WARNING: This page is about a different car, the 2016 Hyundai Elantra and 2015 Hyundai Elantra. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Transaxle Control Module (TCM) Circuit Diagram (1 Of 2)
Courtesy of HYUNDAI MOTOR AMERICA
Fig 2: Transaxle Control Module (TCM) Circuit Diagram (2 Of 2)