ACDelco 24298199 Automatic Transmission Input Speed Sensor

The ACDelco 24298199 is a GM Genuine Parts automatic transmission input speed sensor (TISS/CISS) designed to monitor and report input shaft speed to the transmission control module. This critical sensor enables the TCM to accurately calculate gear ratios, detect transmission slippage, and optimize shift timing for smooth operation.

Key Features:

• Genuine GM OEM component for reliable performance
• Monitors transmission input shaft speed for proper shift control
• Helps transmission control module detect internal clutch slippage
• Essential for proper speedometer, cruise control, and transmission operation
• Direct replacement for worn or failed original sensor

When the transmission input speed sensor fails, symptoms may include harsh shifting, transmission stuck in one gear, speedometer malfunction, or illuminated check engine light with transmission-related codes. This ACDelco sensor restores proper transmission function and communication with the vehicle's electronic control systems.