Standard Ignition SC306 Automatic Transmission Output Shaft Speed Sensor

Automatic Transmission Output Shaft Speed Sensor

Standard Ignition SC306 is a direct-fit automatic transmission output shaft speed sensor and vehicle speed sensor replacement for select Chrysler, Dodge, Jeep, Ram, and Mitsubishi applications. It is built with OE-style fitment to simplify installation and uses durable materials for service in demanding transmission environments.

Compatible with vehicles such as the Jeep Liberty, Jeep Wrangler, Dodge Dakota, Dodge Nitro, Dodge Charger, and Ram 1500, this sensor supports accurate transmission speed signal input for drivability and shifting performance. Standard Ignition SC306 is a practical replacement when the original sensor is failing or producing inconsistent readings.

Key Features

• Direct-fit OE replacement for the automatic transmission output shaft speed sensor
• Mounted on transmission with bolt-mount installation
• Female rectangular plug-in connector with 2 blade terminals
• Built with materials selected to withstand harsh operating conditions
• Extensively tested for reliability and consistent performance
• No wiring harness included

Detailed Description

Standard Ignition SC306 is engineered as an OE-style transmission output sensor / vehicle speed sensor for applications that require a precise speed signal from the transmission. The sensor mounts directly on the transmission and uses a rectangular female connector, making it a straightforward replacement for the original unit. This part number is commonly searched as SC306 for Chrysler, Dodge, Jeep, Ram, and Mitsubishi fitments, including Jeep Liberty, Jeep Wrangler, Dodge Dakota, Dodge Nitro, Dodge Charger, and Ram 1500 applications. This part cross-references Delphi SS12253 for the same application.

What It Helps Fix

• Erratic or missing vehicle speed signal
• Harsh, delayed, or inconsistent shifting
• Transmission warning lights related to speed sensor faults
• Speedometer operation issues caused by a failed output shaft sensor
• Driveability problems tied to incorrect transmission speed data

Installation Notes and Tips

• Verify connector style, terminal count, and transmission mounting location before installation.
• Confirm vehicle-specific fitment, especially for Dodge Dakota and Dodge Durango applications with a 14-bolt transmission pan.
• Inspect the connector and wiring for corrosion or damage before replacing the sensor.
• Clear diagnostic trouble codes after installation and road test the vehicle to confirm proper operation.

Quality Assurance

Standard Ignition maintains quality control throughout the manufacturing process and tests this sensor for reliability. SC306 is built to meet the demands of transmission service and replacement work.