Nissan code po154 P0154 Nissan O2 Sensor Circuit No Activity Detected Sensor … Possible Causes and Repair Information for P0154 Nissan code. Learn what does P0154 Nissan means? P0154 Nissan O2 Sensor Circuit No... Source Read Also: Nissan maxima p0154 98 Nissan maxima p0154 P0134 code nissan P0140 code nissan P0160 nissan Nissan sentra p0140 code