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P0155 Diagnostic Trouble Code Discussion for December 2014

Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Performance

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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