DTC P0038 Audi

HO2S Heater Control Circuit High (Bank 1, Sensor 2)

HO2S Heater Control Circuit High (Bank 1, Sensor 2)

Description

Time after engine start > 5 Sec. Heater, Commanded on

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: PT4M1S | Uploaded: 2020-04-28

Diagnostic Info

  • DTC Code: P0038
  • Brand: Audi
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