Why Do Some Commercial Vehicles Fail Their MOT?

August 2nd 2017 Written by Mark Masters

Lets look at some key reasons why commercial vehicles fail their MOT.

At the end of 2016 we looked at some of the common causes for vehicle breakdown, you can read that here. Lets bring things into the workshop and from experience what the technician team has seen over the years and why vehicles fail the MOT.

So far, in 2017, we have passed every vehicle that comes in for an MOT. There has only been one fail. This was in January that related to the condition of the tyres and the rear marking board.

As a comparison, pass rates at annual test on a national level is nearly 85%. Director, Darren Gale commented, Working alongside VOSA, our aim is to ensure safer roads for motorists. It is all about ensuring high standards and keep on with a pass level that is 100%.’

According to commercialmotor.com, the top 10 reasons for MOT failure include, wiring, suspension and lamps. Lets find out from those who work everyday with the commercial vehicles our customers trust us with.


What The Team Say

Lets share what some of the members from the technician team have seen over the years and ensure you always pass.

Jordan Branch (Technician & Shift Leader) “ One of the most common reasons for failure, in my opinion, have been those faults that you have no control of. For instance, a truck may be performing perfectly one minute and then realise that something has happened. From a tyre problem, such as a puncture, to a cracked windscreen whilst driving, these things do happen.




Julian Trevett (Technician) “ I have seen headlight aim as an issue in the past. Last year, the way that measuring aim changed, to a more methodical check. The change involved an extension of the tolerance band for headlamp aim.





Jim Lalor Ricketts (Technician & Shift Leader) “ I have seen vehicles that have not been inspected properly prior to bringing to ETS. For instance, brakes have been an issue. Too many people put off seeing a garage until just before an MOT. We need time to check and prepare. It is always better to check problematic areas such as brakes early. If they need new disc pads, then they can be easier sorted before the test.




It is safe to say that that the annual pass rate is heading in the right direction. We are seeing this within ETS this year and the results are encouraging.

In a previous article that looked at why we believe first time pass rates are increasing, Jim (Lalor Ricketts) commented, I put this down to two things: there are more newer vehicles on the roads; commercial vehicle repair garages have invested in the correct infrastructure to monitor and maintain.

Darren highlighted, A vehicle needs to be capable of passing at any time, not just saved up for the annual inspection. We want the green light from VOSA, just as much as our customers.

Whoever our customers use for their MOT, it is important that the right people in right workshops are giving the full attention and detail required.

It doesn’t matter what size of vehicle, from a horsebox to a HGV, all companies and drivers have a responsibility. Things such as keeping a check on tyres and lights can go a long way.

Our 100% record is something that we want to maintain for ETS customers. If you have an MOT on the horizon, or want us to maintain your vehicle(s), get in touch. Call Debi on 01202 669339 or email debi@etstrucks.co.uk