If the RAM in the PCM has errors or the CPU software version does not match the main CPU or real checksum does not match with the memory checksum, the PCM sets a P0605 DTC.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
Check internal CPU, RAM | 1. Faulty PCM |
Enable Conditions |
•
- | |
Threshold value |
•
RAM has errors
•
Discordance between the real checksum and the memorized checksum
•
The version discordance among PCU S/W or Calibration | |
Diagnosis Time |
•
Continuous | |
MIL On Condition |
•
1 driving Cycle |
