Ecm vats. Nov 25, 2022 · In the 1990s, maybe.

Ecm vats. I am cleaning my wire harness and do not need vats anymore, so can I just remove the box and trace/remove all the wiring to the vats box? Or is there something special that I have to do? Btw, I did a search and I There was a whole rash of VATS not disabling a while back, I don't remember exactly which version but it was something like 4. If you want to remove the often-problematic Passlock/VATS system from your ECM, this service is for you. On later vehicles the VATS system links to the BCM where a secret password is communicated from the BCM to the PCM via the comms bus when the ignition is switched on. 00 How to Perform a GM Vehicle Anti-Theft System (VATS) relearn. 00 – $ 329. In this webinar we’ll show you how. I installed two into the same VZ V6. 7 vortec super strong motor, anyway I have fought with this truck for 3 years now having vats lock me out when I pissed it off somehow lol. Vats=vehicle anti theft system, passlock is the style of vats these truck's use, and the vtd is the vehicle theft deterrent module that controls everything. If you use the VATS relink feature it puts the PCM into "learn mode", where it listens for the password and stores it. 3 5. I have the dash off and I wanna rip the decoder out ( I have a new ECM so the fuel cutoff is already bypassed). I live in northern NJ. 4 Vats Removal and Basic Configuration service By request Set axle ratios/tire sizes fuel tank sizes even enable electric fans Just mail it in and Priority Mail return shipping is free! 1998-2001 ONLY! WE CANNOT DO PRE-98 Vin number Writes If needed This service is only available in the United These E38 ECM modules 12597121, 12612384, 12625455, 12633238 are GM units and you will receive a 1 year warranty from us at PCM of NC. Apr 3, 2007 · This is a service for the removal of the VATS (Vehicle Anti-theft System) on 1999 - 2007 Trucks and SUV's This is good to get your engine swap up and running or if you are having issues with the vehicle antitheft system on your factory vehicle and wish to bypass in in the ECM. It is a complete fuel cut to all cylinders when active. I'm just starting to get into working on my Apr 18, 2024 · C4 Tech/Performance - ecm vats delete reprogrammer suggestions plz? - Any suggestions on where to send my 1995 LT1 ecm to be reprogrammed to have the vats deleted will be much appreciated. Oct 4, 2022 · Using the latest version of HP Tuners, we reprogrammed the E92A ECM that came with the 2018 L83 and 6L80 transmission featured in the 1991 C1500 LT swap here in this book. Whether you need a reflash, a replacement module, cloning services, or security system removal, we have the tools and expertise to get your vehicle running properly. The new Boost Fuel Cut feature will cut fuel to all cylinders whenever boost is above the enable MAP value. Learn how to use TunerPro and PCM Hammer to remove VATS and disable the rear O2 sensor and Catalytic converter DTC trouble codes. It runs with a GMPP E67 ECM, but I need/want to use a production one for features it has but can't get it to start, MIL flashes, but no codes. That does work on the old 2003-2006 era, but only until you delete check engine codes, and then vats returns. No need to use HP Tuners, n VATS Delete E38 ECM PCM LS2 LS3 Corvette, Camaro, Silverado, Avalanche, Escalade, Gen IV LS Engines $ 129. I now have a new ECM installed and disabled the VATS, but still not getting it to start. performed key relearn procedure. VATS stands for Vehicle Anti-Theft System. Once vats is disabled, the ecm doesn't care about the vtd anymore. with ignition on and ac on cooler fan works, at this moment this dont happens. Your message was a bit of a long read but my thoughts are I don't think it will be possible to actually have the E86 run standalone, I say that because since 2006 many of GM's ECM's don't have an 'off switch' for the VATS. This tune is designed to allow you to start your vehicle and Mar 26, 2022 · Drag Racing Tech - How to delete Vats? Not bypass - I'm just wondering how to remove vats completely. Need to disable VATS on your swapped GM vehicle? 