Standard Ignition TX249 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor for Fiat and Jeep

Standard Ignition TX249 is a direct-fit engine coolant temperature sensor for select Fiat and Jeep applications. It restores accurate coolant temperature readings to the vehicle computer and instrument system, helping maintain proper engine management on models such as the Fiat 500, Fiat 500L, Fiat 500X, Jeep Renegade, and Dodge Dart.

Key Features

• Direct-fit replacement for damaged OE coolant temperature sensors
• Bolt-on attachment method for secure installation
• Female square connector with plug-in connection
• 2-pin male terminals for proper electrical interface
• Copper alloy conductors for strong electrical conductivity and low resistive loss
• Built with durable materials for service-professional use
• Engineered to deliver the proper output curve for accurate temperature reporting

Detailed Description

Standard Ignition TX249 is built to replace the original engine coolant temperature sensor on select Fiat and Jeep vehicles, including the Fiat 500, Fiat 500L, Fiat 500X, Jeep Renegade, and Dodge Dart. The sensor uses copper alloy conductors to support stable electrical performance, while its output curve is calibrated to help prevent temperature misreading by the vehicle computer. Standard Ignition TX249 is a practical choice when the original sensor has failed, drifted out of range, or is sending inconsistent coolant temperature data.

This part cross-references Dayco 93036 for the same application.

What It Helps Fix

• Incorrect coolant temperature readings on the dash or scan tool
• Engine control issues caused by inaccurate temperature input
• Hard starting or rough running related to faulty temperature data
• Cooling fan operation problems tied to sensor signal errors
• Check engine lights triggered by coolant temperature sensor faults

Installation Notes and Tips

• Fits 2009-2019 Fiat 500, N/A
• Fits 2014-2016 Fiat 500L, N/A
• Fits 2017 Fiat 500L, N/A, located on thermostat housing
• Fits 2016-2018 Fiat 500X, N/A
• Fits 2015-2018 Jeep Renegade, N/A
• Fits 2014-2016 Dodge Dart, N/A
• Verify connector shape, terminal count, and mounting style before installation
• Inspect the connector and wiring for corrosion or damage when replacing the sensor

Quality Assurance

Standard Ignition builds this coolant temperature sensor with robust materials and electrical specifications intended to meet the demands of professional service work. TX249 is designed as a direct replacement that supports accurate temperature reporting and dependable operation.