Diagnostic Trouble Code P0138
P0138 “O2 Sensor Circuit High Voltage (Bank 1, Sensor 2)” What is code P0138? Code P0138 stands for “O2 Sensor Circuit High Voltage (Bank 1, Sensor 2)”. This diagnostic trouble code can show up for a number of problems
P0138 “O2 Sensor Circuit High Voltage (Bank 1, Sensor 2)” What is code P0138? Code P0138 stands for “O2 Sensor Circuit High Voltage (Bank 1, Sensor 2)”. This diagnostic trouble code can show up for a number of problems
