Omega ABS + ESP faults with Spare Wheel

[BWNVY2]

Hi guys.

curious has any one ever experience abs fault warnings, esp off warnings and park brake warnings whilst running spare wheel?

AND OR

running two different tyre sizes front and back? 245/45/18 tyres are so much compared to 235/40/18 tyres and im in the 'process' of converting to the lower profile, rears remaining to be done, just wondering if anyone knows if this may cause an issue also.

or am i looking at an ecu fault?

cheers,

[RiCeY]

The car senses different wheel speeds when they should all be the same (except when cornering) and doesnt know its due to different rolling diameters.

[huthy14]

She"ll be right should come good mine did the same when I did that

[BWNVY2]

Beauty!
Thought that might be the case. Seems a little to convenient to happen at the same time.
Hoping it does fix up! I pulled the battery for 20 to try reset it but it came back.
Will see what happens. If anything might just motivate me to get all the tyres the same.

[RiCeY]

Just so you know while these warnings are on you have no ABS or stability control.