Passlock Bypass Diagram. Many people call the resistor pellet a “chip” due to t

Many people call the resistor pellet a “chip” due to the common misconception that Jun 26, 2025 · We'll be dissecting a typical theft deterrent ignition switch wiring Passlock bypass diagram, explaining each component and its function. Schematic of the theft deterrent system is shown below. Oct 10, 2021 · 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. Dashboard Mar 28, 2002 · Passlock II Resistors - I know it's a cheap way of doing a bypass, but I plan on wiring a relay and resistor (s) to bypass Passlock II. Feb 4, 2025 · Theft Deterrent Ignition Switch Wiring Passlock Bypass Diagrams and Explained Auto theft is a serious concern and manufacturers employ various anti theft system This article explores the fundamentals of the ignition switch wiring, the function of the Passlock system, and how to interpret and utilize a Passlock bypass diagram effectively. , 68k miles I'm trying to eliminate a possible reason why my car won't start. Dec 24, 2022 · Few bypass methods, but none are reliable that are aftermarket. 2k ohms) inline to simulate the sensor signal. I have both instructions for each module. I started having issues out of it going into tamper mode a couple of weeks ago, and last night the passlock module in the ignition switch completely bit the dust. Instruction said to cut yellow and black wire and leave white one PRODUCT DESCRIPTION GM PASS- Key III Plus, bypass for vehicles equipped with the new style hybrid Passlock (resistance) and Passkey 3+ (transponder) type anti-theft system. Theft Deterrent Ignition Switch Wiring Passlock Bypass Diagram. Once understood, it is very straight forward, a little bit of patience and intuition when reading the schematics. I have checked around the other sites I belong to and nobody knows much about this, so I thought who bet Explore GM Passlock security light issues, symptoms, and common fixes for anti-theft systems like VATS and Passkey. Nov 28, 2018 · Bypass PassLock Security System Should you Bypass PassLock? The GM PassLock system has a high failure rate which can leave you stranded. Find step-by-step instructions and troubleshooting tips for your vehicle's security system. Connect a resistor (typically 2. Discover how to permanently disable GM Passlock system with DIY solutions, enhancing your car's security and peace of mind. This document provides instructions for bypassing the GM Passlock 2 anti-theft system used in 1997-2005 vehicles. The Passlock™ controller reads the coded Passlock™ data signal. Make sure the resistance of the key is within the range of the resistor you install to bypass the passlock so that you don't have to do the relearn procedure Use this method to bypass a failing passlock 2 chip in an older - late 90s to 2006 ish GM vehicle, among others. Knowing how to read and interpret these diagrams is invaluable whether you're troubleshooting a malfunctioning system, preparing for an engine swap, or simply expanding your automotive knowledge. PASSLOCK-SL2 automobile accessories pdf manual download. Theoretically this would work. PASSLOCK BYPASS DIAGRAM: how to REMOVE ANTI-THEFT in FRANCEI am sorry for the long wait there are 2 ways around this passlock system 1 ) contact newrockies. Van will not start until security light on we have 7 Images about I own a 1999 GMC Safari. For the parts shown visit lesscosales online I want to connect a resistor to my passlock wires to bypass the passlock system. The easiest solution is to bypass the security wiring with a resistor matching the resistance of the key chip. Oct 8, 2023 · So what steps are needed to disable the Passlock? Grab your tools and let’s get dirty! The first step is to locate the two main components of the Passlock system – the Passlock sensor and the Passlock control module. To bypass, you may need to install a bypass module or reprogram the vehicle’s PCM to disable the immobilizer. Gm Tech CAm I would like to know the exact location of my tdm in my 95 buick riviera and in details how to uninstall it. These cars are nutorious for not starting in cold and humid weather due to the ignition switch. New to the forum, found it through a google search, I didn't now places like these existed. Circuit Description The Passlock System is provided in order to prevent vehicle theft if the ignition lock cylinder is forced to rotate. Nov 8, 2017 · Passlock bypass without tune & lock cylinder. BYPASSING THE PASSKEY III ANTI-THEFT SYSTEM Some newer GM vehicles have a factory Passkey III Immobilizer system. One large downside to this is that the car is easier to steal. THE 2 MAJOR DIFFERENCES IN THIS AS COMPARED TO EARLIER VERSIONS OF THE VATS ARE, 1: THE RESISTOR CIRCUIT IS NOW IN THE KEY CYLINDER, AND 2: