DTC P0040 Audi

O2 Sensor Signals Swapped Bank 1 Sensor 1 Bank 2 Sensor 1

O2 Sensor Signals Swapped Bank 1 Sensor 1 Bank 2 Sensor 1

Description

Lambda control, Closed loop VVT, Ready, no fault

Cause and Solution

HO2S-11 and HO2S-21 harness connectors are swapped
HO2S-11 and HO2S-21 wiring is crossed inside the harness
HO2S-11 and HO2S-21 wires are crossed at 104-pin connector

Video Guide

Duration: PT4M8S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P0040
  • Brand: Audi
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