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Home >> Subaru >> 2017 >> WRX STI >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (P0171 To P0685) (2.5L) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P062F Internal Control Module EEPROM Error >> Diagnostic Method
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Diagnostic Method

Judge as NG when the following conditions are established.

Diagnosis 1 

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Time needed for storing data in EEPROM ≥ 48 ms

Diagnosis 2 

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
EEPROM writing Error

Time Needed for Diagnosis: 

Malfunction Indicator Light Illumination:  Illuminates as soon as a malfunction occurs.