Resolved! "UM2407 User manual", table 20, "CN9 ZIO Connector pinout" pin name of pin 15 wrong
Table 20, "CN9 ZIO Connector pinout" on page 40 of "UM2407 User manual Rev 2 - STM32H Nucleo-144 boards (MB1364)" lists the wrong pin name for pin CN9-15. It is listing PE0 while it should be listing PE9.