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Alfa Romeo DTC

Alfa Romeo DTC P0031

Manufacture

Alfa Romeo DTC

Code

P0031

Definition

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

  • O2 1 1 Heater Control Circuit Shorted To GroundO2 1 1 Heater Control Circuit Shorted To The O2 Sensor Ground CircuitO2 Sensor 1 1Powertrain Control Module (Pcm)

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