Transport Minister, Anthony Loke, has announced that Speed Limiter Device (SLD) will be made fully mandatory on heavy vehicles next year, in a move to improve road safety and cut down risk of accidents involving heavy vehicles.
The mandate will help enforce the maximum speed limit of 90 km/h on heavy vehicles, including commercial and heavy goods vehicles (over 3,500 kg), rebuilt vehicles and used imported goods vehicles (over 3,500 kg), busses, and passenger vehicles (carrying more than 8 people and over 5,000 kg).
Enforcement for SLD is set to begin on October 1, 2025 for all heavy vehicles registered after January 2015. For vehicles registered before January 1, 2015, enforcement will begin from January 1, 2026, while vehicles without an SLD will need to have the device installed by July next year.
As part of the enforcement, all heavy vehicles will need to have their SLD Functionality Verification Certification and reports kept inside the vehicles at all times. This report must be renewed every two years at the Motor Vehicle Inspection Centre (PPKM) or the Public Land Transport Agency (APAD).
For heavy vehicles registered after January 1, 2025, the report can be obtained through the vehicle manufacturing/producing company, Technical Service (TS) recognised by JPJ, a workshop or service centre facility recognised by the Road Transport Department (JPJ), or a Certified Certification Body (handed out by the Department of Standards Malaysia) recognised by JPJ.
Heavy vehicles registered before the July 1, 2015, but already have a speed limit system as part of the vehicle’s electronic control unit (ECU), will need to have the functionality activated with a plug-in device through approved facilities (vehicle manufacturer or designated third parties).
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As for heavy vehicles without SLD systems, it will be mandatory to retrofit a JPJ-approved SLD. Installation for the SLD system must be done at workshops and technical service facilities recognised by JPJ.
Loke added that since April 1, 2025, JPJ has increased enforcement of the Conformity of Production (COP) at commercial vehicle manufacturing plants for commercial vehicles that have already received their Vehicle Type Approval (VTA) since 2015. This is to ensure that the vehicles have their SLD are configured to enforce the national speed limit for heavy vehicles.
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