DTC P0131 Audi

O2 Sensor Circuit, (Bank 1 Sensor 1) Low Voltage

O2 Sensor Circuit, (Bank 1 Sensor 1) Low Voltage

Description

Battery Voltage, 10.7 - 16.1 V Engine start, completed Engine speed, > 25 RPM

Cause and Solution

HO2S Fuses
HO2S terminal corrosion
Open between HO2S and Power supply relay
Open or Short? between HO2S and ECM
Faulty HO2S

Video Guide

Duration: PT4M4S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P0131
  • Brand: Audi
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