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Alfa Romeo DTC

Alfa Romeo DTC P0135

Manufacture

Alfa Romeo DTC

Code

P0135

Definition

O2 Sensor Heater Circuit Bank 1 Sensor 1

Description

The Powertrain Control Module (PCM) detects that the difference between the actual 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

  • High Resistance In The O2 Sensor 1 1 Heater Control CircuitHigh Resistance In The O2 Sensor 1 1 Heater Ground CircuitO2 Sensor 1 1Powertrain Control Module (Pcm)

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