Toyota C-HR 2018 — technical service bulletin
Bulletin T-TT-0464-17 · NHTSA communication 10133648 · issued Nov 21, 2017
Technical service bulletin
communication type
Electrical System
component
2018
model years
1
vehicle entries
Official summary
TT: If the battery is disconnected incorrectly, the vehicle may exhibit a MIL ?ON? condition when restarted.
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.