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Subaru Legacy Service Manual: 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.

STEPCHECKYESNO

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. Read Diagnostic Trouble Code (DTC)

Is DTC B2604 displayed- (Current malfunction)

Replace the power seat control module. Power Seat System > REMOVAL

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.

Dtc b2605 battery control low
DTC DETECTING CONDITION:During the motor operation, voltage for power seat control module drops for a moment. (7.5 V or less)TROUBLE SYMPTOM:• Seat positions cannot be memorized.• Seat ope ...

Dtc b2603 epb control
DTC DETECTING CONDITION:Detection of EPB abnormal signal continued for a certain period of time (2100 ms) or more.TROUBLE SYMPTOM:Seat operation is possible with manual operation, but not with memory ...

Other materials:

Installation
1. TOUCH SENSOR UPR1. Install the power rear gate touch sensor UPR.(1) Clean the bracket surface of the touch sensor UPR to remove dust and dirt fully.(2) Using a sponge, apply primer to the bracket surface of the touch sensor UPR that is not covered with masking tape.CAUTION:• Do not apply pr ...

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