👀 A VATS disable is required if you swap the powertrain/engine from one vehicle into another so it starts a Feb 21, 2019 · I disabled the VATS on the test computer from another car to confirm we needed another ECM. I can adjust for different injector size depending on if I have the data for them. Sep 18, 2024 · Not sure if this is in correct forum but I need information how to disable all things to get my E 38 to run as stand alone. Apr 27, 2010 · I am working on an 86, and the diagnosis is a bad VATS decoder module. How to troubleshoot/bypass a GM VATS Passlock Passkey System HP Tuners 101 Beginners Guide - GM ECM Tuning Overview | Removing VATS, CEL There is no defined VATS disable in this ECM, to disable VATS you must select either Type 2 or Type 3 from this list and apply the VATS patch to the operating system. This quick video will show you what VATS is, when it started and HOW to get rid of it. Unfortunately the VATS calibrations are purely based on assumption based on byte patterns. This product page is for VATS removal for GM E38 Engine Control Modules (ECM) only and will not include any additional tuning or modification. Vehicle Anti-Theft System (VATS), Passkey, & Passkey II – resistive chip ignition key Passlock – coded lock cylinder Passkey III – transponder ignition key How do you know what system your vehicle has? Just look at the keys (see page 4). One option is having VATS completely tuned out of the car (fuel delivery and starter interrupt. I just want the starter motor to go directly to the steering column. VATS is the security systems built into modern computers to aid in anti-theft. I built him an Autocal with the VATS on a stock file, but apparently that did Aug 27, 2025 · LS Swap VATS Deleted E38 ECM L92 L94 LY6 L96 LC9 LY5 Denali Tahoe Yukon 5. 3 engine with 4L60E base tune. You need a few things to get started with this process- laptop or desktop, HP Tuners GM tuning package, enough credits Could I use HPT to put a correct tune from the repository, or another truck with the same drive train onto the 1999 computer, then remove VATS to get the truck going again? Tuner Join Date Mar 2009 Posts 76 Removing VATs I have project for Standalone harness with L92 with 6L80 first after I complete fixing the harness I used 2007 E38 ECM with VATs delete to start the car only and its running fine but 2007 ECM (older OS) not compatible with 2007 ECM On later vehicles the VATS system links to the BCM where a secret password is communicated from the BCM to the PCM via the comms bus when the ignition is switched on. 4. Unfortunately, this logic is no longer present when an LS swap is Sep 1, 2005 · C4 Tech/Performance - Removing ECM for VATS disabling - 91 C4-- I need to remove the ECM for sending to Ion at Madz28 (based on forum recommendation on someone else's thread) He provided me with some basic instructions but it would be great for something a bit more thorough. I simply left the Chevy starter relay in place and powered the starter solinoid from the Jeep starter relay and it starts every time. 3 Full Size ONLY. Jul 12, 2019 · There are so many computers and calibrations out there, it's not really possible to tell you everything here when every computer could be different. 00 Select options VATS Delete E67 TBSS LSA LS9 Hummer, Camaro, Corvette, More $ 129. The so-called VATS disable Yes EFILive can disable the VATS on the E78, it needs to be done as an ECM OS patch on them (there is no VATS disable in the calibrations) but it can be done. I shouldn't say I can't get it I am using a E92 ecm. Received. In 10 minutes exactly the SECURITY (lock) light will turn off. Send in your ECM and we will Vortec BLACK BOXECM GM Vats / Anti-theft Delete & Swap settings configuration Service 4. If you have a GM vehicle with the VATS/Pass Key security system and are completely removing the ECM, for example if you're swapping to a carburetor, then you GM VATS Bypass Module Vats bypass module is intended for use when installing a GM engine equipped with the PASSkey I or II VATS (Vehicle Anti Theft System) into a vehicle missing the BCM (Body Control Module), or for remote start system. 1, issues seemed to disappear with the next release. 