Learn how to stay compliant with EBPMS rules, reduce risks, and improve safety with real-time brake monitoring.
Written by Tristan Bacon — Updated 16 September 2026
Keeping on top of brake performance means more than booking the annual MOT. Whether you run a small haulage fleet or manage vehicles across several depots, you need reliable evidence that the brakes are working properly between tests.
Electronic braking performance monitoring systems, usually shortened to EBPMS, can help by recording service brake performance during everyday trailer operation. They can also provide evidence for scheduled safety inspections.
But fitting a system is only part of the process. You still need to understand its reports, investigate alerts and know when a physical brake test is required.
This guide explains how EBPMS works, what the current DVSA guidance expects and how to decide whether it suits your operation.
EBPMS stands for electronic braking performance monitoring system. It collects data from braking events during normal operation and analyses it over time to produce a service braking performance value.
The data can include changes in speed, braking demand pressure, axle load and road gradient. Together, these readings help the system assess how the brakes perform across different operating conditions.
A suitable system can alert the operator to underperforming service brakes and ABS or electronic braking system faults. It must also flag when there is too little data to produce a valid performance value.
The DVSA’s EBPMS industry standard specification explains the required reporting, accuracy and alert functions.
No. An electronic braking system, or EBS, controls braking. EBPMS monitors and records braking performance.
Having EBS fitted does not, by itself, mean you have a suitable EBPMS or the reports needed for safety inspections. Ask your manufacturer or supplier to confirm exactly what is installed and what evidence it can provide.
EBPMS itself is not mandatory. The changes associated with April 2025 concern how operators assess and demonstrate brake performance.
The current DVSA Guide to maintaining roadworthiness expects a brake performance assessment at every safety inspection. It describes roller brake testing, suitable EBPMS and, where appropriate, decelerometer testing with temperature readings.
The guide also distinguishes legal requirements from recommended best practice. Operators must keep braking systems in good working order and meet their maintenance obligations. Following the guide is the recognised approach; an alternative system must still demonstrate effective control of roadworthiness.
For businesses holding an operator licence, this means having a maintenance programme that produces meaningful evidence and leads to action when problems are found.
The current DVSA guide states that EBPMS is only available for trailers. Operators should therefore avoid assuming that a trailer monitoring system also provides brake performance evidence for tractor units or rigid lorries.
An articulated fleet may use EBPMS for suitable trailers while continuing physical brake testing for its tractor units. A fleet of rigids will need an appropriate physical testing programme.
Treat each vehicle and trailer individually when planning assessments.
A laden test using a calibrated roller brake tester is the most effective way to measure individual and overall brake performance. The DVSA expects operators to make every attempt to carry out a laden roller brake test.
Where EBPMS is not used, the normal expectation is at least four laden brake tests spread evenly across the year, which can include the annual MOT test. This does not remove the expectation for a brake performance assessment at every safety inspection.
A laden roller brake test can take place up to 14 days before the safety inspection. Its report must be available to the person conducting the inspection and retained on the maintenance file. This gives operators some flexibility to arrange testing while a vehicle or trailer is carrying a suitable load.
Proper loading matters because lightly loaded wheels can lock before the test demonstrates meaningful brake performance. The DVSA’s brake test preparation guidance explains loading and load simulation options.
An approved, calibrated decelerometer measures overall braking performance. Temperature readings taken before and after the test help assess whether individual brakes are operating.
This method can be appropriate for vehicles without trailers or vehicles that cannot be tested on a roller brake tester. A decelerometer cannot assess trailer brake performance.
Where a laden test or satisfactory EBPMS evaluation is unavailable, a competent person must complete a justified risk assessment. It must be evaluated at each relevant safety inspection. The guide includes specific circumstances where unladen testing may be appropriate.
The DVSA’s example brake assessment risk assessment provides a starting point. It does not replace a brake performance assessment or justify skipping testing.
Daily driver checks and standalone temperature sensors also do not, on their own, provide the brake performance evidence described above.
To use EBPMS as service brake performance evidence, the system must capture enough braking events over the period between scheduled safety inspections.
A trailer used infrequently may not generate sufficient data. A missing or invalid performance value needs follow-up; it should never be treated as a satisfactory result.
Before every safety inspection, a competent person who can interpret the data must evaluate the performance report. The evaluation must be signed, dated and attached to the maintenance record with the report. They may form one document.
The evidence should clearly identify the trailer, assessment date, monitoring period and service braking performance value. The industry specification also requires a graph showing performance trends.
For transport managers, the practical task is to make this review part of the inspection process. Agree who retrieves the report, who evaluates it and how the workshop receives the evidence.
Alerts must be recorded and investigated through the defect reporting process. Where the system does not alert the driver directly, the operator must inform them.
If the system cannot provide sufficient performance evidence, use an appropriate alternative assessment and retain the results. For trailers, a laden roller brake test is the normal fallback.
After brake repair or maintenance, the DVSA guidance says a meaningful laden roller brake test should be carried out before return to service. Its EBPMS guidance explains these responsibilities.
EBPMS provides service brake performance evidence. Parking brake function still needs a separate assessment.
For EBPMS-equipped trailers, the DVSA describes a procedure that includes confirming valid, satisfactory monitoring data, inspecting parking brake components and checking driver defect reports.
It also requires a documented tug or shunt test at the safety inspection or within the preceding 14 days. Appropriate risk assessments and health and safety procedures must be in place. Any doubt about parking brake performance requires further testing.
Ask your maintenance provider to follow the DVSA’s parking brake assessment procedure, rather than relying on the EBPMS report alone.
EBPMS cannot replace the statutory MOT brake test. Keep annual testing in your planner even where trailer monitoring provides satisfactory evidence between MOTs.
Start with the work your trailers do and the maintenance arrangements already in place.
For a small fleet, the main questions may be whether EBPMS can reduce separate testing trips and whether your maintenance provider can evaluate the reports. For a larger operation, report access, depot responsibilities and consistent handling of alerts may matter just as much as installation.
Before choosing a system, establish:
Ask the supplier for evidence that the system meets the industry specification. A dashboard showing no warnings is not a substitute for the required performance report and evaluation.
Include installation, subscriptions, training, report administration and fallback testing in the business case. A trial on a suitable group of trailers can help you assess the workload before extending coverage.
EBPMS does not replace driver walkaround checks, component inspections or a working defect reporting process.
For trailers fitted with EBS, the ISO 7638 ABS/EBS lead must be correctly connected. The DVSA says that without it, EBS will not function and EBPMS will not monitor trailer braking performance.
Drivers must inspect the lead for damage and correct connection during their walkaround checks. Relevant connection or safety system faults must be rectified before the trailer is used. The DVSA’s daily HGV walkaround checklist explains the checks drivers should make.
Build report reviews into the same management routine you use for maintenance bookings, defect follow-up and tachograph compliance. Keep brake evidence easy to retrieve alongside the wider records used when preparing for DVSA roadside inspections.
For suitable trailers, EBPMS can give managers greater visibility of service brake performance between inspections. Alerts and trends can support earlier investigation, while usable monitoring evidence may reduce separate routine roller brake testing visits.
Those benefits depend on reliable data and prompt action. Installation alone cannot guarantee fewer breakdowns, lower costs or a better compliance record.
If reducing operating costs is your wider aim, combine effective maintenance with separate measures to improve fleet fuel efficiency and reduce HGV carbon emissions. Assess EBPMS primarily on the brake monitoring evidence and operational value it provides.
The best starting point is a review with your transport manager or maintenance provider. For every vehicle and trailer, confirm the assessment method, the evidence required at each inspection and the action to take when results are unsatisfactory.
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