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October 21, 2019 Service bulletin

TT: To assist with the early detection and early resolution of audio related concerns, it may be requested...

Lexus technical service bulletin L-TT-0271-19 for 2019-2020 Lexus ES350, 2018-2020 Lexus IS 300 and 2019-2020 Lexus ES Hybrid and others.

Bulletin number
L-TT-0271-19
Component
Equipment
Summary
TT: To assist with the early detection and early resolution of audio related concerns, it may be requested as part of the remanufactured head unit return to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by audio suppliers, FTS, and/or FPEs.

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