Toyota 4RUNNER 2021–2022 — technical service bulletin
Bulletin 22TC01 Dealer Le · NHTSA communication 10209015 · issued Feb 24, 2022
Technical service bulletin
communication type
Air Bags
component
2021–2022
model years
14
vehicle entries
Official summary
DL: Due to improper programming of the Data Communication Module (DCM), which provides cellular communication in various situations, including emergencies, the driver and Safety Connect operator may not be able to hear each other?s voices during a Safety Connect call
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.