Standard Ignition SC504 Automatic Transmission Output Shaft Speed Sensor

Reliable Automatic Transmission Output Shaft Speed Sensor

The Standard Ignition SC504 Automatic Transmission Output Shaft Speed Sensor is designed for precise speed monitoring in select Subaru models. This sensor helps maintain smooth transmission operation by providing accurate data to the vehicle’s control system.

• Compatible with Subaru B9 Tribeca, Legacy, Outback, and Tribeca models
• Part number SC504 ensures exact fit and function
• Monitors output shaft speed for automatic transmissions
• Durable construction for consistent performance
• Direct replacement sensor for reliable vehicle operation

Product Overview and Functionality

The SC504 sensor from Standard Ignition is engineered to detect the rotational speed of the automatic transmission output shaft. This information is critical for the transmission control module to regulate shifting and torque converter lockup. Proper sensor function helps prevent transmission slippage, erratic shifting, and other drivability issues. Designed specifically for Subaru B9 Tribeca, Legacy, Outback, and Tribeca models, this sensor meets OEM specifications for fit and performance.

Common Applications and Problem Resolution

• Helps resolve transmission shifting delays or harsh shifts
• Prevents incorrect speedometer readings related to transmission output
• Addresses transmission warning lights triggered by faulty speed data
• Reduces risk of transmission slippage or erratic behavior
• Supports smooth torque converter lockup operation

Installation Notes and Tips

Installation of the SC504 sensor requires access to the transmission output shaft area. It is recommended to disconnect the battery before installation to avoid electrical issues. Ensure the sensor connector is clean and securely attached. Verify proper sensor alignment and torque specifications according to Subaru service guidelines. After installation, clear any transmission-related diagnostic codes and perform a test drive to confirm correct operation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards. The SC504 sensor undergoes rigorous quality control to ensure durability and reliable performance in Subaru B9 Tribeca, Legacy, Outback, and Tribeca vehicles. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in material and workmanship under normal use.