Toyota 4RUNNER 2020 — technical service bulletin
Bulletin T-TT-0575-19_Rev · NHTSA communication 10172862 · issued Feb 25, 2020
Technical service bulletin
communication type
Equipment
component
2020
model years
6
vehicle entries
Official summary
TT: Some new vehicles may experience the SOS/Telematics functions inoperative during Pre-Delivery Inspection or after replacement. The following procedure outlines the process to activate the DCM with the cellular network.
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.