just converted mine u need :-harness ecuswitchesfront motorrear motorits basically plug and playbought all my stuff from skan 4x4 tyhey were very helpfullregards steve y
had this problem with mine due to a water leak from the sun roof.
removed the ultrasonic sensors and took them apart cleaned the circuit boards carefully with a toothbrusk to remove the corosion .reffitted and they worked
try its a free tip
regards
steve y
See I new that I should keep my Rovacom MK11 when I got rid of my P38
Glad I did its really usefull cos it makes me beer tokens and clears my faults
regards
steve y