DTC P062F: Internal Control Module EEPROM Error: Description
WARNING: This page is about a different car, the 2013 Lexus IS 250C. However, it is still accessible from the selected car via links, so may be relevant.
The ECM monitors its internal operation and it stores this DTC when it detects an internal malfunction.
DTC No.
DTC Detection Condition
Trouble Area
P062F
An ECM internal error (EEPROM) (1 trip detection logic)