P1586 is set when recognized option data based on ECM terminal state(grounded or opened) is not readable or writable at EEP ROM. This code is due to ECM failure.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Signal monitoring | 1. ECM component failure 2. ECM recognition terminal/wiring to ground | ||
Enable Conditions |
•
IG key ON | |||
Threshold value |
•
Options(ISG, DPF) learning error(when data writing on EEPROM inside of ECM is impossible)
•
Related chipset error | |||
Diagnosis Time |
•
At the point of ECU initialization | |||
Fail Safe | Fuel cut | NO |
•
Glow lamp blinking | |
EGR Off | NO | |||
Fuel Limit | ON | |||
Check Lamp | OFF | |||
