Vauxhall meriva 2016 the yellow light. (tyre requires inflating) comes on.When I check it, it is at required pressure.Same wheel every time.
Can you please help.

Eddie.

Edward Thompson, August 2017

You'll doubtless have seen treads like these when you searched for yourself but just in case:

http://www.adamownersclub.co.uk/forum/9-newbies/1642-tyre-pressure-warning-light-stays.html

https://www.corsaeforums.co.uk/viewtopic.php?t=248

http://www.vxronline.co.uk/forum/showthread.php?217002-Tyre-pressure-warning-light

https://www.pistonheads.com/gassing/topic.asp?t=1296197

http://enginepartsdiagram.com/2015-opel-vauxhall-meriva-low-tyre-pressure-system-reset/

And for some background:

https://www.motoringassist.com/motoring-advice/car-maintenance/wheels-tyres-and-brakes/guide-tyre-pressure-monitoring-sytems-tpms/

Something LIKE this MAY help:

http://www.ebay.co.uk/itm/New-EL-50448-OEC-T5-Tire-Pressure-Monitor-Sensor-TPMS-Activation-Tool/301920969431

Acp, August 2017