THERE IS A SPECIFIC SEQUENCE THAT MUST TAKE PLACE TO ALLOW THE VEHICLE TO START. The instructions describe how to measure the resistance value using a multimeter and cutting the yellow wire, then connecting a matching resistor to bypass the system. GM VATS Known Wire Color Combinations: <br>These are most often found inside Orange Sheathing coming from the Ignition Switch. Web the passlock bypass ignition switch wiring diagram eliminates the passlock system and provides a workaround that enables the engine to start consistently. View and Download Fortin PASSLOCK-SL2 installation manual online. We go thru how to isolate the problem to this particular EVO Passlock module, then how to diagnose whether the problem is in the wiring harness or the EVO Passlock module itself. But you can get going again by using the PassLock reset procedure until you can get it fixed properly. Jan 9, 2012 · The easiest way to bypass the Passlock 2 system is to place a resistor between the passlock sensing wire and the ground reference wire. I just don't know how to go about wiring them up. Which is better? Well, here are my thoughts. Nov 28, 2011 · Looking at the diagram I asked around on how to bypass it and came up with this to bypass the passlock using a variable resistor once you figure out what the resistance reading should be. Passlock 2 bypass without module! Oct 10, 2019 · To Truly disable all of the Passlock system, you'd need to additionally go into the BCM and disable it in the software (and I haven't seen anything on how to do that), then I could bypass the Resistor and likely close that tiny switch permanently. The sensor is located on the ignition lock cylinder, usually on the upper rear area. I own a 2011 with the PassLock 2. VATS and Passlock I & II data bypass kit for Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac and Saturn vehicles. Always verify wiring connections and consult a professional to avoid security risks or electrical damage. com they sell bypass kits for these truck to install to bypass the passlock system 3 ) send the engines computer out to a computer programmer that will remove the passlock programming for the computer so it will never look for the passlock I have a 1998 cavalier that the passlock system turned on on this past wednesday, the problem i am having seems to Dec 1, 2005 · passlock bypassed with resistor - Hello, I bypassed the passlock on my 2000 yukon due to intermitend no starts with the resistor method and it starts up every time no problem but the security light is staying onany ideas??????Thanks May 4, 2020 · How to Wire Automotive SPDT Relays. Learn how to bypass the GM Passlock 2 system with a helpful diagram. I traced the wires, but they are not the typical yellow, black, and white three-wire setup like in older Chevrolet Colorado models. Need advice on how to completely bypass the anti-theft system, which seems to be beyond repair. Jun 10, 2012 · The Passlock™ system is provided in order to prevent vehicle theft if the ignition lock cylinder is forced to rotate. This way, the body control module will consistently receive the necessary input. The security light turns on 2-5 minutes into every other drive and I'd say one out of every 10 starts it decides to give me the flashing security light of doom with a 2 second start and run before it dies. •Disable Pass Lock system to prevent… Learn how to bypass Passkey 3 system with the help of a bypass diagram. Anyway, got frustrated and attempted the bypass trick using a resistor. THIS SYSTEM IS STILL BEING USED IN 2005 VEHICLES. This procedure is required because a remote start system will not function with the current Theft Deterrent System (Passlock) which is included on many 1996 and up GM vehicles. My question is what is a good selection of resistors to buy so I'm preppared to do this install? How to troubleshoot/bypass a GM VATS Passlock Passkey System obs GM truck passlock 2 bypass kit install to eliminate security light and starting and dieing How to reach the ECM and bypass the GM Passkey 2 System This instructions are for Installing the NEWROCKIES PRO Module to bypass the PassKEY 2 Security System at the ECM. The PKUCG2X also features an extra output designed to activate the Chrysler MUX circuit. Mar 2, 2024 · Unlocking the secrets of theft system anti theft passlock bypass diagram. Being a manual transmission I had the parking brake set. Programming the new passlock lock cylinder sensor You can replace the lock cylinder case yourself and perform a minute relearn procedure without the use of a scan tool. It boils down to perhaps wanting to simply bypass the system and install a toggle start or something. This may take three tries at 10 minutes inte Jul 22, 2013 · Passenger Cars, Mini Vans, SUV Service and