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Service bulletins for the 2019 Nissan Altima

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.

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

About P161D on the 2019 Nissan Altima: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P161D are shown. Show all

Bulletins, newest first
NTB19-008C2022-02-10. Service bulletin. ELECTRICAL SYSTEM. NISSAN; DIAGNOSIS INFORMATION FOR DTC P161D This bulletin is no longer active. Please discard previous versions of NTB19-008.
NTB19-008b2021-03-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. NISSAN; DIAGNOSIS INFORMATION FOR DTC P161D This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB19-008a2019-05-20. Service bulletin. ELECTRICAL SYSTEM; STEERING. NISSAN; DIAGNOSIS INFORMATION FOR DTC P161D This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB19-0082019-02-19. Service bulletin. EQUIPMENT. NISSAN; DIAGNOSIS INFORMATION FOR DTC P161D SERVICE INFORMATION When key registration is unsuccessful after BCM replacement, P161D (Immobilizer) will set when the ignition is turned on. Possible causes - Improper key registration - Defective BCM (Vehicles with Intelligent Key only) - EPS control unit (Vehicles with mechanical key only) - Intelligent Key unit (Vehicles with mechanical key only) Trouble Diagnosis NOTE: If DTC B2196-52 is stored with P161D, perform the diagnosis procedure for DTC B2196-52 first. - Before replacing the BCM, confirm that the keys were programmed correctly by ensuring the vehicle will start and that the lock/unlock buttons function normally. - If any keys do not function normally, re-register all of the keys. - After re-registering all of the keys, reconfirm each key's function. - If OK, erase the code to complete the repair. - If NG, diagnose the Key, BCM and/or EPS control unit per the ESM.

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