Conditions for Setting the DTC

The checksum of the current regulator data will be tested. If the checksum is not OK, then the error bit will be set.
If writing to FLASH during power latch phase failed.
Each of the flash blocks has its own status which is located at the beginning of the each flash block and the status of the FLASH blocks do not fit together.
System voltage is too high or too low.
Transaxle input voltage is too high or too low.
Immediately after the above condition occurs.