Toyota Mirai 2015–2016 — technical service bulletin
Bulletin T-SB-0087-14 REV · NHTSA communication 10092018 · issued Sep 1, 2015
Technical service bulletin
communication type
Electrical System
component
2015–2016
model years
8
vehicle entries
Official summary
Tsb: prius and mirai vehicles are equipped with 2 types of batteries: hybrid vehicle (hv) battery 12-volt auxiliary battery if prius or mirai vehicles are put into storage, the state of charge (soc) of its hv battery and auxiliary battery will gradually decrease. To prevent the auxiliary battery from becoming discharged during storage, proper maintenance is necessary. Please perform the following maintenance service for the hv battery and 12-volt auxiliary battery. Note before disconnecting the auxiliary battery, confirm the shift lever is in the p position and apply the parking brake complete
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.