Toyota Prius 2017 — technical service bulletin
Bulletin T-TT-0420-16 · NHTSA communication 10132851 · issued Oct 6, 2016
Technical service bulletin
communication type
Electrical System
component
2017
model years
1
vehicle entries
Official summary
TT: Techstream cannot perform a DCM (Telematics ECU) Activation following a DCM replacement. Techstream may exhibit an ?ATX web service unavailable? error or similar message when attempting a DCM activation. This is a known condition and will be remedied in the near future.
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.