00 Select options GM VATS Delete E92 2014+ Gen V Direct Injection, C7 Corvette, and More $ 129. Aug 24, 2021 · All late model GM vehicles have "VATS" (Vehicle Anti Theft System). Are the vats still enabled or do I have a different issue? Gen 2 Coyote 5. In 10 Feb 4, 2011 · C4 Tech/Performance - Eliminate VATS - Does anyone know how to completely eliminate the VATS system from a later C4? I know about the bypass that fools the computer but what about taking the VATS all the way out? I'm replacing the steering column so the ignition switch, fuel pump, lights, fan and ASR switches will all Jun 2, 2019 · Did you ask him to disable passlock? Vats IS passlock. Mar 12, 2025 · 1989-2002 Camaro and 1988-2002 Firebird VATS Bypass module Vehicle Won’t Start? Your GM’s VATS System Might Be the Reason. Then, use my pc and some free programs (PCM Hammer and Universal Patcher) to delete the VATS Stock re-programming of modules Module cloning Security deletes (GM VATS, Ford PATS, Chrysler SKIM) VIN Changes Tuner lock removal Bricked module recovery PCM unlocking services (currently Chrysler 15+ GPEC2 / GPEC2A ECMs and GM T87A and T93 TCMs, E41, E90 and E93 ECMs) File services: Stock file recovery (if you need to see the stock tune from another vehicle's calibration or lost or never had Description 1997-2004 S10 VATS Delete 2. Aug 1, 2022 · VATS - Vehicle Anti Theft Software is a feature in all Gen 3 and 4 ECM’s that will cut the engine if a signal from the original key is not received. Does anyone have a schematic to help The VATS system: The GM VATS (Vehicle Anti-Theft System) system uses a black resistor pellet in the metal part of the ignition key. If the engine will not start it is not a security issue. For the 2006+ E38 and pretty much every gas controller after that the OS requires 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. 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). But neither of ones I flashed to remove VATS crank the vehicle. If you do not see your application listed in our tuning system please call before sending in your ECM as there may be additional charges. Tried to start vehicle, but getting a no crank, no start. Just change the VATS to a specific type, apply the VATS patch, change the clutch switch setting depending if you have one fitted (or it won't crank). Any GM PCM/ECM made from 1986 to 2002 could be a PASSkey type VATS system, which our bypass module would work on. Our modified harness control pack will not start your engine without a VATS deleted ECM. 00 Select options 12200411 ECM with 2002 Gen 3 GM Truck Tune & VATS Removed. 3, 01 still reads 1 maybe i got a bad chip, sending it back today Do you have a factory ECM that needs VATS/Security Disabled and programmed for stand alone operation? Ship that to us for calibration to be completed. Knowing the part is discontinued I am searching for an alternative to replacing the module. Sep 7, 2011 · C4 Tech/Performance - pcmforless vats delete chip - well i installed my vats delete chip in my 92 today to see if that would cure my no start, and it didnt. Unlike earlier PCM’s, the VATS cannot be bypassed easily and to avoid turning it off in the software the original BCM, Key Reader and Key must be used, which adds unnecessary complexity. 2L AUTO VERSION (L99) engine 400HP 410 Ft-Lbs Standard less than 100,000 miles Flashed ECM – VATS removed OBD2/DLC connector (wired up and ready to be used to tune) Stand-Alone wiring harness Fuel Pump (pre-wired for ease of installation) Radiator Cooling Fans (pre-wired for ease of installation) Turnkey pallet (ready to run by adding battery and fuel cell Oct 1, 2019 · Been doing programming for vehicle and ECM swaps etc for years on 2001-2014 models. Nov 25, 2022 · In the 1990s, maybe. During vehicle start up, each must present the correct set or the engine does not crank and fuel is disabled. The ECM will use the richest of the PE table and the Boost Enrich table values when fuelling. Both of them are in current cars. ALL OTHER GM VEHICLES CHECK OUT HERE – LINK. This is an authentication protocol between the ECM and the BCM to ensure the ECM is trusted by the rest of the vehicle. PCM Reprogramming Services - PCM Programming service for your engine swap project. If you’ve lost your original GM key or are using one with the wrong resistor value, the Vehicle Anti-Theft System (VATS) will disable your starter or fuel system. Every GM vehicle leaves the factory with a layer of anti-theft programmed into the computer to ensure would-be thieves have the most difficult time when attempting to steal a vehicle. 2 or 4. com. 