Join Now
International Automotive Technicians Network

P0138 Diagnostic Trouble Code Discussion for June 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
2007 Jeep Wrangler X 3.8L MIL Lamp on VIN: 1J4FA24177
P0138: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage. ... codes P0138 and p0155. The car was at the dealer for 6 weeks before coming to me. They replaced all the o2 sensors and the PCM and they still have the same faults returning. They said they ohmed the circuits and they passe...
June 30, 2015