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Home >> Subaru >> 2016 >> Crosstrek Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (Except Hybrid) (2 Of 3) >> DTC P0604 Internal Control Module Random Access Memory (Ram) Error >> Diagnostic Method

Diagnostic Method

Judge as NG when the following conditions are established.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Write the specified value into the RAM. The written value cannot be read.

Time Needed for Diagnosis:  Less than 0.512 seconds

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