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 Try to start (it won't) Leave VATS and Passkey – No relearn is required on a VATS or Passkey-equipped vehicle when replacing the PCM. Most Feb 22, 2025 · 1,. VATS disabled Downstream Oxygen (O2) sensors disabled EGR Disabled Canister Purge disabled Fans 1 (190 degrees on, 185 off) and 2 (210 degrees on, 205 off) enabled Speed limiter set to maximum If you need a different calibration or other settings changed, contact us to discuss the details BEFORE purchasing. We sell plug&play turn key stand alone swap computers and we offer programming configuration and delete services for domestic vehicles and more. ) Has anyone ever had this done? What It doesnt look like the VIN matches the OS, however if this ECM was programmed properly it will be setup as an 07+ Silverado. You will have a check engine lights until further tuning is completed. If the resistance value read by the TDM is what the TDM is expecting, the TDM will send a signal to the PCM informing the PCM that a valid key is present and the PCM may start the vehicle. Nov 3, 2008 · Fire up your scan tool, connect to the ECM, activate DVT select "Learn Now" under "VATs Relearn". Well, I got the new ECM from Tony installed and it would not allow me to relink the ECM to the BCM. Apr 9, 2018 · No, you have to get an ECM chip burned to delete VATS to pulse the injectors or get a VATS emulator to trick the ECM to think it is still getting the VATS signal. Engine Control Module (ECM), With 2002 Gen III GM Truck Tune, VATS Removed, Calibration: 5. Disable Skip Shift aka CAGS (Manual Trans Only) Disable Traction Control Delete Air Conditioning Delete EVAP aka Charcoal Canister Purge Disable VATS Security System Fuel Nov 15, 2007 · Fire up your scan tool, connect to the ECM, activate DVT select "Learn Now" under "VATs Relearn". Your vehicle must have the 2 connector ECM shown in the picture. This second one is a 2014 Camaro with a 2013 ECM trying to fire up a built LS3. The ECM should have thrown a DTC for that too. Try to start (it won't) Leave ignition on. 0 5. 3 Dec 19, 2008 · C4 Tech/Performance - Remove VATS COMPLETELY - I'm looking to remove VATS completely, I mean totally. I program all swap PCMs to remove anti-theft system that will cause a "start and die" condition. Simply send in your ECM, and we’ll permanently disable it. I enable cooling fans for all swap applications, and change fan on and off temperatures. How could a PCM be unlinked on the bench without its linked BCM? According to chemistry, alcohol is a solution Change VIN Disable VATS Change RPM or speed limiters Speedometer correction for axle ratio or tire changes POWER TUNE = spark timing and fuel remapped for more hp/torque ECONOMY TUNE = improved mpg (up to +5MPG HWY for some applications) Premium or regular octane programming Change fan turn-on temp settings Remap shift patterns for performance or towing Remap shift pressures for firmer shifts Dec 7, 2009 · Re: vz v6 e55 ecm vats reset by antus » Tue Jul 19, 2016 6:18 am It wouldnt surprise me if bdm or jtag was on the staggered connectors to the right of the main chip. ) Has anyone ever had this done? What If you have a GM vehicle with the VATS/Pass Key security system and are completely removing the ECM, for example if you're swapping to a carburetor, then you Dec 13, 2011 · Just get a vats module it's like $20 they use them for lt1 installs in older cars like resto mods I used one from painless wording when I put an lt1 in my chevelle. VATS Delete E38 ECM PCM LS2 LS3 Corvette, Camaro, Silverado, Avalanche, Escalade, Gen IV LS Engines $ 129. 5 turbo diesel, I did a Ls swap to a 1998 Chevy k1500 z71 5. Put a known good ECM into the car, and it cranks. Vehicle Year 1994 1995 Transmission Type Automatic Manual “Deleted” Equipment Select the following check boxes to ‘tune out’ a particular item. Sep 6, 2020 · Re: VATS delete by VX L67 Getrag » Tue Oct 27, 2020 11:41 pm If it’s the same ecm I don’t think it would matter if cal/os is changed & shouldn’t need to do vats delete. Shop online! Mar 5, 2020 · I sent my son up to the pcm tune shop with the ecm out of my 1994 Chevy k3500 that use to be a 6. Have you read the FAQ? May 7, 2012 · hi when swapping ecms do they need to reflashed? i got a truck its running but the ecm has problems when i put in a used good emc the engine wont start with it but it will start with the old ecm could it be the vats ??? Find many great new & used options and get the best deals for LS Swap Computer GM 0411 PCM ECM VATS EGR DELETED DBC 60e or 80e at the best online prices at eBay! Free shipping for many products! I applied the Vats patch and powered the starter relay trigger as the ECM does - no start, code P0615. I have set vats patch 1 to disable, set the vats algorithm to NAO, and set the starter diagnostics to disable. 