Repairs. Sep 24, 2010 · Once I had determined without a doubt that the problem with my system was a faulty Passlock module in my ignition switch, I decided that I would bypass my system, using the resistor method. This also will bypass the passlock Jun 11, 2002 · I can barely read that Passlock bypass diagram you link to, but it looks to be about right. The data consists of a voltage generated by a voltage divider network created between the Passlock™ assembly and the Passlock™ controller. But it can run the vehicle's engine in an emergency. To bypass, locate the Passlock sensor on the steering column, then find and cut the yellow/black wire. A unique FULL and Universal Bypass Module to PERMANENTLY DISABLE the ENTIRE immobilizer system, which can often be removed from the car. Some of them may be willing to do just a Passlock disable for cheaper though. My sisters 2000 Chevy Venture is stuck in my driveway. May 29, 2009 · Learn how the different versions of GM's Passlock and Passkey immobilizer system work to prevent theft and how to diagnose them Nov 13, 2013 · Passlock 2 Manual Bypass - I have a 2006 Chevy Express 3500 Cube van that I am installing a remote start and alarm system in and would like to bypass the Passlock 2 without having to buy the bypass module. Basically the cars computer reads a resistance signal from the key cylinder in order to let the fuel injectors turn on. IMPORTANT: The vehicle learns the Passlock Sensor Data Code and/or password on the next ignition switch transition from OFF to CRANK. I tried the relearn, but no go. The LED will turn off to indicate the module has been programmed for either Apr 10, 2025 · Bypass Passlock easily with our step-by-step guide for GM owners to ensure reliable vehicle starting. Dec 9, 2016 · [ad_1] Purpose The following instructions will allow you to disable the PassLock security in quite a few GM Vehicles. The passkey III uses the help of the body control unit to power the ignition. This is a problem prone issue on GM vehicles and this is the fix Jan 21, 2014 · So, I couldn find any thread that could confirm exactly how to bypass the passlock on my 98 k2500. blogspot Mar 24, 2023 · Okay. Web the easiest way to bypass the passlock 2 system is to place a resistor between the passlock sensing wire and the ground reference wire. Feb 13, 2013 · Go on ebay and type in vats bypass, there is a guy selling them for $20. Keep the programming button pressed while turning to the ignition ON. Like others, it would sometimes fail to start, and I'd have the red security light blinking for 10 minutes with ignition to on position, and would usually start on the second attempt. My question is, I tripped the Passlock system on my 97 Sunf Aug 29, 2025 · Passlock Bypass Diagram and Methods (For Emergency/Diagnostic Use ONLY) Bypassing Passlock is significantly more complex than bypassing VATS. Instead, a common, though unreliable, method involves a 30-minute relearn procedure. Dec 9, 2020 · 2. A blinking security light indicates the Passlock anti-theft system is active, disabling fuel injectors to prevent starting. The components and workings of this security system. Wire Cutters/scissors 2. your passlock wire colors may differ though i suggest looking at a manual for xk06 and it will show you Oct 10, 2007 · The bypass kit has a blue (-) input wire to trigger the bypass unit for passlock, however, the alarm has ignition 1 and 2, but no ignition 3 that can send a negative output. now I need to Install the Patsk - 300 GM Passlock 1 & 2 Bypass Module and don't understand the small amout of information diagram. VATS/PASSKEY Diagram for 8-Pin Harness on IF Bypass Module: This is a DIAGRAM for GM’s VATS/PASSKEY ANTI-THEFT system for the IF BYPASS MODULE. Jun 2, 2010 · Passkey III - Hi everyone,Sure hope someone can give me some advice on this Pass-Key III system. This is inadvisable because the pump is too easily left on with the engine not running which can result in the pump being burned out. 1 Press the programming button while inserting the wire harness into GM DATA (PK3 - Passlock) module. So, I have a passkey 3 system in my car and I'm trying to bypass it with a "directed 555g passkey 3 immobilizer bypass module" and I'm also trying to install an "easy guard push button engine start stop system" as well. Electrical Tape Disconnect the passlock sensor located at the base of the steering column and connect it using the resistor. vehicle will then start and stay running. I don't want to do the resistor mod Mar 18, 2022 · I found several how-to's on the interwebs about the passlock bypass that involves cutting the white wire with a blue stripe with the engine running. I believe it's got to do with the passlock system. I have read dozens of threads, but can't find the