When the ignition cylinders go bad on most GM vehicles, this will cause the security or theft light to come on or flash. In the mid 1990s, the first Passlock systems were introduced and are still used to this day. Cool Automotive Products and Tool Recommendations, Read AUTO REPAIR ARTICLES sorted by topic, Passlock Reset procedure. C $14.77. That saves a lot of time because you don’t have to refer back to the component locator or circuit locations. The resistor takes the place of the circuitry in the passlock module. The SECURITY light will illuminate. 33 minute re-learn procedure does not help - SECURITY light stays on. Re-connect the two outside connectors to the Body Control Module. 4. They include wiring diagrams and technical service bulletins. The three wires can be accessed by removing the radio from the dashboard, and reaching through a hole in the radio compartment toward the steering wheel. 1997 - 2003 Chevrolet Malibu if you notice that your "security" light is illuminated in your instrument cluster, along with a no-start, it usually means you have a faulty passlock module. Impala Car Chevrolet Impala Chevy Ferrari F12 Tdf Ferrari Car Car Drawing Easy Ferrari Convertible Ferrari 458 Italia Spider. Inspect the connectors carefully to make sure they are not corroded. Turn the key to OFF and wait 10 seconds. When it does, Turn the ignition OFF for five (5) seconds, and then try to re-start the car. Now you have created the module in the right side of the above photo. It will get under your skin really bad the third time, and after that, you will start kicking the dash and swearing. Shake the unit and listen for water inside. Brand New. When it does, Turn the ignition OFF for five (5) seconds, and then try to re-start the car. HERE IS THE LINK GM Passkey NO start Bypass. If they are wrapped with black fabric tape, unwrap them and separate the three wires so you can determine which is yellow, black, and white. When you've finished the above steps, you will have the two parts shown on the right side of the above photo. The vehicle has now learned the Passlock Sensor Data Code and/or password. Push the stripped end of the yellow wire into the other terminal of your Dummy Passlock Sensor (see photo) and tighten the screw to secure it in place. If not, don't give up. Eautorepair.net redraws factory wiring diagrams in color and includes the component, splice and ground locations right in their diagrams. If successful, re-install your radio and bezel, gather up your tools, pat yourself on the back, stuff an envelope full of as much cash as you think my advise was worth, and send it to: OR ... You are driving along, and for no apparent reason, the "SECURITY" light comes on solid and stays on. Insulate the ends of the two wires that go to the ignition switch, and push them back out of the way. 2. Disconnect all three connectors from the Body Control Module. If your local Radio Shack store has gone out of business, you can order the parts from Digi-Key Electronics. There are two methods of … 6. Top Rated Seller Top Rated Seller. It may help to print out a copy of this website and bring it along so the GM mechanic can familiarize himself with the Passlock II system. Following the instructions in this writeup will save you over $300.00 If this article helps you fix your GM Passlock Security Problem on your Pontiac Grand Am or Alero, put two dollars in an envelope and send it to: Security Fix 1131 Outer Drive Fenton, MI 48430: Introduction: 2002 Impala passlock / security light problem 24 Answers. When it does, Turn the ignition OFF for five (5) seconds, and then try to re-start the car. (about 2200 ohms. If you find one who does, E-mail me with the dealer's name, and the name of the mechanic. Unfortunately, a few weeks later, you will probably have to go through the entire routine again. Right click on it and choose "View Image" to get a full size view of the wiring diagram. The fault is almost always in the lock cylinder case sensor or the wires from. It can be VATS , Passkey or Passlock anti theft system that is going bad causing your issue. since 2015, passlock modules have been obsolete from gm. Leave the center connector hanging down. Security light should turn on and stay on. 1999 - 2004 Pontiac Grand Am, The problem is usually caused by the "Passlock Sensor", which is part of the Ignition Lock Module. 