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Home >> Subaru >> 2023 >> Ascent Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Memory Modules >> Power Seat Memory System (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC B260C: Control Module Communication Stuck
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DTC B260C: Control Module Communication Stuck

DTC detecting condition: 

When stuck in register of CAN controller is detected.

Trouble symptom: 

Seat memory registration/restoration is unable to be performed.

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 OFF.
    2. Disconnect the seat position memory control module connector.
    3. Connect the disconnected connectors.
    4. Turn the ignition switch OFF → ON.
    5. Read the DTC of [Power Seat Memory] using the Subaru Select Monitor. Ref. to POWER SEAT MEMORY (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

    Is DTC B260C displayed? (Current malfunction)

    Yes Replace the seat position memory 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.