Software Update for PCM to Correct Harsh 2 -3 Shift on Lexus GS300
Problem overview
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 powertrain control module (PCM).
2 people reported this problem
1 commentLexus GS300 vehicles with this problem
1 model year affected
Average mileage: 183,000 miles
(183,000 - 183,000)
Search for another problem
RepairPal ™Car Genius
Ask our experts about your Lexus.
RepairPal Car Genius™ is a free resource for vehicle owners seeking advice on maintenance, auto repair, shop inquiries, estimates, and finding a trustworthy repair shop in your area.
Call us at 877-913-1554
Available 9am – 6pm ET Monday through Friday
