P0546 Chevrolet Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 1
Possible causes
– Faulty Exhaust Gas Temperature Sensor
– Exhaust Gas Temperature Sensor harness is open or shorted
– Exhaust Gas Temperature Sensor circuit poor electrical connection
– Exhaust Gas Temperature Sensor harness is open or shorted
– Exhaust Gas Temperature Sensor circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)