Code No. P0605: ROM Error


DIAGNOSIS CONTENT



TROUBLE JUDGMENT


Check Condition
  • Cyclically every 100 ms for power on-reset.
Judgment Criterion
  • Reading from EEPROM has failed.

DIAGNOSIS CONTENT



TROUBLE JUDGMENT


Check Condition
  • After attaining the number of driving cycles correspond with threshold.
Judgment Criterion
  • Writing into EEPROM has failed.

DIAGNOSIS CONTENT



TROUBLE JUDGMENT


Check Condition
  • After attaining the number of driving cycles correspond with threshold.
Judgment Criterion
  • EEPROM uses substitute values.

FAIL SAFE FUNCTION



  • The engine-ECU is reset.

PROBABLE CAUSE



  • Failed engine-ECU