DTC B2604: Power Seat Memory EEPROM

DTC DETECTING CONDITION: 

There is a difference between writing value and reading value of power seat control module EEPROM.

TROUBLE SYMPTOM: 

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

1. CHECK DTC. 
   1. Turn the ignition switch to ON.
   2. Read the DTC of the power seat control module using the Subaru Select Monitor. Ref. to POWER SEAT MEMORY SYSTEM (DIAGNOSTICS)>Read Diagnostic Trouble Code (DTC) .

   Is DTC B2604 displayed? (Current malfunction)

   Yes  Replace the power seat control module. Ref. to SEATS>POWER SEAT System>REMOVAL>POWER SEAT CONTROL MODULE (SEAT WITH MEMORY FUNCTION) .

   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.