WenmarOpen by Wenmar Pro

P0139 on the 2015 Nissan Armada

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

Bulletins for this model year that name P0139
NTB150562021-05-10. Service bulletin. IF YOU CONFIRM One or more of the following DTCs are present: * P0139 - HO2S2 (B1) (Heated oxygen sensor 2 circuit slow response) * P0159 - HO2S2 (B2) (Heated oxygen sensor 2 circuit slow response) NOTE: Do not replace O2 sensors for the DTCs above if the vehicle?s current ECM part number is in TABLE A on page 5. ACTION 1. Refer to step 6 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are working on. Please see this bulletin for further details.

1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.