Question

I need a fix for engine code P00B4 to fix the check engine on my 2009 Chevrolet Aveo

Answer 1

P00B4 Radiator coolant temperature sensor circuit high condition

Sensor high condition are disconnection code, Somehow you got disconnected from the sensor, The radiator sensor is the sensor at the radiator, check the connection improper connection especially at the mating terminal or a open at its harness

Answer 2

P00B4 Chevrolet Code - Radiator Coolant Temperature Sensor Circuit High Voltage
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