Toyota 4RUNNER 2021–2022 — technical service bulletin
Bulletin 22TC01 Technical · NHTSA communication 10209017 · issued Feb 24, 2022
Technical service bulletin
communication type
Electrical System
component
2021–2022
model years
14
vehicle entries
Official summary
Ti: technical instructions for 22tc01 data communication module (dcm) reprogramming certain 2021 model year c-hr, rav4 prime, tundra certain 2021-2022 4runner, highlander, highlander hv, prius prime, sequoia, tacoma certain 2022 prius
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.