Nissan Pathfinder 2021–2022 — technical service bulletin
Bulletin NTB21-072 · NHTSA communication 10201219 · issued Aug 6, 2021
Technical service bulletin
communication type
Equipment
component
2021–2022
model years
2
vehicle entries
Official summary
AC INOPERATIVE WITH DTC B20C8-14 STORED IN THE IPDM E/R IF YOU CONFIRM The AC compressor is not engaging when the AC is in the ON position, as indicated by the yellow illumination on the AC button, AND DTC B20C8-14 ECV (ELECTRICAL CONTROL VALVE) is stored in the IPDM E/R. ACTION Update the IPDM E/R to the latest software version.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.