Nottinghamshire
Mobile remapping in Retford
Retford is a north Nottinghamshire town on the A1, booked when that corridor is already in the diary.
ECU remapping
Daily cars and small vans usually want an A1 economy file.
AdBlue
Warnings show up on vehicles that do the town and then a long A1 leg.
DPF
That mix can finish a regen or abort it in town. The log shows which.