PCM monitors errors through checksum. Every information consists of the combination of 0 and 1, checksum means summing up all values in a row. Thus, errors are recognized comparing checksum value and the memory value at PCM.
If CPU software version dose not accord with main CPU, PCM sets P0602.
Item | Detecting Condition | Possible cause |
DTC Strategy | ● Check internal CPU | ● Faulty PCM |
Enable Conditions | - | |
Threshold value | ● The version discordance among PCU S/W or Calibration | |
Diagnosis Time | ● Continuous | |
MIL On Condition | ● 1 driving cycle |
