DTC P2B8C Alfa Romeo

Intake Air O2 Sensor Heater Circuit Bank 1 Sensor 1

Intake Air O2 Sensor Heater Circuit Bank 1 Sensor 1

Description

The Powertrain Control Module (PCM) detects that the difference between the actual Intake O2 Sensor Heater element resistance temperature and the target resistance temperature is not within a calibrated threshold with the O2 Sensor heater duty cycle above 89.8%.

Cause and Solution

High Resistance In The Intake O2 Sensor Heater Control Circuit
High Resistance In The Intake O2 Sensor Heater Ground Circuit
Intake O2 Sensor

Video Guide

Duration: PT4M10S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P2B8C
  • Brand: Alfa Romeo
Back to Blog