Subaru Crosstrek 2015–2018 — technical service bulletin
Bulletin 11-197-20 · NHTSA communication 10171917 · issued Feb 11, 2020
Technical service bulletin
communication type
Electrical System
component
2015–2018
model years
8
vehicle entries
Official summary
This bulletin announces availability of reprogramming files to optimize the Engine Control Module (ECM). These new files address concerns of the check engine light coming on and setting a DTC P0400: EGR â Aâ FLOW. The DTC can set if the ECM tests the EGR system when ambient / intake air temperatures are below freezing.
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.