P0602 is set when 1)communication error between micro controller inside of ECM and EEP ROM is detected or 2)a different vesion of ECM is installed.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
EEPROM monitoring |
•
Version difference between ECM and ECM communication module
•
ECM component failure | ||
Enable Conditions |
•
IG KEY "ON" | |||
Threshold Value |
•
(EEPROM communication error): communication failure between microcontroller inside of ECM and EEPROM
•
Each data range is activated abnormally.
•
self test about optional devices(A/C, immobilizer, cruise control) | |||
Diagnostic Time |
•
Immediately | |||
Fail Safe | Fuel cut | YES | ||
EGR Off | NO | |||
Fuel Limit | NO | |||
MIL | NO | |||
