P0146 GMC O2 Sensor Circuit No Activity Detected Bank 1 Sensor 3

Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 3– Heated Oxygen Sensor Bank 1 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 3 circuit poor electrical connection Tech description Replacing the O2 Sensor 3 usually takes care of the problem When is the obd code mean? Current amperage…