Engine Coolant Temperature (ECT) Sensor

2006 Chevrolet Suburban C1500, 5.3 ZSECTION Engine Coolant Temperature (ECT) Sensor
WARNING: This page is about a different car, the 2006 GMC Sierra and 2006 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Engine Coolant Temperature (ECT) Sensor

GM1538760Courtesy of GENERAL MOTORS CORP.
Connector Part Information 
  • OEM: 15449028
  • Service: 88987978
  • Description: 2-Way F GT 150 Series Sealed (BK)
Pin  Wire Color  Circuit No.  Function 
A BK 407 Low Reference
B YE 410 ECT Sensor Signal
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.