P1131 AUDI Possible Causes
- Faulty oxygen sensor heater, bank 2 sensor 1 (HO2S21)
- Oxygen sensor heater, bank 2 sensor 1 wiring harness open or short circuit
- Oxygen sensor heater, bank 2 sensor 1 circuit, poor electrical connection
How to Fix P1131 AUDI Code?
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.
Possible Symptoms
- Check Engine Light on (or soon-to-be-on Engine Warning Light)
P1131 AUDI Meaning
HO2S21 Heater Resistance Too High is the generic description for Audi P1131 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we do not have more information about the Audi P1131 OBDII code.