DTC P2251 Alfa Romeo

O2 Sensor Negative Current Control Circuit-Open Bank 1 Sensor 1

O2 Sensor Negative Current Control Circuit-Open Bank 1 Sensor 1

Description

The Powertrain Control Module (PCM) detects an open on the O2 Sensor 1 1 Signal circuit.

Cause and Solution

O2 Sensor 1 1 Signal Circuit Open High Resistance
O2 Sensor 1 1

Video Guide

Duration: PT3M56S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P2251
  • Brand: Alfa Romeo
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