2. This article describes how to: Go to Radio Shack and buy a Mini Terminal Block, and a package of 2200 ohm (2.2k-Ohm) resistors. In GM cars, there is a bundle of three wires which go from the Body Control Module to the Ignition Switch. Brand New. Alldatadiy.com, on the other hand, uses the factory diagrams. You are finished with them. (not the plug on the BCM, but the connector on the end of the wiring harness.) You try to start your GM car. If the above 10 minute re-learn procedure did not turn off your "SECURITY" light and enable you to start your vehicle, There are three other components which may be causing your problems. They are Black (analog return), White (power), and Yellow (analog data). Checking for codes revealed there was an invalid Passlock signal from the ignition cylinder. Here it is in it's entirity. 7. Lock cylinder case. They will be near the end of the switch where the key is inserted. If it doesn’t start or run and release the key to the ON position and complete the rest of the steps. 6. Then turn the ignition to OFF before attempting to start the engine again.". If it starts and run, the system has reset. 8. Connect the battery cable back to the battery. Used sand paper to clean them, and good to go. Turn key to the “ON” position without starting the engine. At NEWROCKIES Inc., we’ve designed our PRO Bypass Module with the specific purpose of bypassing faulty GM VATS, Passkey and Passlock security systems IN FULL. I noticed that when I park the truck and remove the key that the stereo and a/c fan still run "TILL I OPEN THE DOOR!!" Use a 5/16 inch socket to remove the three screws holding the radio in place. (Nothing is a sure thing!). The SECURITY light will illuminate. 7. So you have to refer to the factory legends to learn the identification symbols and then refer back to circuit diagrams to find the splice and ground locations. Start the engine. If it doesn’t start or run and release the key to the ON position and complete the rest of the steps. (The color code for the resistor is three red bands.) Wait for 10 minutes or until the security light turns off. Insert the Key into the ignition switch and try to start the car. In most cases, their diagrams are right from the factory manuals. The Yellow wire is circuit #1836, and this is the wire that furnishes an analog signal to the Body Control Module to tell it that a key has been used to turn the lock cylinder to the ON position. If there is no problem with the Body Control Module, slide it back in place, making sure it is secure in it's mount. Wait 10 minutes until it turns off. Then you can set the bezel aside. Wait 10 minutes until it turns off. Unlike the General Motors PASSKey I/II, VATS, PASSKey III, or keyless, the security of the PassLock system is built into the lock and is … Keep the warranty sticker undamaged but you probably can't buy just one. Here are links to the 2.2k-ohm Resistor and the Terminal Block, NOTE: IF YOU WANT TO AVOID BUILDING THE DUMMY PASSLOCK SENSOR, YOU CAN BUY ONE ON E-BAY. Gm Passlock Bypass Kit. Saved by Me Saad. The Body Control Moudle should re-learn the security signal, and the "SECURITY" light should go out. Takle one of the 2200 ohm resistors and bend the leads as I'm doing here. Then cut off the excess lead wire. Insert the resistor leads into one side of the terminal block and tighten the terminal screws down on both the leads. A security resistor inside the Passlock … Pricing: ---Eautorepair.net--- 1 month subscription $19.95 per vehicle 1-year subscription $29.95 per vehicle 4-year subscription $44.95 per vehicle ---Alldatadiy.com--- 1-year $29.95 subscription: additional vehicles $19/95 each 5-year $49.95 subscription: additional vehicles $34.95 each Which one should YOU choose? However, it isn't uncommon for GM car owners to experience glitches with their passlock system when trying to start their vehicle. From United States. Cut the yellow wire, and the black wire, leaving as much wire as possible on the ends that do not go to the ignition switch. The fix is to install a new lock cylinder. This arrangement enables the tamper sensor to engage first in the event a thief attempts to bypass the Passlock sensor by placing a large magnet around the area of the steering column. This article describes how to bypass the "Passlock Sensor" on several models of GM cars. Turn off for 5 seconds then Leave in ON position for 10 min, crank it but not start it...then off for 5 seconds, then do the 10 minutes in ON position again then off...crank it...off for 5 seconds and ON position again for 10 min then off, then crank it and off for 5 seconds then ON for 10 minutes then off. 9. With a scan tool, clear any DTCs if needed. This normally works! Passlock Reset procedure. The passlock circuits for the 2002 Grand Am, The modification to the passlock circuit for the 2002 Grand Am. Common Passlock module failure symptoms: no start, SECURITY light stays on. With an Ohmmeter, measure the resistance between pins A6 and B6 of the center connector. 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