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Coolant Temperature Sensor Connector

Critical For Operation

Cooling System

Connects the coolant temperature sensor to the vehicle’s wiring harness.

The coolant temperature sensor connector links the temperature sensor to the wiring harness, allowing it to send coolant temperature data to the ECU or gauge.

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Typical part cost
$10–$30🔒
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Typical labor cost
$50–$100🔒
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Typically lasts
80,000–150,000 mi
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Or about
5.0–10.0 years
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DIY difficulty
3/10

⚠️ Owners Often Notice

If the Coolant Temperature Sensor Connector is starting to fail, these are the signs owners most commonly report before it gets worse:

Overheating warning
Check engine light
Poor engine performance
Temperature gauge not working
Blown fuses
Electrical issues

Related Services

Services commonly performed on or around this part.

Replace Coolant Temperature Sensor Connector

No standard interval on file

Inspect Coolant Temperature Sensor Connector

No standard interval on file

Test Coolant Temperature Sensor Connector

No standard interval on file