P0720 (Audi): Defective Output Speed Sensor, Defective Shift Solenoids, Defectiv… — what it means, the affected system and what to check before replacing parts.
Defective Output Speed Sensor, Defective Shift Solenoids, Defective Engine Coolant Temperature Sensor, Defective Valve Body, Dirty transmission fluid that restricts the hydraulic passages, Defective Output Speed Sensor wiring or connector. Source catalogue definition; confirm applicability using vehicle service information.
Affected system: Powertrain