Join Now
International Automotive Technicians Network

P0155 Diagnostic Trouble Code Discussion for December 2014

Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Performance


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 P0155
Help Request Posted
2006 Jeep Commander Limited 5.7L Misfire, MIL Lamp on VIN: 1J8HG58266
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Performance. ... bank - cyl 2,4,6,8. Has code p0155 heater performance b2s1. O2 was replaced w/oem part, code still there. Swapped o2 with b1s1. Still have same code. Heater reads 99% all the time with no change. If I disconnect the sensor then heater % value goes to 0%. T...
December 11, 2014