Lexus CT Hybrid 2018–2021 — technical service bulletin

Bulletin L-TT-0286-20 · NHTSA communication 10174907 · issued Apr 15, 2020

Technical service bulletin

communication type

Equipment

component

2018–2021

model years

vehicle entries

Official summary

TT: After performing a battery test using the DCA-8000 battery diagnostic charger and the battery health has been considered a ?Good? condition, the DCA will automatically enter a post-test charging mode. In the post-test charging mode, the DCA analyzes the current state of charge of the battery and automatically begins to charge the battery to a fully charged condition, 100% state of charge. The time required to charge the battery to full will vary. Once the DCA enters the post-test charging mode the battery test has been completed, and further charging can be conducted under the Technician?s

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.