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Service bulletins for the 2018 Nissan Armada

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

140 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Cooling system are shown. Show all

Bulletins, newest first
NTB18-0622018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. 2018 ARMADA; MIL ON WITH DTC P0138 AND/OR P0158 IF YOU CONFIRM The MIL is ON with one or both of the following DTCs: - P0138 (Heated oxygen sensor heater 2 [bank 1] circuit high voltage) - P0158 (Heated oxygen sensor heater 2 [bank 2] circuit high voltage) And There are no drivability issues. ACTION 1. Refer to step 6 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are working on. 2. If this bulletin applies, reprogram the ECM.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.