Hi Geoff, super helpful, thank you! Yes there is a normal OBDII port under the steering wheel, so can I consider the older one in the photo defunct / not attached to the computer thing? The engine is 2004 MAZDA E2000 TWIN SIDE DOORS 1998cc Petrol Automatic The normal OBDII port doesn't show any code...

Hi All, also getting hold light issues. Garage replaced entire gearbox, which has fixed the issue of the vehicle sticking in gear or refusing to move out of gear. But light is back, garage happy to help but are claiming that there is no diagnostic error. I have got myself an obd scanner with the sta...