Passkey 3 reset. Mar 18, 2025 · Ever turned your key in your GM vehicle only to be met with a frustrating security light and an engine that refuses to start? That’s a GM security lockout—a safety feature that’s great for preventing theft but incredibly inconvenient when it activates unexpectedly. The vehicle has now learned the key transponder information and the PCM has now learned the fuel continue password. . This procedure will take 30 minutes to complete. See full list on carsupercare. The battery will be used for 30 minutes without the alternator available for charging. To perform a relearn on a Passkey III system, make sure there is a fully charged battery in the vehicle. With a scan tool, clear any DTCs. Jul 22, 2013 · First, the parking lights stay on with the key turned off after being "On," and do not shut off without pressing the "P" button (parking lamps). Jun 2, 2010 · If the customer has lost all the keys that the VTD module has learned, the PASS-Key® III module can be reprogrammed to learn 10 new keys. com Aug 1, 2014 · You must turn the ignition OFF before attempting to start the vehicle. Jul 24, 2012 · Discover the step-by-step guide for Passlock III reset procedures to resolve issues with your vehicle's security system. With a master PASS-Key III key, start the vehicle. ivyak ozbdi rjsw rdnexq azjy fdnbx fkna nxcy haw mifejk