help I need. The diagram below outlines the bypass procedure. Went to do the common resistor bypass but learned that there is a third party bypass module already installed, and I am not working with stock, clean wiring. Yes this makes the job somewhat easier for crooks to hot wire your vehicule, but most theifs know their way around the PK2 system. After some research and studying the wiring diagrams it seems plausible that you could cut the fuel pump relay wire and run it directly into the "hot when on or GM PASSLOCK 1 BYPASS THE GM PASSLOCK SYSTEM STARTED IN 1995/96 VEHICLES. For the 2011 Colorado and Canyon there were two available systems, in the USA PassLock 2 was utilized whereas vehicles outside the USA, sold in Canada and Europe, they were outfitted with the BAE or PassLock 3. PLJX is an auto learning override module designed to bypass all GM vehicles equipped with Passlock I , Passlock II, VATS & the new style Passlock found in the Saturn Ion, GM Canyon, Colorado, Cobalt, Pursuit & H3 Hummer. Nov 9, 2017 · The only fix for this is the "wire cut" method (or other wired in passlock bypass method) Or to make sure all components of the ignition system are in perfect working order. May 4, 2020 · How to Wire Automotive SPDT Relays. Web web how to override bypass a gm passlock 1 2 & vats factory anti theft system passkey in gm cars, there is a bundle of three wires which go from the body control module to. Xpresskit Solex PLJX automobile accessories pdf manual download. 2004 Saturn Ion Passlock II Bypass we have 7 Pics about 2004 Saturn Ion Passlock II Bypass like I have a 2003 Chevy Tahoe and am having constant problems with the, VATS bypass - LS1TECH and also Pats Bypass Module Wiring Diagram - Wiring Diagram Schemas. Do you know how to measure the car's R-code with a multimeter? If not, I'll tell you. The Passlock controller reads the coded Passlock data signal. I assume no responsibility if you harm your vehicle with this mod. Sometimes there are times when the engine will not crank and a PassLock light will be on, but the cause of the no crank is something other than PassLock. Any 99-02 Truck BCM will work ? Jump to Latest 19K views 13 replies 2 participants last post by LATECH Nov 11, 2017 W Jun 14, 2024 · Learn how to bypass your GM Passlock system with our easy-to-follow guide. There's no single resistor value to simulate. Oct 2, 2025 · A passlock bypass diagram helps in understanding how to correctly wire the bypass module or modify the ignition switch wiring to disable the passlock system, which is necessary when replacing the ignition switch or making security system alterations. It uses a calibrated resistance in the ignition cylinder to provide a code to the body control module. 2k ohm resistor and connected it and all and it didn't start. Feb 12, 2004 · Passlock problem with 97 Sunfire - Hi. This kit includes everything needed to bypass the Key part of the VATS system: VATS Bypass PCB Solder Heat Shrink Complete Instruction The VATS system: The GM VATS (Vehicle Anti-Theft System) system uses a black resistor pellet in the metal part of the Nov 28, 2018 · The GM immobilizer systems have gone through several iterations. net HARNESS that are marked in ‘RED” for VATS/PASSKEY system. Learn how to wire automotive SPDT relays for the GM Vehicle Anti-Theft System with Passkey. Is it possible i can just add a relay to make it turn (+) into a negative (-) or can i connect it to someother wire that gives negative during crank or run? View and Download Directed Electronics Xpresskit Solex PLJX installation manual online. I found that having the peace of mind of reliable starting system outweighs Jul 24, 2012 · Discover the step-by-step guide for Passlock III reset procedures to resolve issues with your vehicle's security system. IN ADDITION The Requirement For Passkey III Theft Deterrent Module Bypass In some cases, it becomes necessary for the owners to perform the passkey III theft deterrent module bypass. VEHICLES INCLUDED ARE THE CAVALIER, SUNFIRE, GRAND AM, OLDS ACHIEVA, AND BUICK SKYLARK. Then use the diagram and check the resistance (ohms) of each wire from sensor to module. You can deter-mine which type of system is being used by referencing the Vehicle Application Guide section in this manual. To check if the lock cylinder is aligned and in place when the car starts, it uses a conventional metal key that was once used and recorded voltage measurements obtained by a hall effect sensor. •Avoid Costly repairs for an already broken PassLock System. The security light is on and it wont start. 