Based on your diagnosis, here are the repair options.
The code is stored in the . It indicates that the Heating, Ventilation, and Air Conditioning (HVAC) control unit has detected an electrical fault in the circuit controlling the variable displacement compressor. vw error-00898
In modern Volkswagen automatic transmissions (such as the 01M, 01N, 09A, or DSG variants), fluid pressure is controlled electronically. The N91 solenoid is responsible for controlling the hydraulic pressure that engages and disengages the torque converter lock-up clutch. Based on your diagnosis, here are the repair options