P1109 AUDI Possible Causes
- Faulty HO2S22 sensor
- HO2S22 sensor wiring harness open or shorted
- HO2S22 sensor circuit poor electrical connection
How to Fix AUDI P1109 Code?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Check engine light illuminated (or service engine soon warning light)
P1109 AUDI Meaning
A low air leak voltage of the HO2S22 sensor circuit is the generic description for Audi P1109 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have more information about the Audi P1109 OBDII code.