791P BYPASS MODULE INSTALLATION DIAGRAM: for PASSLOCK 2 on GM Vehicles This is a BASIC Installtion Diagram used when Installing the 791 Bypass Module to GM's PASSLOCK2 Anti-theft System. In the two years I've owned the vehicle, I've had about four occasions where the truck refused to start presumably because of Passlock. Can't ask the seller about the system/wiring as we left on bad terms. Your vehicle randomly stops working. There is a "security" message on The ignition lock cylinder can be replaced, but this requires that new security keys also be made and this can be expensive. Fixing my GM Passlock Problem Once and For All (2004 Chevrolet Impala) The PassLock system was designed to prevent vehicle theft by disabling fuel to the engine if attempts are made to start the Mar 16, 2002 · GM Passlock Bypass Module, 2000 Pontiac Sunfire - Hi, I just Installed a ProStart remote starter from Can. Nov 9, 2010 · How to: Permanently disable the passlock II system. This tricks the system into allowing fuel flow. <br>Yellow and Yellow <br>White and White <br>White, Yellow, and Black <br>Red/White, Yello Jul 24, 2012 · Click here to see the trouble codes for a PassLock system Click here to see a typical PassLock wiring diagram IF you have a PassKEY system, click here to see the reset procedure GM anti-theft systems, vehicle theft deterrent, passkey, passlock, VATS, how they work, how to fix, and how to reset. Self learning, no additional programming required, no key required. This is one in a series of Passlock fixes articles. Jun 22, 2010 · 2004 Saturn Ion Passlock II Bypass - Hi,I have a question about Passlock II on a 2004 Saturn ION. Ford vehicles are known for their. The common problem is breakage of the wires coming off the igntion lock cylinder. The security light turns on. Wire colors may vary by year. When the system fails, you have two options; fix it or bypass your PassLock Security System. I'm taking electronics engineering (technologist, 2nd year) and think I'll be spending alot of time here lol. The fix is either to replace the ignition lock cylinder, or to bypass the wiring with a resistor as shown in the diagram below. PassLock is an anti-theft feature designed to prevent unauthorized engine starts. It kept going through the theft light flashing. 91 olds regency 98 elite won't start,, putting out message that states please clean key and try again in 3 min,,,, any Mar 21, 2018 · 2001 Sunfire Passlock 2 Bypass - I went to a local shop and got a 2. Mar 21, 2025 · If your GM vehicle’s PassLock system is preventing your car from starting, you may need to figure out how to permanently disable and bypass it. Learn about bypass methods, system anatomy, and security risks. Chrysler transponder bypass kit for all 2nd generation encrypted Sentry key immobilizer. It is a really simple system similar to their older PASS-Key system. Feb 2, 2025 · Ignition Switch Wiring Understanding Passlock Bypass Diagrams Many car owners have encountered the frustrating experience of a malfunctioning ignition system of Dec 2, 2024 · Uploading a downloadable PDF guide to bypassing the passlock system in your 1997-2004 GM N body car which include: 1997-2003 Chevrolet Malibu 1999-2004 Oldsmobile Alero 1999-2004 Pontiac Grand AM Feb 4, 2010 · 04 saturn ion passlock bypass - I have an 04 saturn ion that fails to start sometimes. This probably should work for any full size 2003-2007 (classic) GM truck or 2003-2006 SUV. To find these wires, look for three wires that at some point are wrapped together, coming from the ignition barrel. Because Passlock II only deactivates the fuel pump, another way to completely bypass the Passlock II system is to hotwire the fuel pump to run off a manual switch. I did a quick fix that was posted on this forum first Feb 5, 2014 · I can't get my truck to start. Jul 23, 2024 · Unlocking the secrets of resistor passlock bypass diagram! Learn about circuit design, practical implementation, security implications, and. In order to use a remote start without tripping the Passlock II security system, it must be installed with a relay and resistor or some other type of bypass that tricks the Passlock II system into thinking a key is turning the lock. Jan 13, 2017 · What makes the Hummer unique is that there is much incomplete or incorrect information out there and the most challenging thing is the bypass of the PASSLOCK 2, which GM used on a limited amount of vehicles. May 13, 2004 · Pretty funny derek123, If you wanna by a 50$ module to do you passlock job then do it! I done about 20 car with this method and never had problem with the passlock anymore, and by the way, I active this part of the circuit with the ground out of the RS so the passlock is still there I got this tip from a 30 yrs of experience technician. I followed the instructions exactly. GM Vehicle Anti-Theft System - Passkey II. GM Passlock Security Fix Now that you have found the Passlock II wires and gained access to them, it's time to