Harsh Downshift on Deceleration on Suzuki Grand Vitara
Problem overview
A harsh downshift from the automatic transmission my be noted on deceleration. Updating the transmission control module (TCM) software may correct this concern. Software revisions are commonly most helpful on newer vehicles. once the mileage builds up a worn component could cause similar problems. Whenever major transmission work in performed, the transmission software should be updated as necessary.
5 people reported this problem
1 commentSuzuki Grand Vitara vehicles with this problem
Average mileage: 175,500 miles
(151,000 - 200,000)
Search for another problem
RepairPal ™Car Genius
Ask our experts about your Suzuki.
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
