1998 chevy silverado passlock bypass. 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. To find these wires, look for three wires that at some point are wrapped together, coming from the ignition barrel. Have the security turned off in the ECU. Mar 21, 2025 · If you’re having issues with your car’s anti-theft system and theft deterrent modules, here’s how to bypass and permanently disable the GM PassLock 3 system. Jul 18, 2023 · A shop (usually called a speed shop) that can tune chevy ecu's. This is the route I always recommend to people having Passlock issues in the '98+ trucks. Oct 29, 2014 · Basically, the Passlock 2 security system disables the fuel supply if the computer doesn't recognize the keyed ignition lock cylinder is turning legitimately. . You could buy a tuner setup (HP tuners) but if all you are having is the security turned off it would be cheaper to have a shop just do it. Quick rundown of the procedure to bypass a passlock key system. 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. The turning cylinder has 2 small magnets and as it turns past a coil - more or less - creates a hall effect. May 26, 2025 · The PassLock system might be the culprit. Mar 25, 2020 · You may be already aware of this, but a good mail order tuner like Black Bear Performance (or any local tuner who uses HPTuners software) can disable the Passlock system entirely in the PCM. uuq jhxru gmixyhu kyjahqja daphp xvjnh kiln orjbrft bkmf qjekj