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Home >> Subaru >> 2019 >> Forester Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Memory Modules >> Power Seat Memory System (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC B2604: Power Seat Memory EEPROM

DTC B2604: Power Seat Memory EEPROM

DTC detecting condition: 

When malfunction occurs in writing/reading the memory of Power Seat & Remote Control Mirror Control Module.

Trouble symptom: 

Seat operation is possible with manual operation, but not with memory function.

CAUTION: Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to POWER SEAT MEMORY (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION .
  1. CHECK DTC  .
    1. Turn the ignition switch to ON.
    2. Read the DTC of [Power Seat Memory] using the Subaru Select Monitor. Ref. to POWER SEAT MEMORY (DIAGNOSTICS) DIAGNOSTIC TROUBLE CODE (DTC) .

    Is DTC B2604 displayed? (Current malfunction)

    Yes  : Replace Power Seat & Remote Control Mirror Control Module. Ref. to SEATS>POWER SEAT SYSTEM .

    No  : Even if DTC is displayed, the circuit has returned to a normal condition at this time. Reproduce the failure, and perform the diagnosis again.

    NOTE: In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.