2001 5. So they would have controlled cranking, if that makes sense. Sometimes this is referred to as VATS. - ecu original ecu at car how can I test, ? proabbly I have a replacement to test but I dont want to fried without previous check. Where are all the VATS items to disable? An automotive electronics rebuilding leader, ARES Technologies delivers high-quality ECM, PCM, TCM, and FICM modules for vehicles. 427, the conversions I assisted with, it's a simple process. 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. I am trying to use a production '09 E67 CTS-V ECM with an LS2 & GMPP harness, but cant get it to start. Delete EGR Delete AIR Pump This doesn’t hurt even on a stock engine. Oct 23, 2025 · GM LS ECM Vats Delete, 411/P01 CUSTOMER SUPPLIED 99-02 LS Swap +VIN Match In this Part 2 video I show how I connected a stock LS pcm to my pc with the harness I just made. The VATS decoder send a 'key OK' signal to the PCM/ECM when the proper key is detected. This ignition 1 voltage circuit supplies power to all the internal ECM circuits associated with the throttle actuator control (TAC) operation. The E41 L5P diesel, the E90 for 19+ Silverado trucks, the E46 for the 3. It is commonly referred to as PassKey. Apr 3, 2000 · This is a service for the removal of the VATS (Vehicle Anti-theft System) on 1996 to 2000 GM Trucks and SUV's This is good to get your engine swap up and running or if you are having issues with the vehicle antitheft system on your factory vehicle and wish to bypass in in the ECM. If we offer mail order tuning for your vehicle, we can delete Passlock/VATS. Thanks for watching! Engine, Body, and Transmission ECM, PCM, TCM Control Module Services At PCM Tuners, we provide comprehensive control module services for engine, transmission, and body control units. Mar 14, 2014 · Re: vz v6 e55 ecm vats reset by Gareth » Mon Jul 18, 2016 12:00 pm The vin is recorded on the PCM, so wrong code is not likley I was of the opinion that the BCM has the immobiliser code, the PCM and BCM are linked. 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: Mail order VATS (vehicle anti theft system) delete and disable service for the black box vortec engine computers in 1998 and newer GM vehicles with L29 L31 L35 4. Here's how you "teach" the truck your new ECM: Turn ignition on Try to start (it won't) Leave ignition on. But i noticed that with it installed it is still showing my vats is enabled in my obd 1. The original ECM was broken in the wreck so he had a good used one. Security light is no longer on. Also you can get a vats chip to bypass it for like $75 it installed right into the ECM. There is also an enable/disable option for this feature. The VATS module uses an NPN output transistor to pull down (ground) the 5 VDC reference voltage presented by the ECM on terminal B6. Circuit/System Description There are 2 ignition 1 voltage circuits supplied to the engine control module (ECM). I did the entire write. Disabling VATS and AFM are two simple and common tasks you’ll need to perform when fitting an LS engine into a different chassis while retaining the factory ECM, or fitting an aftermarket cam to an AFM equipped LS engine. The truck would start but die right away and throw a VATS code. You don't need to know the resistance values just the year of the ECM. If you would like to remove the often failing Passlock/VATS system from your ECM, please use this listing. Keep trying the wrong key Nov 17, 2010 · I had to end up getting a new ECM from Tony Moonshine and he reprogrammed the VATS relearn procedure so I could hard link my new ECM to the BCM. It has nothing to do with whether your vehicle has a physical key, or a fob. They are pulled from other vehicles, cleaned and reprogrammed. Also how to setup T 42 for 4L80e. Later versions include PassKeyII, PassKeyIII and PassLock (which uses no resistor "pellet"). 42 Gear Ratio / 29 in. If the light is on, it's because the vtd senses a problem. Jan 23, 2025 · I tried unplugging the bcm on a 2011 silverado (with the e38 ecm) the other day as a means of deleting vats. Sep 23, 2013 · VATS Delete Chip 1986-1993 | Follow the link above to get more info + pricing | PCM of NC one-stop-shop for Late Model GM Performance Parts Mar 22, 2023 · There is no defined VATS disable in this ECM, to disable VATS you must select either Type 2 or Type 3 from this list and apply the VATS patch to the operating system. 