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Home >> Subaru >> 2017 >> WRX Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Continuously Variable Transaxle (CVT) (Diagnostics)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0604 Internal Control Module Random Access Memory (Ram) Error >> Diagnostic Method

Diagnostic Method

WARNING: This page is about a different variant/trim than selected.

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

MALFUNCTION CRITERIA

Malfunction Criteria Threshold Value
Writing-check (RAM)
NOTE: This check is carried out about the RAM only used for CAN communication.
 Error

Time Needed for Diagnosis:  Immediately

Malfunction Indicator Light Illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.

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