How do I reset my GM PASSLock?

How do I reset my GM PASSLock?

How to Reset the Passlock System on GM Cars

1. Insert your key in the starter, start you car as you usually would and let it stall. Keep the key in the “On” position.
2. Wait until the “Theft Sys” light on your dashboard stays on without blinking. This will take approximately 10 to 15 minutes.

How long does it take to reset PassLock on a Chevy?

Reset security system on chevy, buick, oldsmobile, cadillac, pontiac, saturn, hummer. Make sure the battery if fully charged because this procedure may take up to 30 minutes and you cannot start the vehicle during this time. The instrument panel cluster (IPC).

How does the PassLock system on a GM car work?

The PassLock system works when the lock cylinder moves a magnet past a Hall effect sensor. The sensor then sends a signal to the control, which GM has moved several times over the model years. The control then sends the code to the PCM.

How long does it take to turn off PassLock sensor?

Observe the SECURITY telltale, after approximately 10 minutes the telltale will turn OFF The vehicle learns the Passlock™ Sensor Data Code and/or password on the next ignition switch transition from OFF to Crank. You must turn the ignition OFF before attempting to start the vehicle.

How often does a GM PassLock light flash?

You need a scan tool. If the signal is not correct, the PCM disables the injector and the starter and flashes the light once per second. If an illegitimate key is used or a system problem exists, the light flashes twice per second. This system allows starter operation, then kills the injectors 1-2 seconds after startup.

How to reset PassLock reset system on Chevy?

1. Turn the key to ON and attempt to start the engine and release the key to the ON position. 2. The SECURITY light will illuminate. Wait 10 minutes until it turns off. 3. Turn the key to OFF for 10 seconds. 4. Turn the key to ON and attempt to start the engine.

What to do if your car won’t start at PassLock?

A red (or yellow) “security” warning light will stay illuminated and the engine will either a) never start or b) start for a moment and then shut down. A temporary fix is to leave your key in the ignition, at the “auxiliary” position for about 10-15 minutes until the security light shuts off.

What does it mean to have a PassLock on your car?

Temporary fixes are a pain in the butt, but permanent solutions can get quite expensive. Passlock is an immobilizer introduced by GM in many mid-to-late 1990’s vehicles. Immobilizers are “electronic security device fitted to an automobile that prevents the engine from running unless the correct key (or token) is present.”

What is the system fault code for PassLock security?

When the sensor defect starts, it usually presents itself as system fault code B2960. A red (or yellow) “security” warning light will stay illuminated and the engine will either a) never start or b) start for a moment and then shut down.