Vats relearn

For PK3+ and Pas Oct 11, 2013 · C6 Tech/Performance - c6 VATS relearn. Turn the key on. 2505 posts · Joined 2004. It either works, or it's broken. Just look at the keys (see page 4). 2. Its main purpose, as you can tell by the name, is to prevent vehicle theft Unless the VATS control module is replaced, there is no relearn procedure for the VATS system. You must send in your BCM for us to clone it onto the new one, or you will need to perform a VATS relearn and SDM Sync. E78 VATS Relearn. My Saab has has been tuned and whenever I use the key without the chip, it starts with the security light flashing. . If I enable the auto learn, set the relearn count to 0 and the relearn timer to 20 seconds Aug 20, 2020 · In this video I will walk you through installing a replacement ECU and performing the Key Relearn procedure for PK3+ and Passlock GM Vehicles. January 11th, 2014, 12:14 AM. The generic data Is good enough for it to run but sometimes there are variances that could be outside the expected range. If this works the same way, we are in business! If it communicates via an actual data signal, this has been nothing more than an interesting deep dive on how the immobilizer works, but I'm back to an expensive reflash. If you’re having a problem with the anti-theft system, the engine won’t start, and the security light will start flashing. Show Printable Version; 10-14-2010 #1. ECU is a E38 Jul 24, 2012 · GM made several different types of anti-theft systems. Wait 10 minutes until it turns off. Cadillac (actually GM) have used the term Passkey since '89, and the version used in '96 was called passkeyII. Jan 21, 2003 · The way I read the VAT relearn process above the following could happen: Anybody can go into a GM dealership and order a blank with a pill. The directions are the same for either system (Passlock has a resister in the ignition switch, Passkey has it in the key). Repeat #1-#5 for four cycles or until vehicle starts. #4. Wait 10 minutes for SECURITY light to turn off. Feb 1, 2010 · VATS RELEARN: 1. 3. ) 4. Jul 24, 2022 · Once everything is tied up the 02 auto bcm, 00 6 speed pcm, tac module, either sdm ( programmed to BCM and PCM or just the pcm) how do you go about doing the vats relearn procedure if the car is using a replacement key tumbler vats, bcm, pcm and possibly sdm ( that can be done later unplugged with just not have air bag functions). VATS Pass Lock uses a resistance-coded key for that security check. Crank engine - It may or may not start. GM Vehicle Theft Deterrent (VTD) Relearn Procedures. 1. VATS, Passkey, & Passkey II – resistive chip ignition key. Symptoms of a P0315 engine code may include: Malfunction Indicator Lamp (MIL) on. Vehicle Anti-Theft System (VATS), Passkey, & Passkey II – resistive chip ignition key 2. There are a few circumstances when you will need to relearn your Vehicle Anti-Theft System (VATS) relearn. I've been a member for years and have used the forum search to fix many-a-problem, but this one has me stumped. All he wanted to do initially was to make it start and run. Jun 24, 2017 · Turn the key to ON and attempt to start the engine and release the key to the ON position. Repeat 1&2 two more times. Made sure the vin numbers matched the car within the tune. SkyMadness. May 27, 2015 · 1. Side note: the only reset procedure for VATS is the ten minute reset. ) 2. Apr 23, 2011 · The relearn count should be 600 seconds or 10 minutes as you stated. with the module in the key head this is the passlock system. 72 ohms so the key is good the cylinder wires must be good VATS and PASSKey Vehicle Anti-Theft Systems. If your cheap like me amd are running a stock engine and want to avoid a tune and have a donor vehicle it is easy to make the vats work. I set the paramaters under VATS relearn to 2 times and 30 seconds but this was also a no start no relearn. A VATS fob does little more than lock/unlock the car. I thought that VATS and Passkey were synonomus. that follow will help you identify the system and describe how to do the relearn. 7 wires is all you need to connect also the key sensor and bcm. e39 V6 ecu swap. Any time you change a cam or crank sensor, and ECU, or in this case the crankshaft, You should perform a relearn. Passlock – coded lock cylinder 3. ? - In my search im only finding for a c5 and they require a key. Security light will turn off after this. The pcm is from the states out of a camaro but i have reflashed it. Select your ECM and check the status, then perform the VATS relink which is in the tab next to checking the ECM status. Important to follow the times and sequence for the relearn cycle. Toggle signature. This is what I did. When you insert the key, electrical contacts mounted on the lock cylinder read the key’s resistance and that reading