P1170 Possible Causes
- Faulty HO2S-11 sensor
- HO2S-11 sensor harness is open or shorted
- Poor electrical connection in HO2S-11 sensor circuit
How to Fix Code P1170?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
- Check Engine Light on (or Service Engine Soon Warning Light)
P1170 Meaning
HO2S-11 No Switch Detected is the generic description for code P1170, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about OBDII code P1170.