Questions & Answers for: GMC Yukon XL passlock start

...start anymore. VATS, PASSkey and Passlock immobilizer systems are killing cars all over North America, they have a short lifespan and are certainly more effective against owners than thieves. Here is ...

Passlock Sensor Data Code and/or passwords on the next ignition switch transition from OFF to CRANK. Important: The vehicle learns the password on the next ignition switch transition from OFF to CRANK

start the vehicle. The ignition key turns the lock cylinder. The cylinder rotation produces an analog voltage code in the Passlock?"¢ sensor. This voltage code is received by the BCM. The BCM compares

...passlock faillure turning the key to start but nothings happening That's not passlock. Unless you didn't state what is happening. Security will start the engine and shut in down in 2 seconds. If it ...