7 7. All he wanted to do initially was to make it start and run. This process is also known as resetting your Passlock or Passkey VATS system. The pedal assembly and throttle body (might be ok) don't match the currently programmed OS. When I start the engine it fires up right away but then stumbles and stalls. In those days, VATS was a signal that ran at a certain frequency, but modern day VATS is all done through message exchanges over the CAN bus. Hopefully, this will help elevate some of that. I have purchased a harness and ECM from Howell and I am not having any luck to get the car started. 42 Gear Ratio / 29” Rear Tire Diameter. But it won?t crank or Newly flashed ECM chip with VATS removed – can be purchased from pcmforless. The sections that follow will help you identify the system and describe how to do the relearn. After just one incorrect attempt, the system locks you out for 3–4 minutes. The process is very similar for LS ECMs, the main difference being the location of the VATS table (s). 0L 2015-17 Mustang PATS Delete service to get your Coyote swap project fired up without any headaches! Vehicle Anti-Theft System (VATS) – VATS has a separate module called the Theft Deterrent Module (TDM) that validates the resistive chip in the ignition key. GM first introduced VATS in 1985 on the Chevrolet Corvette, and after proving successful, was later Nov 2, 2022 · Purchased this new Vin Programmed ECM from flagship one. Wouldn't be easy to connect but i'd be surprised if it wasn't possible. All fuses are good. Been 2 years or so? If you do a fresh read of the ECM and compare it to the file you last wrote, does everything match up? The GM Vehicle Anti-Theft System (VATS) was cutting edge technology when it debuted in the 80’s Relying on a resistor embedded within the key, the VATS module would read this signal and if the resistance is correct, allow your car to start by communicating with the ECM. There?s a G8 running a built LS3. Dec 13, 2011 · Just get a vats module it's like $20 they use them for lt1 installs in older cars like resto mods I used one from painless wording when I put an lt1 in my chevelle. You will send us your computer or we can provide you with one. Follow the description in the VATS calibrations. We don’t do “mail-order tunes”, only stock Nov 3, 2008 · When you switch ECM's, your truck probably will crank, but won't start. Disable the VATS and go. This ECM has the Vehicle Anti-Theft System removed and is calibrated for the following specs: 5. Rear Tire Diameter 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. . 4 engines. All factory emissions items will still be activated. Only hearing relay clicking. Worst case it'll cost you a VIN license to hopefully discover that is all that was wrong. If you are not sure about it please email your service number to sales@pcmofnc. This page will go over information needed to remove the anti-theft, or VATS from your completely stock vehicle. reread data, all changes were made. That was the one I had to put a known good PCM in. 3L / 4L60e / 3. Two things that are for sure are the differences between the VATS under the system tab and VATS under the OS tab. 0 Duramax, the E93 on 21+ Silverado, and the E99 model ECM for the 2020+ Corvette requires extended time and expensive unlock procedures before VATS delete can be performed. vin 1G1YY22P5S5117119 after 35 years, not so easy to locate thanks! Aug 24, 2015 · Re: vz v6 e55 ecm vats reset by Tazzi » Mon Jul 18, 2016 12:43 am delcowizzid wrote: My mate's on his 4th one he keeps sending his away don't know if they are just reflashing 2nd hand ones or what but he's over it just parked the car and forgotten about it lol Its the bloody connectors. This kit includes: Turnkey LS3 6. Vats resistor value its correct, what more can I do, vats module ?, VATS module indeependent from ecu at this model 2. You do not have the required permissions to view the files attached to this post. com and also custom tailored to your liking with other performance enhancements at the same time. During immobilizer (VATS) learn, the ECM and BCM learn each other's unique immobilizer codes. Unfortunately, this logic is no longer present when an LS swap is This product page is for VATS removal for GM E38 Engine Control Modules (ECM) only and will not include any additional tuning or modification. This page IS NOT FOR you if you are doing an engine swap into another vehicle. Reason on replacing ecm is because old ecm failed. The first ignition circuit is provided by the powertrain relay, through a fuse. A while back I had a guy doing a 2015 ECM for a rebuilder that he was working on. zy eangjhx i4q q3disfa vyt1r ol3q oxvz wjbc xrl bc