Denso 550-0203 Tire Pressure Monitoring System Sensor

Denso OE Manufactured TPMS Sensor for Acura TSX

This Denso Tire Pressure Monitoring System sensor is built for direct-fit service on select Acura and Honda applications, including the 2009-2014 Acura TSX. It is an OE Manufactured replacement that communicates real-time tire pressure data to the vehicle’s TPMS system.

Key Features

• Direct TPMS sensor with electric power source
• Real-time pressure signal transmission
• Clamp-in mounting method for OE-style service
• Mounting hardware included
• Gasket or seal included
• Supports vehicle functions such as fill assist and auto locate
• Preserves diagnostic trouble codes during service

OE Manufactured Product Line

Denso’s OE Manufactured line focuses on replacement parts built to match the vehicle’s original system requirements. For TPMS service, that means a sensor designed to work with the factory monitoring setup while maintaining system behavior and diagnostic capability. Part number 550-0203 is a direct replacement choice for drivers and technicians servicing Acura TSX and select Honda TPMS applications.

Detailed Description

Part number 550-0203 is a Denso direct TPMS sensor engineered for vehicles that use a clamp-in sensor design and 315 MHz frequency. It is listed for the 2009-2014 Acura TSX and cross-references Acura 42753TL2A52 as well as Honda 42753SYVA52, 42753SYVA510, 42753SYVA520, 42753TL2A52, and 42753TLAA52 for the same application. This sensor is intended to restore accurate tire pressure reporting and maintain OE system functions after sensor replacement.

What It Helps Address

• TPMS warning light caused by a failed sensor
• Loss of tire pressure signal transmission
• Incorrect or missing pressure readings in the instrument cluster
• Service needs after wheel or tire replacement on a 2009-2014 Acura TSX
• System faults related to an aging clamp-in TPMS sensor

Installation Notes and Tips

Fits 2009-2014 Acura TSX, N/A. This clamp-in TPMS sensor uses a 315 MHz frequency and 35 in-lbs torque specification noted in the fitment data. After installation, the vehicle manufacturer’s relearn procedure may be required to register the sensor with the TPMS system. A trusted repair shop may be needed to complete relearn on some vehicles.

Quality Assurance

Denso designs this TPMS sensor for direct integration with the vehicle’s factory monitoring system, preserving diagnostic trouble codes and supported OE functions. It is built for applications that cannot be reverse engineered, including high-line and analog systems, while maintaining original system behavior.