WARNING: This page is about a different car, the 2024 Lexus ES 250, 2023 Lexus ES 250, 2022 Lexus ES 250, and 2021 Lexus ES 250. However, it is still accessible from the selected car via links, so may be relevant.
One of the following conditions is met
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ROM check sum
Error
RAM read and write check
Fail
Specific software routine A operation period check