i am having similar issues i have resently fitted extractors, high flow cats, and disconnected the battery so as to do a system reset and as i took off after the front wheels started to lock up but only when i had turned my steering the slip flashed than i breaked and it stoped flashing drove forward again and it happened again than the vdc was illuminated and slip also. pissing me off so much, so now i have to disengage vdc before i go any where once engine has been switched off.
but if i start up and drive in a straight line the slip and vdc become illuminated, there fore no traction control on. any ideas and these sensors where are they? thanks