DTC P0135 Alfa Romeo
O2 Sensor Heater Circuit Bank 1 Sensor 1
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 and Solution
High Resistance In The O2 Sensor 1 1 Heater Control Circuit
High Resistance In The O2 Sensor 1 1 Heater Ground Circuit
O2 Sensor 1 1
Video Guide
Diagnostic Info
- DTC Code: P0135
- Brand: Alfa Romeo