CAN/ULC 338:2023

Scope 1.1 The requirements of this standard cover the following items regardless of the propulsion system used: a) Passenger cars; b) SUVs; c) Light-duty trucks and vans (under 6,850 lb); d) Medium-duty vehicles (6,851 – 10,000 lb); e) Heavy-duty vehicles (over 10,000 lb); f) Heavy equipment; and g) Motorcycles. 1.2 The requirements of this standard do not cover the following items: a) Aircraft; b) Watercraft; and c) Power sport (e.g., recreational or off-road vehicles). 1.3 Both original equipment manufacturer (OEM) systems and aftermarket systems shall meet the requirements of this standard. 1.4 Electronic immobilization systems shall be passively armed, and once armed, they shall prevent the unauthorized movement of the vehicle under its own power. 1.5 As an optional protection mechanism, these requirements cover the addition of alarm warning functions, where permitted, to the core immobilization system in order to protect the vehicle's contents and to protect the electronic immobilization system. 1.6 An electronic immobilization system, as covered by these requirements, consists of one or more assemblies of electrical components designed to prevent the unauthorized movement of the vehicle under its own power. 1.7 A component of an electronic immobilization system or alarm warning system, where permitted, such as attachment plug, siren, horn, switch, transponder, remote transmitter, wire, etc., shall comply with the requirements for that component, except that such requirements be modified if appropriate for the particular application. 1.8 Installation of the electronic aftermarket immobilization system shall be in accordance with the system manufacturer's instructions, and any accessory parts shall be per the specifications outlined by the aftermarket manufacturer using their licensed installers that are in good standing, having met requirements of this Standard. 1.9 All aftermarket manufacturers shall demonstrate their systems meet all applicable requirements in this standard with on-vehicle testing to verify they function as designed in accordance with this document. 1.10 The requirements also provide a set of clear best practices and installation processes for licensed installers and installation facilities handling the installation of aftermarket immobilizers, licensed installers, and installation processes.