is checked to see if it’s the correct key. This article describes how to troublshoot and fix a PassLock system. The battery will be used for 30 minutes without the alternator available for charging. When this occurs, no relearning procedure is required on a vehicle equipped with VATS when its PCM was replaced. Serial: 86K25176TUYH. I do have the software and have spent untold hours getting it to work as intended. No more misfires on cylinder three. The Passlock II and III (PK3) systems followed shortly after the introduction of the Passlock I system. After approximately ten minutes it should turn off for the first time. The basic reset procedure that works for a real PassKey security fault works to reset from fail-enable, too. There are 15 different resistor pellets. DURAMAXTUNER. The original ECM was broken in the wreck so he had a good used one. Feb 5, 2012 · The VATS system is composed of a set of contatcs integrated into the ignition carrier, which reads the unique resistance value of a resistor embedded within the key. Turn the key to ON and attempt to start the engine. The relearn syncs the proper timing sequence. #4 · Sep 24, 2023. If the resistance value read by There is no relearn procedure for the VATS system unless the VATS control module is replaced. No click at the starter. Jan 23, 2008 · Observe the SECURITY telltale on the dashboard or driver information center. I ended up with the VATS and a no crank no start. to start the vehicle. go ahead and read the ECU, it doesn't use any credits and make sure it's there, then use 2 credits if you want, turn it off and you probably will have Jun 11, 2017 · 93 Allante Help?? VATS, Newbie, changed the battery, message center says starter disabled due to VATS, checked key has 4. Oct 9, 2023 · IF you still have to stock ECM and PCM, put them back on to help debug this and check your car as what gm requires is the proper VATS relearn process Most case it is with a fully charged battery and maybe batter tender hooked up take about 30 minutes for the process Which is turn key on, engine off, use a stop watch if possible but 10 minutes ON Jul 15, 2020 · The old VATS systems send a 30-50hz "key okay" signal to the ECU when it recognizes the correct resistance value. This computer will fit the following part numbers: 13594692 - 13594768 - 13593214 - 13580690 - 13591519 - 13594769 - 22915542 - 22820314 - 13592137 - 13506935 - 13506936 - 13587704 - 13594764 - 13528945 - 13586273 - 13594614 Sep 24, 2023 · 1480 posts · Joined 2017. on earlier vehicles like Fbodies, the VATS signal is a simple box that generates a electric waveform - this is PWM VATS. No training or relearn process. Attempt to start the engine. What I do is switch the theft parameter to Sep 12, 2018 · Sep 12, 2018. Rewired pcm and theft deterrent system activated car won’t start - Answered by a verified Buick Mechanic We use cookies to give you the best possible experience on our website. For Passkey an How did You do the VATS relearn. (My light turned off in 7 - 8 minutes in which time I went to step 4. Dec 18, 2010 · C4 Tech/Performance - 95 LT-1 vats problem? - Ok Gents. New ECU is out of a 6. Clicked on Relink VATS. So if you have a key WITHOUT a chip in it, chances are it’s a PassLock system. Jul 19, 2021 · There are three possible types of Vehicle Thief Deterrent (VTD) systems that require specific relearn procedures when replacing the PCM. To perform a relearn for the Passkey, II, III system, make sure there is a fully charged battery in the vehicle. 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. This is when you would get a code. 132. Reconnect the battery. ours have a fob and figure its different. GM Vehicle Theft Deterrent (VTD) Relearn Procedures Page 1 of 4 following sections describe how to execute the relearn procedures for each VTD system; feel free to skip to the section that matches your VTD key. 6 stock liters of diesel goodness 2021 AT-4 with 3. minutes. The Pass-Key, Pass-Key II, or VATS, as it’s called in earlier GM vehicles, uses a resistor mounted in the key blank to confirm that the correct ignition key is being used to start the engine. Step Two: Locate the plug pictured below, The plug is under the dash near the steering column. Oct 1, 2019 · 2015 lml/lgh vats. You must turn the ignition OFF before attempting to start the vehicle. OS: 12658778. Many people call the resistor pellet a “chip” due to the common misconception that LMM used ECM Vats relearn; Results 1 to 1 of 1 Thread: LMM used ECM Vats relearn. It is important to determine which generation of passive anti-theft system is installed on the vehicle. You have the timer (set to 10mins stock) then the number of timer countdowns that must be done (set to 3 stock), so 3 x 10 = 30min relearn with key off after each 10min timer ends. The only other way that I've read about is the "White/blue" method. 