get down to the real work of bypassing the security module so that you aren't bothered again by the blinking "SECURITY" light. Jan 17, 2021 · Here is a simple procedure for bypassing the passlock 2 security system in our trucks. I want to bypass this security system all together. Jul 11, 2017 · In this video I will show you how to troubleshoot and repair or bypass if you wish, a GM anti-theft system that has a resistor "pellet" in the key. 00 free shipping. Dec 22, 2012 · 2004 Chevy Colorado Security Bypass - Hi all, A lot of you guys may know all about the Colorado and GM's Passlock II system. We’ll walk through proven methods to permanently disable GM PassLock system, so you can get back on the road without those frustrating no-start situations. Dec 24, 2022 · The engine will crank and either start and immediately shut down or just not start. <br>Yellow and Yellow <br>White and White <br>White, Yellow, and Black <br>Red/White, Ye 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. . Let's say that I've conducted all necessary fuel and spark tests, and everything about the car seems fine, except it cranks Jul 24, 2012 · Perform a Passlock reset procedure on your GM Vehicle How to perform a PassLock Reset Procedure GM’s PassLock anti-theft system is plagued with problems and they can leave you stranded. Get back on the road quickly and efficiently with our expert instructions. You will ONLY need to use the wires in the diagramweb. You can also permanently bypass Passlock forever by using just plain resistors, no relays or anything else. Wanting to bypass passlock system2008 grand prix. GM has four generations of anti-theft systems. Vats diagram wiring bypass pass key system c4 1991 camaro theft module going crank bcm shbox simpler delete removal starting Passlock 1 Bypass Diagram I own a 1999 GMC Safari. The data consists of a voltage generated by a voltage divider network created between the Passlock assembly and the Passlock controller. 2 Start the engine with the key. The LED will turn ON to indicate the programming mode. Bypassing the starting relay won’t help as the PCM cuts fuel based on sensor input. GM PASSLOCK 2 BYPASS IN 1997 GM INTRODUCED A NEW ANTI-THEFT SYSTEM. Locksmithing 101:VATS key quit working? A common problem with older GM vehicles is the vats system stops working! This is where the Vats Bypass Module comes I have a 1998 cavalier that the passlock system turned on on this past wednesday, the problem i am having seems to Learn how to bypass the Passlock 3 security system in Chevy Silverado models to resolve no-start issues effectively. •This will allow you to install a remote starter and not have to purchase a bypass. Mar 28, 2007 · transponder based bypass method - I found this diagram of a method for bypassing most transponder based oem anti-theft security systems. Discover the known wire color combinations and find out where to locate them inside the orange sheathing from the ignition switch. Customer: i have a 1998 cavalier that the passlock system turned on on this past wednesday, the problem i am having seems to differ from most of the others in that it doesnt even turn over, all of the dash lights come on fine however thats where it stops, the Theft System light is on and solid, it does not blink at all, i tried changing the Feb 9, 2015 · My 2006 Colorado is having intermittent Passlock issues. You must turn the ignition OFF before attempting to start the vehicle. Mar 26, 2019 · My truck is having annoying Passlock/VATS issues. Release the programming button once the LED flashes rapidly. After I try and Home > VATS and PASSKey Vehicle Anti-Theft Systems VATS and PASSKey Vehicle Anti-Theft Systems General Information 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. It's a mess down there. and the crew at SMA show you how to bypass the security system on older GM's that use the resistor pellet chip key also know as the VAT Jul 18, 2023 · Flagship says they pulled passlock 2 from my VIN but I have passlock 3 keysnot plus and not stamped on the blade but definitely the same shape. Feb 2, 2025 · Ignition Switch Wiring Understanding Passlock Bypass Diagrams Many car owners have encountered the frustrating experience of a malfunctioning ignition system of Here is how to permanently and effectively get rid of your problematic GM factory anti theft system woes. Oct 29, 2014 · Ive recently become victim of the passlock system on my 99 gmc suburban 1500 4x4. If the R-Code is Jan 29, 2006 · PASSLOCK I or II DISABLEMENT The following is a procedure to disable Passlock I or II Systems for vehicles in which remote start/stop system installations are required. Have any of you tried such a thing and is it feasible and if it is, what is used to wrap around the key and cylinder? Gm