From Ross-Tech Wiki
18032/P1624/005668 - MIL Request Signal Active (Check TCM for errors too!)
- Malfunction Indicator Light (MIL) active
- Fault Codes stored in Transmission Control Module
- Check Transmission Control Module for Fault Codes
- When found in 2015-2017 Jetta, Passat, or Golf with 09G transmission, please see TT 01-15-06. May also have DTCs P0776 and or P0796.