the CVN when the poll the ecm and  extended cervical mediastinoscopy (ECM) and video-assisted thoracoscopic surgery (VATS)] allow the completion of the staging process with the assessment   Trans Fluid Temperature sensor circuit error (low voltage) VATS (Vehicle The ECM monitors the transmission fluid temperature sensor and can adjust the  what year truck and what are you using to read the ECM? Since I haven't don't a ecm VATS relearn with the efi live yet what all is to be done  (1), reported on the influence of powered and tissue specific endoscopic stapling technology on clinical and economic results of VATS lobectomy procedures. I have a 4. Hopefully, this will help elevate some of that. Apr 3, 2011 PCM Diagnostics & Tuning - Turn off VATS/Security - I did no work to my car today and went to start it and nothing. 95. Some proms have it enabled, some have them disabled. Faking out the VATS signal to the ECM was problematic as I didn’t know what the pulse rate or duty cycle was needed. You can often find a good deal on a decent used TPI setup from just the intakes and runners, to the whole nine yards including the wiring harness, sensors, distributer, ECM, and then some fall in between. PASSKeyII (Personalized Automotive Security System) is the engine start and run security system used on 4th gen F-body cars (as well as other GM models). Components: Used TPIs are fairly cheap as many people are converting to carb, or upgrading to other forms of Fuel Injection. The bypass module generates the signal normally sent from the BCM to the PCM/ECM when the proper key is detected. If the resistance value read by the TDM is what How to Reflash ECM ECU LT1 PCM RE flash RE program ! Save Money Using a Junkyard Engine Control Module: DON'T LET YOUR DEALER TELL YOU IT CAN'T BE DONE! GM Passkey Passlock VATS Bypass NOTES – Circuit 229 used a dark blue wire in 1988-90, and the circuit passes through the C207 connector between the ECM and dash harness. VATS can be removed on all applications if requested. 99 Description. GM that a valid key is present and the PCM may start the vehicle. Basic functions apply to other models as well. It is only available through the Postal tuning method. Beats the 300 dollars he wanted to charge for one key. 0 PERIOD. COM ECM PINOUTS. 3 / 4L60E T LS Swap Computer GM 0411 PCM ECM VATS EGR Deleted DBC Cable 2003-2006 Chevrolet Suburban 5. Send the ECM out to have the Passlock removed. my name is greg I ordered the vats delete chip last week after emailing you a thousand times well the chip got here today and my vette has been sitting for a year as I learned all about gm’s vat system I tryed every thing in the world to get around it and finally decided to simply contact u guys and order the chip it took about 5 min to pop it in and presto she fired right up&nbsp GM Security Relearn Procedure GM vehicles have three types of Vehicle Thief Deterrent (VTD) systems, each requiring their own set of relearn procedures. If we need to or replace the PCM/ECM we will put a mirror image of you tune on new PCM/ECM. I have tried to disable VATS many different ways and have followed the advice here on this forum and It appears that there may be further issues. Send in your  You can bypass vats on these cars(not passkey) for about 25cents and The vats ecm(different from the engine ecm I belive), or a relay, the  This bypass module generates the 'key OK' signal normally sent from the BCM, sometimes called the VATS decoder, to the PCM/ECM when the proper key is  The VATS bypass module generates the 'key ok' signal normally sent from the BCM to the PCM (Powertrain Control Module) or ECM (Engine Control Module). While GM kept focusing on the input signal as the years went by, they totally forgot about the output signal. Unfollow gm vats bypass to stop getting updates on your eBay Feed. 3L truck over here. Ecm vats Why the NEWROCKIES Inc PRO Passlock Bypass DOES Work – Permanently. If it is the correct chip, the VATS module will tell the starter and the fuel pump to operate. Speedometer correction for axle ratio or tire changes. in order to run is the serial data from vats. The 1985 TPI calibration is contained in a EPROM (Eraseable Programmable Read Only Memory) and is a 32K chip. Read some of the stories on how to do it right but the way to wire the resistor i told you is the right way. parts included: 1994-1995 pcm programming (no pcm) NOTES: This includes programming for any stock engine application listed above. Definitely a great investment. The factory setting is typically 226 F--very HOT! It may help pass an PROGRAMMING OPTIONS ***: Change VIN. We also disable the rear O2 sensors, fuel tank purge EVAP and EGR operation, as those are rarely used in swaps. They offer engine management systems for both EFI and carbureted engines (carbureted LS engines are available from Chevrolet Performance as crate or carb-converted Gen III/IV engines). It will start if it has been sitting for a long while( 1 hour or more). 6 product ratings - 5. 2L AUTO(L99) rated at 400 horsepower and 410 ft-lbs of torque from the factory. 1985 TPI upgrade to 1986-89 TPI ECM Modifications (Fall '01 - '04) 1986-89 TPI upgrade to 1990-92 TPI ECM (MAF -> MAP/Speed-Density) Dyno Tests . Write Entire under the "Flash" menu (advanced users only) Write VIN/Tunerlock/VATS under the "Flash" menu (advanced users only) To signal the ECM that a correct key resistance is sensed, the VATS and PASSKey systems use a grounding square wave at a 30Hz rate. Earlier VATS systems may have used a white wire for this circuit, but the connection to the ECM on pin B6 and schematic is the same. The best prices on 0411 Pcm Ecm Vats! Shop a wide variety of 0411 pcm ecm vats available for sale now on the internet. Now I've gone though all my wiring and confirmed constant power and ground to the PCM at all times. 255-70-15) or diameter of tire Actually, VATS passkeyII are not different from year to year on many GM makes and models, you are probably thinking of the transponder equipped cars, that do need communication like that, in order to start and run. I'm amazed I could figure out how to convert from MAF to 2 bar speed density and get tripped up by silly crap like this LOL 6. This will save you from using any additional credits. We will e-mail the security key back to you as soon as possible. . Program Method. CADILLAC. ecm vats