2004 GTO: F1a-94 Procharger, LS3 block forged internals, custom Cam Motion cam, E85 and Methanol injection. I get a car with a lock symbol beside the check engine light. Never turn key to off, open doors or window. . Once the module learns its code, there is no way to relearn it. The prominent feature of these VTD systems is the small resistive chip visible on the steel shank of the ignition key. Insert a master key (black head) into the ignition switch. Feb 13, 2013 · wait 5 sec then repeat the steps 1-4. Then in the tune tool, click on the PCM security icon across the top of the page. To further support that you need to program the BCM, the security light will flash 3 times and then remain steady and not go off. 9. Nov 17, 2020 · Step to do an immobilizer relearn for an L5P. 5. Turn on the key for 11 minutes. To perform a relearn for the Passkey III system, make sure there is a fully charged battery in the vehicle. If the voltage waveform is not detected or it is bad the engine will start and run for 2 secs then the PCM will cut fuel. E78 Vats Relearn. ;-) Step One: Start the truck, leaving it in park, and running during this process. If you’ve just installed a replacement Powertrain Control Module, or Body Control Module on your GM vehicle, and you are wondering why the vehicle still won’ Feb 9, 2024 · You can read the DIC codes to confirm that the relearn procedure has been completed or still needs to be done. PassLock seems to have the highest failure rate. Before starting the relearn, control modules must be clear of all diagnostic trouble codes (DTCs). By SkyMadness in forum E39, E80, E82 & E92 SIDI ECM's Replies: 2 Last Post: January 13th, 2014, 09:55 PM. When vats is disabled the car runs when I try to do a relearn it won't stay running longer then 5 seconds. Car will start and run fine when i jump the starter relay with a wire. Got it. When you attempt to start the vehicle the Tahoe's VATS module reads the resistance value from the key. With vats active i get code P1631 and car starts for about 1 sec then dies. Start the engine. However, in step 3 the security light is supposed to remain on for 10 minutes. Make sure you solder the resistor into place. Like. Remove Vats Permanently . ) If you have EFI Live you can disable VATS in your tune, or set the wait time to like 10 seconds, rather than the factory 600 seconds. Module (TDM) that validates the resistive chip in the ignition key. ) 3. Turn key to the “ON” position without starting the engine. Aug 7, 2017 · A relearn consists of turning the key on fire it up let it die and leave the key on. 4. All late model GM vehicles have "VATS" (Vehicle Anti Theft System). I do not want to remove Vats, i have got a used ECM and I want it to learn the new security code. Go through “relearn” process and no more issue. Mine only remains on for approx 3 seconds. Jun 1, 2021 · 1999 buick park avenue ultra VATS relearn/reset. Been doing programming for vehicle and ECM swaps etc for years on 2001-2014 models. I have a 95 LT-1 automatic that won't start. Passkey III – transponder ignition key. There is 2 sereal lines from the bcm to pcm Nov 6, 2015 · Vehicle Antitheft System (VATS). Do this 3 times and it will learn the 2. It has nothing to do with whether your vehicle has a physical key, or a fob. 2023 AT-4 HD 6. At any rate, the shop manual says all the lockouts are controlled by the IPC and I quote: "If the key Jan 13, 2014 · I would like to ask you if I could enable Vats Relearn without enabling the VATS Patch. It also set all the Injector Calibration Incorrect codes P2686 through P2693 The VATS codes were P1631 and P0513. 4,861. Wrecked car runs and drives with no MIL and no DTCs. I replaced the pcm and curently only codes I see are evap and crank which was expected. I pulled the codes and I am getting 2721hc. The SECURITY light will illuminate. Aug 25, 2021 · 1. #5 · May 18, 2008. Josh, turn the VATS back on in the tune and reflash. Vehicle Anti-Theft System (VATS) – VATS has a separate module called the Theft Deterrent Module (TDM) that validates the resistive chip in the ignition Dec 31, 2009 · How do you relearn vats after replacing ignition switch on 1999 honmda accord? - Answered by a verified Mechanic for Honda We use cookies to give you the best possible experience on our website. Mar 19, 2012 · Vats, how to make it work. 2 K resistor as the new resistance for the ignition switch. Feb 7, 2022 · It is a VATS relearn as mentioned in the link. sgt473. Misfire / bucking or surging Dies out, but may restart if the problem is inconsistent. We suggest doing your research or have your The relearn can be performed by a factory scan tool, an aftermarket scan tool, or a simple manual key cycle procedure. The Passlock I system is considered the replacement for the GM Vehicle Anti-Theft System (VATS). Turn it to the on position. IMPORTANT The vehicle learns the PasslockTM Sensor Data Code and/or password on the next ignition switch transition from OFF to CRANK. A 1630H means it's completed. 