So removed airbag and unplugged steering wheel controls from clocklspring, problem solved,
unplugged cruise control and plugged back in controls, problem remained solved.
Took board out of cruise control, no signs of stuck switch or burnt component or even corrosion but undoubtedly this is the problem. replaced everything with bunch of tissue in place of faulty board and all is good in Volvoworld for now..
Thanks again to SwissXC90.
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