Cause of open circuit of Volkswagen throttle control line

When Volkswagen matches the throttle with ECU, it will be automatically interrupted. The irretrievable reason is the throttle opening.

The accurate control of throttle opening is realized by ECU calculating the optimal throttle opening according to the driving situation and controlling the motor to drive the throttle. After the idle stability controller is damaged or the motor line fault matching is interrupted, it will be stored in ECU. If you have a 5053 data cable, you'd better have one. VCDS 10.6.3 software, enter the "engine" module, enter "match", enter "000" in the channel number, and then click OK (the purpose of this is to clear the original EC.