The speed sensor on a 2001 Chevy Impala is located in the
transmission. More specifically, it's usually on the
output shaft of the automatic transmission. It's a small sensor, often with a single wire connector. You'll likely need to get underneath the car to see it clearly. Access may vary slightly depending on the specific transmission type (e.g., 4T65-E).
Important Note: Because it's located within the transmission area, getting to it requires mechanical knowledge and potentially some specialized tools. If you're not comfortable working under your car, it's best to take it to a mechanic for diagnosis and repair.