11-18-2022 #2. 2 Turn off the key for 30 seconds. Jun 12, 2024 · Tried to do the trans relearn but kept getting blocked (per tech and trans rebuilder) due to the code being thrown by the VATS (security light) and a different issue I have (P0380) with my glowplug circuit. May 7, 2012 · Follow the pass key relearn process. Each key has a resistor pellet embedded in the key. gtstorey. 0L Yukon. Disable the VATS and go. Cost is about $2 and a ½ day. Vehicle Anti-Theft System (VATS) – VATS has a separate module called the Theft Deterrent . good luck. Jul 17, 2009 · Does anyone know the procedure to get an ls1 pcm in a vx commodore to learn the vats code. Leave the key in that position until the security light stops flashing. Sep 13, 2020 · Anti Theft Relearn on E38. Crank Position sensor requires a relearn with PCM. Passkey III – transponder ignition key The ignition key type can be used to determine what system the vehicle has and what relearn procedure is required. There is nothing else for VATS. This is an authentication protocol between the ECM and the BCM to ensure the ECM is trusted by the rest of the vehicle. 3L. PK3 uses a VIN coded key fob and receiver to acknowledge the driver's validity and presence. If it starts and run, the system has reset. Repeat steps 1 through 4 two more times for a total of 3 cycles/30 minutes; the vehicle is now ready to relearn the Passlock Sensor Data Code and/or passwords on the next ignition switch transition from OFF to CRANK. Change the ECU. Turn key to the “OFF” position for 5 seconds. check out your vats system. These procedures must be completed before the engine starts or even cranks. SPS subscription to perform IMMO (VATS Relearn), if this is the case a security off file will be sent until you can access a dealer tool (vehicle will operate normally but will not have security features) Also send suite information that was previously saved 10. I'm a recovering electrical engineer, and the New Rockies design seemed to make sense. Hello, I would like to ask you if I could enable Vats Relearn without enabling the VATS Patch. go on you tube check out videos on how to check or bypass the vehicle anti theft system or vats. sometimes if the key gets near magnets , strong electromagnetic fields or even other keys [with chips] they can get scrambled. Passkey Security (VATS) Relearn Procedure 01-10 NOTE: The accessory key position is never used in this procedure. May 11, 2008 · Re: 1994 Camaro VATS/PassKey. If you choose to BYPASS the system, the process involves locating and cutting into 2-wires between the module and key switch and soldering a resistor (5-10k ohms) between the two wires. could be your key is not being read by the vats system. The key has nothing to do with it in these years. A new VATS module will learn the resistor code the first time it is powered up. 6. Take it to the dealership to have a clutch pedal relearn procedure done and they say they cannot get the new ECM to communicate with the clutch sensor. This article describes how to troubleshoot and fix a PassKey II system. The three systems are: Vehicle Anti-Theft System (VATS), Passkey, & Passkey II – resistive chip ignition key I tired to go through the relearn thing several times. It completed and I turned the ignition off for 30 sec, on for 30, off for 30, on for 30 Mar 22, 2023 · 3) key off, then start (should be linked now) Yes correct, that is pretty much what GM service spells out as the procedure. Jan 23, 2010 · I ran into this issue after replacing an ECU with another even though the new ECU VIN was changed in HP Tuners. If I enable the auto learn, set the relearn count to 0 and the relearn timer to 20 seconds can I do the job fast? Jan 13, 2014 · E78 VATS Relearn. It’s really the first PassKey system. This process is also known as resetting your Passlock or Passkey VATS system. The procedure below will let the car relearn VATS, but roll down the drivers window first unless you want to sit in the car bored for 30 mins. Once the module learns its code, there is no way to re-learn it. anti theft system. to relearn the Passlock TM Sensor Date Code and/or passwords on the next ignition switch transition from OFF to CRANK. i have a 2011 cadillac srx with a 3. Leave key in ON position - not accessory. Page 2 of 6. VATS and Passkey – No relearn is required on a VATS or In this video I will walk you through installing a replacement ECU and performing the Key Relearn procedure for PK3 and Passkey GM Vehicles. How