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Home >> Hummer >> 2009 >> H3 Alpha >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 5.3L - DTC P0016 To DTC P0308 >> DTC P0128 >> Typical Scan Tool Data
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Typical Scan Tool Data

ECT Sensor Temperature

Circuit Short to Ground Open Short to Voltage
Operating Conditions:  Engine operating in Closed Loop
Parameter Normal Range:  Varies with coolant temperature
ECT Sensor Signal 150°C (302°F) -40°C (-40°F) -40°C (-40°F)
Low Reference - -40°C (-40°F) -40°C (-40°F)