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Home › Subaru › 2018 › Crosstrek Base, Standard Trans › Repair and Diagnosis › Engine Performance › System › Engine Control System (Diagnostics) (2 Of 4) › Diagnostic Procedure with Diagnostic Trouble Code (DTC) › DTC P0605: Internal Control Module Read Only Memory (ROM) Error › Diagnostic Method

Diagnostic Method

Judge as NG if the criteria below are met.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Judgment 1: Checksum SUM value of ROM Malfunction
Judgment 2: Error Correcting Code (ECC) check Error Correcting Code (ECC) check error Detected

Time needed for diagnosis:  When detected 2 times in row

Malfunction indicator light illumination:  Illuminates as soon as a malfunction occurs.

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