Penal Code section 466
(a)
A person who possesses a picklock, crow, keybit, crowbar, screwdriver, vise grip pliers, water-pump pliers, slidehammer, slim jim, tension bar, lock pick gun, tubular lock pick, bump key, floor-safe door puller, master key, ceramic or porcelain spark plug chips or pieces, key programming device or key duplicating device, signal extender, or other instrument or tool with the intent to feloniously break or enter into any building, railroad car, aircraft, or vessel, trailer coach, or vehicle as defined in the Vehicle Code, or who knowingly makes or alters, or attempts to make or alter, a key or other instrument named above so that it will fit or open the lock of a building, railroad car, aircraft, vessel, trailer coach, or vehicle as defined in the Vehicle Code, without being requested to do so by a person having the right to open the same, or who makes, alters, or repairs any instrument or thing, knowing or having reason to believe that it is intended to be used in the commission of a misdemeanor or felony, is guilty of a misdemeanor. Any of the structures mentioned in Section 459 shall be deemed to be a building within the meaning of this section.(b)
For the purposes of this section, the following terms have the following meanings:(1)
“Key programming device” or “key duplicating device” means any device with the capability to access a vehicle’s onboard computer to allow additional keys to be made, delete keys, or remotely start the vehicle without the use of any key. A key duplicating device also includes any device with the ability to capture a key code or signal in order to remotely access a vehicle.(2)
“Signal extender” means a key fob amplifier or other device that extends the signal range of a keyless entry car fob to send a coded signal to a receiver in a vehicle to lock, unlock, access a vehicle, start the engine, or interact with other remote commands associated to the vehicle’s onboard computer.
Source:
Section 466, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=PEN§ionNum=466. (updated Jan. 1, 2026; accessed Dec. 29, 2025).
