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Service bulletins for the 2018 Nissan Sentra

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.

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

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
P83072018-06-04. Service bulletin. ENGINE AND ENGINE COOLING. ECM Reprogram Dealer Inventory This bulletin applies only to vehicles equipped with 1.6L engine (SR and NISMO trim levels). *****Dealer Announcement***** Nissan is conducting a quality action to update the Engine Control Module (ECM) software to prevent permanent storage of a DTC as a result of a Multiway Control Valve (MCV) malfunction on 1,013 specific 2018 Nissan Sentra (B17) SR and NISMO vehicles equipped with the MR16DDT engine. If a MCV malfunction occurred and was repaired, the current ECM logic will allow a technician to reset the Malfunction Indicator Lamp (MIL), but the DTC will remain stored in ECM memory. Resulting in Inspection/Maintenance (I/M; a.k.a. smog test) failure when a DTC check is performed at an inspection station. Affected vehicles are not subject to stop sale and are either currently in dealer inventory or assigned and in transit to the dealer. In the interest of customer satisfaction, Nissan requests dealers to update the ECM software on the affected vehicles prior to retail sale. *****What Dealers Should Do***** 1. Verify if vehicles currently in new dealer inventory are affected by this quality action using Service Comm or DBS National Service History ? Open Campaign I.D. P8307 - New vehicles in dealer inventory can also be identified using DBS (Sales-> Vehicle Inventory, and filter by Open Campaign). - Refer to NPSB 15-460 for additional information - Please continue to check newly arriving inventory for campaign applicability. 2. Use the attached procedure to remedy vehicles affected by this quality action. 3. The service department should submit the applicable warranty claim for the action(s) performed so it can be closed on Service Comm and release the vehicle.
NTB16-018c2018-05-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; ENGINE AND ENGINE COOLING. MIL ON WITH P0603 STORED FOR ECM BACK UP CIRCUIT This bulletin does NOT apply to Titan equipped with Cummins V8 Diesel engine. This bulletin has been amended to add a NOTE in the Applied Vehicles. No other changes have been made. Please discard previous versions of this bulletin.
NTB17-1232018-01-29. Service bulletin. ENGINE. 2018 ALTIMA AND SENTRA; DO NOT ERASE DTC P0315 This bulletin applies to vehicles equipped with a 4-cyl (non-turbo) engine only. SERVICE INFORMATION If DTC P0315 is stored on an Applied Vehicle, do not erase it. If DTC P0315 is stored, the description on the CONSULT-III plus screen will be listed as: (TBD) Crankshaft Position System Variation Not Learned. If you find DTC P0315 stored, please note the following: - Do not erase the DTC. - It will not turn ON the MIL. - No diagnosis or repair is necessary. - It will clear itself after a few trips with normal operation of the vehicle. NOTE: If DTC P0315 is erased with C-III plus, the ECM will restart the learning pattern: - The DTC may be stored again before the learning/driving pattern is complete. - The MIL will not come ON. - The DTC will clear itself after a few trips with normal operation of the vehicle.

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