to VATs relearn on most GM vehicles. Nov 17, 2010 · Josh, turn the VATS back on in the tune and reflash. Y ou should see a P1631 if the BCM VATs still needs to be programmed. E38 ECM in 2015 Camaro LS3/TR6060. I have to imagine that’s causing my issues as it will not relearn no matter how many times I repeat process. Aug 25, 2012 · Service manual is quite helpful. With the resistor in place the car starts and runs fine and the accursed light Apr 29, 2010 · The car is still starting fine, but I think it is a matter of time before I get stuck again and have to sit there for 30 min and do the relearn, which seem to be the only that fixes it. the 4th crank try it will start (if it was a VATS issue. A new VATS module will learn the resistor code the first time it is powered up in the car. Dec 23, 2012 · Try the relearn. These cars are super simple to pull the tank and do the fuel system in. A while back I had a guy doing a 2015 ECM for a rebuilder that he was working on. One of the easiest fuel systems to work on in fact compared to many others I've done. Mar 26, 2010 · key on, crank (no start), wait 10 minutes (600 seconds) (not a second less) with key on run, shut key off, replete 2 more times. May 18, 2008 · Harry Yarnell Discussion starter. Car starts and runs fine with vats disabled but i would like to have vats active. You need the 3 wires off the key sensor, one is power other two go to bcm. Important The vehicle learns the Passlock Sensor Data Code and/or password on the next ignition switch transition from OFF to CRANK. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Jun 15, 2002 · Re: HELP!!!!! does anyone Know the VATS relearn procedure (joe2gaan) Yes there is a theft relearn procedure,but if a new key doesnt start the vehicle,they gave you the wrong key. General Information. A decent OBD-II tool that has bidirectional should be able to command a VATS / security relearn Also, if getting engine started with another PCM may require a crank position sensor relearn being done as if not syn'cd to PCM then lots of misfires 6. Mar 1, 2005 · VATS, Passkey & Passkey II (Resistive-Chip Ignition Key) The VATS and early Passkey systems utilize the PCM, resistive-chip ignition key and lock cylinder, and either a BCM or VTD control module to prevent unauthorized start-up. How To Do a VATS Relearn After Replacing Your L5P Duramax E41 ECM. Aug 24, 2021 · 386. The procedure posted is the same I have followed. Feb 16, 2024 · Well it wont start because the new ECU doesnt recognize that the clutch pedal is in. Jul 24, 2012 · GM made several different types of anti-theft systems. GM Vehicle Theft Deterrent (VTD) Relearn Procedures PASSKEY, PASSKEY II & VATS (PAGE:3) PASSKEY III+/ (PK3+) (PAGE:6) Passkey III/ (PK3) (PAGE: 5) PASSLOCK (PAGE: 4) Tech Talk Posts. There is a transponder embedded in the head of the key that becomes energized by the exciter coils in the ignition lock cylinder when the ignition switch is turned on. Five splices, one being kind of a challenge with the top c1 module, a 30 minute relearn and it started right up, several times so far. (brand new starter) The security light stays on when I have the key turned to the Aug 25, 2021 · There are three possible types of Vehicle Thief Deterrent (VTD) systems that require specific relearn procedures when replacing the PCM. Mar 21, 2020 · GM vehicles have three types of Vehicle Thief Deterrent (VTD) systems, each requiring their own set of relearn procedures. Turn key OFF for 30 seconds. Vats Security Relearn Procedure. Oct 29, 2014 · Cost at the dealership is about $1000+. Jan 4, 2024 · 1. you'd be overriding that. View Profile Sep 27, 2020 · I found some not so great instructions on how to do this so I decided to create a quick video to show how to perform this reset on GM vehicles where there's Jun 13, 2019 · Unless VATS has been tuned out of the PCM, it shouldn't. The three systems are: 1. The Passlock family of anti-theft systems are still in use today. Try to start the vehicle by turning the key to the START position (using a Master Pass-Key key, not a Valet key). Follow this procedure. The PCM simply looks for the correct waveform input. 