What does the security light mean on a 2003 Chevy Impala?
Now there are several different things that can cause this code but the most common is a failing passkey sensor which is part of the ignition tumbler kit. Some of the others are a faulty Ignition Switch, Body Control Computer and poor connections in the wiring harness.
Why is my security light on?
On your particular vehicle the security light staying on as the vehicle is running is an indication that the security system has failed and is disabled. It is common for a security light to come on after battery dies because the computer may lose its programming to the key.
How do I disable GM anti-theft system?
How to Disable a GM PassLock System
- Leave the ignition key turned to the “On” position after the vehicle has stalled and will not start.
- Look at the dashboard and locate the theft system light.
- Turn the ignition to the “Off” position to disable the PassLock system, and wait for 20 seconds for the system to reset.
How do you reset the security light on a 2003 Chevy Impala?
1) Put the key in the ignition and turn to the “ON” position. Leave it that way for 10 minutes. After 10 minutes turn the key and take it out. Repeat this process (2) more times (3 times, 30 minutes total) This should reset the PASSKEY system to recognize your key.
How do you reset the anti theft system on a Chevy Impala?
To reset the anti-theft system in the 2007 Chevy Impala, turn the key in the ignition to the “on” position and attempt to fire the engine. Return to the “on” position. The vehicle will not start if anti-theft has disabled the ignition. After 10 minutes, the flashing “security” warning light should power off.
Why is my cars security light blinking?
If nothing happens or the engine starts and dies, the security light will be flashing. Leave the key in the On position and wait ten minutes. The flashing light should go off or illuminate without flashing. When it does, turn the ignition off, wait twenty seconds, and then try to start the engine.
How do I turn the security light off in my car?
Insert the key into the ignition and turn it to the on position, which activates your accessories but not the engine. Leave the key in position for about 10 – 15 minutes. Step 3: Check the anti-theft light again. If it’s no longer blinking, turn the key back to the Off position and allow it to set for a minute or two.
Why is the security light not working on my Chevy Impala?
Chevy Impala Won’t Start Security Light. If you’ve had trouble starting your Impala then you may have a common problem with the pass lock engine immobilized system. This system prevents the car from starting when someone is trying to steal it and can occasionally activate when you try and start the car with a key.
What should I do if my Chevy Impala won’t start?
Start the car following the third 10-minute waiting period. The car should start and stay on. If it stays running, then the codes have been relearned and the problem is solved. If the car still does not start then you may need to have all or part of the passlock system replaced.
Can you bypass the pass lock on a Chevy Impala?
You can bypass the pass lock system, but that will disable the system completely and make your car more vulnerable to theft. John Cook has been writing professionally since 2010 and has over 20 years of experience working with horses and animals, and over 8 years of experience in the web design and computing industry.
Is it normal for the security light to stay on when you start the car?
When you start the car after the third waiting period, the security light may stay on steadily for a few minutes. This is normal and nothing to worry about. You can bypass the pass lock system, but that will disable the system completely and make your car more vulnerable to theft.
