October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
Transaxle Control Switch (TCS) Or Transaxle Control Indicator Lamp (TCIL) Circuit Malfunction
WARNING: This page is about a different car, the 2002 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: DTC P1780 Detection, Possible Cause & Description