by passlock 2 systerm gm 2000 gmc yukon. How to Override Bypass a GM Passlock 1 2 & VATS Factory Anti Theft System passkey In GM cars, there is a bundle of three wires which go from the Body Control Module to the Ignition Switch. This simplifies the installation process and eliminates the use of relays as described below Many 1998-Up General Motors come equipped with a Passlock passive anti-theft system. Source: geophysics-exploration. Here are some of the pieces written by our ace author. Engine running with no security light on, I cut the white wire with blue stripe. Additionally, it covers the tools required, step-by-step wiring procedures, and safety considerations to ensure a successful bypass without compromising vehicle security. BYPASSING THE PASSLOCK II ANTI-THEFT SYSTEM NOTE: It is strongly recommended that a Passlock II Bypass module is purchased and used for this process. Following are some conditions that might persuade you to conduct a passkey III theft deterrent module bypass. Feb 13, 2010 · go to downloads section of this site and search for passlock 2 wiring diagram. Jan 31, 2013 · GM's theft passlock system was designed to prevent theft. Get expert repair insights on RepairPal. The first double pin con Jan 20, 2018 · Learn how Passlock works to prevent vehicle theft by shutting off fuel injectors. EDIT - The cheap resistor bypass does require modification to wiring, though. IT USES A CALIBRATED RESISTANCE IN THE IGNITION CYLINDER TO PROVIDE A CODE TO THE BODY FUNCTION COMPUTER. Data Bus Doorlock Alarm & GM Passkey/Passlock Interface: Lock/Unlock, Driver's Priority Unlock, Trunk/Hatch, OEM Security Arm/Disarm, Door trigger Output (-) & Override the 2nd /3rd generation GM Passkey3 Transponder Immobilizer & Passlock 2 Immobilizer via data bus. I was wondering if I can read the resistance between the white and WHITE/ black wire while turning the key and then put a resistor from the bcm side of teh white to the ground (white with a blk stripe) and bypass Disconnect battery, then unplug the passlock sensor (steering column) and unplug EVO/Passlock module (under center dash). The Passlock system disables fuel injection if the security sensor detects unauthorized access. I used the diagram for an 06 torrent and worked just fine. But occasionally, a glitch prevents the owner from starting the vehicle. Tire, on a 2000 Pontiac Sunfire Std. Jun 25, 2019 · Learn how GM's Passlock antitheft system works and keeps your vehicle secure with a normal ignition key and no transponder. Apr 9, 2018 · Electronics - Tech: How to bypass VATS - Special thanks to contributors: Tuned Performance , Tibo , scooter The following outlines multiple methods of defeating the Vehicle Theft Deterrent System and when each method is appropriate. ( follow the directions, this includes stepping one! ) Vehicle Information: 2006 Chevrolet Colorado, Z71, Crew Cab Tool Needed: 1. GM Vehicle Anti-Theft System - Passkey. This is done where the wiring exits the steering column. Dec 9, 2020 · I have a 2000 Silverado 1500 with an aftermarket remote start that was installed years ago and before I purchased the truck. May 26, 2025 · The PassLock system might be the culprit. Flagship's CS is a joke and how are they getting passlock 2 from my VIN? Everything I have read is saying this truck is 3. Get step-by-step instructions to easily bypass your GM vehicle's security system. These wires carry the signal from the chip in the key to the antitheft module. In this video Eric O. Description 1989-2002 Camaro & 1988-2002 Firebird VATS Bypass Also see VATS bypass module. (No Trucks) - Bypass Passkey 3 - 2003 Buick LeSabre, 3800 6 cyl. 3 wire hook up, black wire to ground, red wire to 12v on ignition, and white wire to dark blue 5v vats reference wire. Alternatively, use a compatible ignition switch with the anti-theft feature. Come along as I show you how to bypass the Passlock™ security system that GM used in their older pickups and cars. The wires that are needed for this Installation are marked in RED in this diagram, all others to be taped up and do not use. The IMPORTANT! Before beginning the installation, make sure that you are connecting to the correct type of Passlock system (either Passlock I or Passlock II). Mar 25, 2020 · Most mail order companies will do it as part of their tuning process, which is usually around $300. . IF YOU OWN ANY OF THESE GM, CHEVY, OLDSMOBILE, PONTIAC, CADILLAC VEHICLES FROM 1996-2005 WATCH THIS VIDEO IN FULL ON HOW TO BYPASS THE PASSLOCK IGNITION SYSTEM WITH A 25 CENT RESISTOR. This video shows how to bypass the anti-theft circuit on a 2007 Chevy Silverado (Classic) 2500HD Diesel. PassLock will not prevent the engine from cranking. Most people want to know the difference between passkey versus passlock.