Chinese joint venture FAW Toyota is conducting its second major recall of the bZ3 EV in eight months since its global launch. According to published information, the company is recalling the Toyota bZ3 model due to a faulty programmed battery management system. Here are the details…
Toyota bZ3 being recalled due to battery management system
Some of the more than 25,000 electric sedans produced this year offer inaccurate estimates of remaining battery capacity, with some even losing all their power without warning. Regarding electrification, the joint venture currently brings together two electric vehicles under Toyota’s “Beyond Zero” (Bz) lineup: the bZ4X SUV and the bZ3 sedan.
Launching in October 2022, the bZ3 began production in China in early March 2023. As of April, FAW-Toyota started the first sales in the market, but as of July, it came up with the first recall.
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More than 12,000 bZ3s were affected by the recall related to faulty door handles fitted to electric vehicles. The number of Toyota sedans on the roads in China has more than doubled since then, so this second recall potentially covers a larger group of affected EVs.
According to an announcement on the website of China’s State Administration for Market Regulation (SAMR), FAW-Toyota has recalled 25,815 bZ3 EVs effective immediately. The recall cites improper programming of the vehicle’s battery management controller, which can cause residual power estimates to deviate excessively from the actual remaining range in some EVs.
This deviation particularly affects Toyota EVs that have not been fully charged multiple times in a row and driven at high speeds. In addition to inaccurate remaining battery estimates on the vehicle’s displays, Toyota’s filing states that the electric model will completely lose power without any low charge warning in situations such as extreme temperature drop/rise.
