DTC P0137 Audi

O2 Circuit Low Voltage (Bank 1, Sensor 2)

O2 Circuit Low Voltage (Bank 1, Sensor 2)

Description

ECT at engine off, >60° C ECT @ start < 39.8° C O2S rear dewpoint exceeded O2S rear fully heated fault debouncing time at low fuel level 600 Sec

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: PT4M11S | Uploaded: 2020-04-29

Diagnostic Info

  • DTC Code: P0137
  • Brand: Audi
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