P00D6
HO2S Sensor Correlation Bank 2 Sensor 1/Bank 2 Sensor 2
Generic OBD-II
Common symptoms
What you'll notice
- Check the wiring and connectors for the HO2S sensors on bank 2.
- Inspect and clean the HO2S sensors on bank 2.
- Replace the HO2S sensors on bank 2 if they are malfunctioning.
- Analyze and fix any exhaust leaks on bank 2.
- Perform an engine tune
- up to ensure proper fuel mixture and combustion on bank 2.
Common causes
Most likely first
- Faulty oxygen sensor (HO2S) in bank 2 sensor 1
- Faulty oxygen sensor (HO2S) in bank 2 sensor 2
- Wiring issues or loose connections in bank 2 sensor 1
- Wiring issues or loose connections in bank 2 sensor 2
- Engine control module (ECM) malfunction or failure in monitoring the sensor correlation in bank 2 sensor 1 and bank 2 sensor 2.
How to diagnose & fix
Work through it in order
- Check engine light illuminates on the dashboard
- Decreased fuel efficiency and poor fuel economy
- Engine misfires or runs rough
- Difficulty starting the engine
- Loss of power while driving
Read & clear P00D6 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.