DTC P0138 Alfa Romeo
O2 Sensor Circuit High Voltage Bank 1 Sensor 2
O2 Sensor Circuit High Voltage Bank 1 Sensor 2
Description
The Powertrain Control Module (PCM) detects that the O2 Sensor 1 2 voltage is above 4.4 volts for 5.4 seconds.
Cause and Solution
O2 Sensor 1 2 Heater Control Circuit Shorted To Voltage
O2 Sensor 1 2
Video Guide
Diagnostic Info
- DTC Code: P0138
- Brand: Alfa Romeo