DTC P0031 Alfa Romeo

Ho2s Heater Control Circuit-Open Bank 1 Sensor 1

Ho2s Heater Control Circuit-Open Bank 1 Sensor 1

Description

The Powertrain Control Module (PCM) detects that the O2 1 1 Heater Control circuit voltage is below a calibrated threshold.

Cause and Solution

O2 1 1 Heater Control Circuit Shorted To Ground
O2 1 1 Heater Control Circuit Shorted To The O2 Sensor Ground Circuit
O2 Sensor 1 1

Video Guide

Duration: PT4M1S | Uploaded: 2020-04-28

Diagnostic Info

  • DTC Code: P0031
  • Brand: Alfa Romeo
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