Subaru Legacy 2015–2018 — technical service bulletin
Bulletin 06-77-20R · NHTSA communication 10182218 · issued Oct 15, 2020
Technical service bulletin
communication type
Equipment
component
2015–2018
model years
11
vehicle entries
Official summary
This bulletin announces the availability of reprogramming files to optimize the control module for the Vehicle Dynamics Control system (VDCCM). DTCs C1531 and/or C1741 may set, the Hill Holder warning lamp and cancellation alarm may activate and/or the VDC warning lamp can illuminate.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.