From the current UK MOT Manual;
“ On some vehicles with LED rear lamps, a proportion of the stop lamp LED’s may extinguish when the rear fog lamp is illuminated. This is not to be regarded as a defect.“
I had to point out this line in the MOT Manual out to the MOT Tester, he was determined to give me another fail until he saw it.
MOT inspection manual: cars and passenger vehicles - 4. Lamps, reflectors and electrical equipment - Guidance - GOV.UK
Headlamp, position lamps, daytime running lamps, stop lamps, indicators, hazard warning lamps, fog lamps, reversing lamps, lighting ‘tell-tales’, trailer electrical socket, electrical wiring and battery rules and inspection for car and passenger vehicle MOT tests.
