Skip to content

P0030 Code – HO2S Heater Control Circuit Bank 1 Sensor 1

Code P0030 Possible Causes
Heated Oxygen Sensor Bank 1 Sensor 1 circuit fuse
Heated Oxygen Sensor Bank 1 Sensor 1 circuit poor electrical connection
Heated Oxygen Sensor Bank 1 Sensor 1 harness is open shorted to ground
Faulty Engine Control Module ECM
Faulty Heated Oxygen Sensor H2OS Bank 1 Sensor 1

Need help with this code? Our mechanics are available within west Michigan to help. Outside of our service area? Visit our Car Help Section where you can ask questions and get answers.

Leave a Reply