Software Update for TCM to Correct Harsh 2 -3 Shift on Lexus GS300

Harsh shifting of the automatic transmission between 2nd and 3rd gears may be noted. Our technicians tell us this can often be corrected by updating the software in the transmission control module (TCM).

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Average mileage: 96,580 (96,580–96,580)
2 model years affected: 1998, 2001
3 people reported this problem
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