I removed the battery ground cable for a couple of minutes on my 2001 F150XL and it has been working for over two years now.
In most cases the theft deterrent system in your 2007 Chevrolet Impala will reset itself in 10 minutes. You can also remove the fuse for 10 seconds and replace it to reset the system.
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The theft deterrent system is built into the Body Control Module. There are sensors and switches that affect the BCM throughout your car so you need to be more specific as to what you're looking for.
The fuse for the theft deterrent system on a 2007 Chevy Impala is located in the fuse box under the instrument panel on the driver's side. To access it, remove the cover of the fuse box, and look for the fuse labeled "Theft Deterrent" or similar. If you're having trouble locating it, refer to the owner's manual for specific details on the fuse layout.
The theft deterrent system will not work.
First, disarm the theft deterrent system. Then you can power off and disconnect it.
Trouble code P1626 means: Theft Deterrent System Fuel Enable Circuit
To disable the theft deterrent system on a 2015 Chevy Impala, use the key fob to unlock the doors or insert the key into the ignition and turn it to the "On" position. If the system remains active, you may need to disconnect the vehicle's battery for a few minutes to reset it. However, it's important to consult the owner's manual or a professional for specific instructions, as tampering with the system can affect the vehicle's security features.
To reset the theft deterrent system on a 2004 Saturn Vue without the alarm key, you can try disconnecting the battery for about 10-15 minutes to reset the system. After reconnecting, turn the ignition to the "On" position without starting the engine for approximately 10 minutes; this may allow the system to recognize the key. If this does not work, you may need to consult a professional mechanic or a dealership for assistance.
See PASSLOCK on page 2-17 of your "Owner's Manual" under section 2 Features and Controls; Theft-Deterrent System.