A number of new checks have been introduced which concentrate on warning lights showing on the dash and connectors - some of which have been ignored in previous tests. In addition to the warning lights, there are a number of new checks covering other aspects of the vehicle. Your MOT tester will be able to answer any questions - worth asking before going for the test!
Why has it changed?
In a word - Europe. With a revised directive (2009/40/EC), the aim is to harmonise minimum test requirements across Europe and make sure the test reflects the electrical/electronic complexity of modern car safety features.
The list below highlights significant changes which can result in a failure.
| Conditions for failure | ||
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Electronic Stability Control and Anti-Locking Brake systems |
A warning lamp: a. is missing b. does not illuminate c. indicates a fault d. for ABS does not follow the correct sequence of operation. |
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High Intensity Discharge or LED lights |
Where fitted, the headlamp levelling or cleaning device is inoperative or obviously defective. |
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Supplementary Restraint System (Airbags!) | 1.
An airbag is obviously missing or defective. Note: A passenger airbag that has been switched off is not a Reason for Rejection. 2. A Supplementary Restraint System (SRS) malfunction indicator lamp is: - inoperative - indicating a system malfunction. 3. a. A seat belt load limiter or pretensioner is obviously missing where fitted as original equipment; b. a seat belt pretensioner or a ‘folded webbing’ type load limiter has obviously deployed. |
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Batteries | A battery is insecure or leaking electrolyte. Note: if you have had your battery changed at a garage or supercentre recently, make sure that it has been secured correctly. In our experience, 1 in 7 aren't! |
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Electrical wiring | a. wiring is insecure or inadequately supported so that it is likely to become damaged; |
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Trailer sockets | A trailer electrical socket will fail if it: |








