Subaru BRZ 2020–2022 — technical service bulletin
Bulletin 18-217-22R · NHTSA communication 10209927 · issued Mar 9, 2022
Technical service bulletin
communication type
Equipment
component
2020–2022
model years
7
vehicle entries
Official summary
This bulletin announces Service Manual corrections for the diagnostic trouble tree for DTC B1788.
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.