101 problems have been reported for the 2009 Acura TSX. The following chart shows the 17 most common problems for 2009 Acura TSX. The number one most common problem is related to the vehicle's air bags with 25 problems. The second most common problem is related to the vehicle's service brakes, hydraulic (23 problems).
In our research we use the PPMY index to compare the reliability of vehicles. The PPMY index of a certain model is defined as the problems reported per thousand vehicles per Year. The total sales of the 2009 Acura TSX in the United States are 37,279 units [1]. If the total number of problems reported by Acura TSX owners in the last 15 years is 101, and the age of the vehicle is 15, the PPMY index can then be calculated as
PPMY Index = 101 / 37,279 / 15 * 1000 = 0.18.
For more information, refer to this page: A study of reliability comparison across Acura TSX model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2009 Acura TSX in 2009.
| Service Year | Number of Problems |
|---|---|
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 |
When making the decision between buying a new or used Acura TSX, the following table can be used to compare the 2009 Acura TSX with the Acura TSX from other model years. Note that the number of problems reported for the 2009 TSX is 101 while the average number of problems reported for the 11 model years of the Acura TSX is 69.