DVSA (Driver and Vehicle Standards Agency) in the UK is aware that some trailers fitted with Knorr Bremse Electronic Braking Systems (EBS) may have been incorrectly tested for service efficiency during the roller brake test aspect of the annual test.

This is likely to have only affected a small number of trailers which had a brake test between 1 May and 30 June, 2022.

Companies can appeal a result if they believe a trailer has failed the test incorrectly. 

E-mail TechnicalOfficers@dvsa.gov.uk with:

• the trailer ID; 
• an image/photograph of the EBS data plate showing Knorr Bremse as the manufacturer;
• an image/photograph of the data plate;
• a copy of the brake test printout issued;
• a copy of the failure certificate.

Any trailers tested before 1 May, 2022 and after 30 June, 2022 will have been correctly tested.

Photo:  Trailer testing.