× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P0138 Diagnostic Trouble Code Discussion for January 2015

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
2011 Toyota RAV4 Sport 2.5L MIL Lamp on VIN: 2T3RF4DV4B
P0138: high voltage bank one sensor 2 oxygen sensor. hello Im having a hard time with this Toyota. I have a po 138 code that is kicking my a. upstream air fuel sensor is fairly steady at 3.5 volts and my down stream stays at .855 to .9. I have replaced the down stream twice. with an after market the first time t...
January 21, 2015