Search the term “sensor lift” and then adjust your pressures accordingly for the slightly higher N height. Do you reckon 1/2 inch will stop the rub? Anyway, when you override (switch FL and FR wheels speed signals out) the vehicle’s speed input to the AHC ECU you also mess with your adaptive variable suspension. No speed signal means the ECU doesn’t know the vehicles moving so damping stays at mid point (8) instead of varying between 1-16, anti dive on braking, damper isolation when cornering, anti squat on acceleration etc aren’t active as, as far as the AHC ECU is concerned, you’re just idling in park. Don’t get me wrong, being able to override the speed input to temporarily stay in H (or L) has its merits, but for a constant 1/2inch “mini lift” then readjusting the 3 height sensors to a raised N height and compensating for the resultant pressure increase is much more sensible.[/QU
Very helpful, thank you