× 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 March 2012

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
2004 Jeep Liberty Sport 3.7L MIL Lamp on VIN: 1J4GK48K14
P0138: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage. ... now is setting p0141, and p0138. we replaced the harness from the pcm to b1s2 o2, and still have these two codes returning. the pcm is aftermarket, the b1s2 o2 is an Oem from our jeep dealer. since the pcm, wiring and o2 ...
March 01, 2012