Subaru Crosstrek Service Manual: Dtc b2809 vdc malfunction

Detected when error occurs in the VDC. (VDC failure)

When lost communication with vehicle dynamics control and vehicle dynamics control module abnormal or VDC echo back disagreement occur simultaneously, perform diagnosis for lost communication with vehicle dynamics control first.

NOTE:

Check the VDC. Basic Diagnostic Procedure > PROCEDURE">

Dtc b2807 ecm abnormal

Dtc b280a vdc echo back disagreement

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