6L Duramax. Jan 9, 2012 · There is even a DIY plan for sale that they say can defeat the passlock; GM will not disable it. It is on this link as well. 2018 Silverado 3500 with PPEI emissions intact tuning. The security light will flash and stay on. Passkey This system also contains a separate module called the TDM which does the same function mentioned for VATS equipped vehicles. After 10 minutes shut off the key and repeat. At the 9:19 mark of the video I chose "Body control modul By , December 27, 2010. The ignition key type can be used to determine what system the vehicle has and what relearn procedure is required. I had to change out the ECU on a 2008 Sierra 5. Would all that I need to do be to Change the vin to the original vin# in new ECU in the vin wizard under the edit tab? Truck will not turn over with new ECU. Unless these procedures are correctly performed the vehicle will not start after the PCM has been replaced. any suggestions? tried the 30 minute key relearn and vats disable. with a resistor in the key this is the pass key system . Turn on the key for 30 seconds. The troubleshoot and reset procedures are different for each. Appreciate the input. When the light goes off, turn key to OFF position and allow the vehicle to. I have been having the same issue with the light coming on weather I have the vats connected , or the resistor pypass. Then all you need is an imprint of the key shape from the car which may be very easily done at any service facility while the key is in the car. May 14, 2021 · How do I program my GM vats key? GM VATs Relearn. Downloaded cal file out of ECM for safe keeping. Apr 24, 2014 · 1989corvette will notstart,fuelpump not comming on,put new fuelpump and fuelpump relay;but it still wont start. Thread Tools. Turn the key to OFF for 10 seconds. What I have is a 97 corvette turbo that I plan on running high boost. Disconnect the battery. Turn OFF the ignition and wait for ten seconds. Use the imprint to get a key made. Wait for 10 minutes or until the security light turns off. This should take about ten minutes. The battery will be used for 30 minutes without the alternator available for Jan 21, 2010 · Allow the vehicle to sit with key in the ON/RUN position for no less than 11. Have them recheck the pellet resistor code # Feb 9, 2021 · Insert ignition key. You can turn off Vats in the ECM and that should take care of the starting issue. The posted link appears to be for previous versions of VATS. It's really not that smart. Aug 31, 2022 · PassKey (PK3) is a very different system from the earlier VATS PassLock (Vehicle Anti Theft System). The BCM makes theft decisions and tells the ECM whether or not to let it run. I got really aggregated with this and called the stealership to see about having Apr 7, 2023 · the problem is not a PCM to BCM Starbus class 2 problem and reason VATS relearn cannot be done 5. If it starts even with the security light on, you could rip out the light or LED for it in the instrument panel. Did a full write of the ECU with the tune file /w correct vin number. Feb 16, 2011 · How To Reset Passlock and Passkey VATS System The relearn procedure for resetting the GM Passlock or Passkey security system is fairly straightforward, though it’s a little time consuming. Jan 1, 2015 · C5 Scan & Tune - Vats relearn efi live? - My question is am I not doing the vats process correct. Backstory: Obtained two identical 2015 Camaro 1LEs with LS3/TR6060; one wrecked with good drivetrain, the other a theft with no engine/transmission. This link explains it pretty well. PASSKEY 3 AND PASSKEY 3+ In this system, the vehicle theft deterrent functions are provided by the theft deterrent control module. repeat 2 more times. The sections that follow will help you identify the system and describe how to do the relearn. If at any time the Jul 24, 2012 · GM made several different types of anti-theft systems. New ignition keys must always be matched to the learned code in the VATS control module. The VATS happened after the truck sat for a while with both batteries removed. remain in the OFF position for no less than 30 seconds. 0 v6 needs a new ecm, i installed a new ecm with the understanding hptuners can program it, was able to wirite the vin and everything but i cant program the key to the new computer. Attempted to rectify that, to no avail. (Mine did not start. (Security light will turn on. COM has put this guide together for performing a VATS relearn on your 2017, 2018, 2019, 2020, or 2021 L5P 6. 0 stock liters of diesel goodness Peace Through Torque Punisher Performance DSP5 Tuning, PPE Dual CP3's, 68mm Fleece Cheetah, Punisher Built trans w/ Suncoast Parts, Airdog 165, SoCal 100% Overs, ARP Studs Apr 24, 2014 · This is why the security light turns on and shuts down your vehicle. VATS, PassKey, and PassLock. Vats security relearn, required so that the PCM and BCM exchange the same security seed code. It did not work. 72 ohms? did the matched resistor by pass under steering column with 2 white wires still same starter disabled , i checked resistance from 2 white wires coming from the key before the resistor bypass and still had 4. While the Passlock and Passkey systems are slightly different than VATS the trouble shooting them is fairly similar. Just turn the ignition key to "on" and leave alone for 10 minutes, then the security light goes off, then start the car. in ij ze ra ax uu vh fj cn ti