P10A4 1.4TSI VW Diagnosis and Cause With VCDS

Diagnosing the intake regulating flap fault p10a4 on a 1.4tsi. The issue presents as an engine light on the dash, and the engine has no power above 3000rpm. This video shows how to test the flap for wiring issues and rule out ofher problems. You will see in this video I can only get the flap to attempt to operate each time the ignition is switched on. On the oscilloscope you can see the duty cycled control going to the flap unit, and lot's of electronic «noise» in the signal. The motor was found to be soaked in oil as it is the lowest point when in the installed position. 004260 p10a4