TSB Document:

Affected Component: ELECTRICAL SYSTEM

Summary
TSB: REVISION NOTICE October 28, 2019 Rev1: ? The entire bulletin has been updated. Any previous printed versions of this bulletin should be discarded. Some 2016 ? 2019 model year Prius vehicles equipped with a NiMH HV battery may exhibit one or both of the following conditions after repeated driving on long downhill slopes or while driving in high ambient temperatures, then turned off for approximately 1 ? 2 hours, and restarted: ? When accelerating from a stop or from extremely low speeds, the vehicle may have a reduction in power. ? The HV battery monitor on the multi-information display continually shows one bar, indicating that the battery State-Of-Charge (SOC) is at its lowest level. The Hybrid Control Computer (HV ECU) logic has been modified to reduce the possibility of these conditions. Follow the Repair Procedure in this bulletin to address these conditions condition.

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Date Published
OCT 28, 2019
NHTSA TSB #
10167969
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