Keep your engine control system reading coolant temperature accurately with the Standard Ignition Engine Coolant Temperature Sensor TX229. This GM-specific, direct-fit OE replacement drops into applications such as the 2013-2022 Buick Encore [L4-1.4L], 2011-2018 Chevrolet Cruze [L4-1.4L], 2015-2019 Chevrolet Colorado [L4-2.5L], 2016-2025 Chevrolet Malibu [L4-1.5L], and 2010-2017 GMC Savana 2500 [V8-6.0L] — see the Buyer's Guide tab for the full 62-application list. It mounts at the radiator and measures the coolant/antifreeze temperature, sending that signal to the engine control system.
- Real-time readings: monitors coolant temperature and reports it to the engine management system for temperature-based control.
- Factory calibrated: set to the OE temperature set point for dependable electrical contact.
- Plug-in connection: single oval female connector with two male pin terminals for direct attachment.
- Built for the environment: high-quality materials designed to withstand extreme conditions and rigorously tested for out-of-the-box reliability.
If a failed coolant temperature sensor is the cause of an inaccurate temperature gauge, hard cold starts, or a coolant-temp-related check engine light, this replaces it — diagnose the cause before replacing. Country of origin: Thailand.
Interchange: WT5239 · 93049 · SU13822 · TS5839 · 12641073 · 12641368 · 12656493 · 23167457 · 55353807 · 55563530 · 55591002 · 55591401 · 89019319 · TS5839SB · TX229T. Manufacturer part number TX229.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does the TX229 coolant temperature sensor do?
It measures the temperature of the coolant/antifreeze and sends that signal to the engine control system, which uses it for temperature-based engine management.
Where does this sensor mount?
This unit is cataloged for the radiator position on the listed GM applications. Confirm the correct location for your vehicle in the service information.
How many sensors do I need?
Quantity varies by application — most listed vehicles use one, while some (such as the Cadillac ELR and Chevrolet Volt) use up to three. This listing is for one sensor.
Will this fit my vehicle?
It's a direct-fit OE replacement for many 2008-2025 GM cars and trucks, including Buick, Cadillac, Chevrolet, GMC and Saturn models. Check the Buyer's Guide tab for the full list.
What are signs this sensor may need replacing?
An inaccurate temperature gauge, hard cold starts, rough idle, or a coolant-temp-related check engine light may indicate a failed sensor. Diagnose the cause before replacing.
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