P0138 Diagnostic Trouble Code Discussion for April 2024
Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P0138
| Help Request | Posted | |
| 2006 Toyota Tundra Limited 4.7L Excessive Emissions, MIL Lamp on VIN: 5TBDT48146 P0138: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage. ... issues. P0138 Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2) code sets when pcm runs active test for 20 sec (once per drive cycle) with target lean, rear O2S voltage above 0.59V. I performed (forced lean/rich test) from scan tool while watchin... |
April 25, 2024 |
