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Service bulletin NTB18-018

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10134857
Published by NHTSA2018-04-23
Manufacturer's numberNTB18-018
Manufacturer's date2018-03-01
NHTSA componentELECTRICAL SYSTEM:STARTER ASSEMBLY

NHTSA's summary

2013-2015 ALTIMA; ROUGH IDLE ON START UP IF YOU CONFIRM Under the conditions listed below, when the engine is started it runs rough (rough idle) for a few seconds, and then will idle normally: - Ambient temperature is between 25°F and 45°F (-4°C - 7°C). - The engine has been OFF (not running) long enough for the engine to be close to the same temperature as the ambient temperature (about 6 hours). NOTE: This bulletin does not apply to the following issues: - Engine does not start. - Engine has a long crank time before starting. ACTION 1. Inspect the PCV valve (see page 2). - If the PCV valve is orange in color, replace it. - See the PARTS INFORMATION. - If the PCV valve is black in color, do not replace it. 2. Refer to step 6 in the SERVICE PROCEDURE to confirm if a reprogram is available for the vehicle you are working on. 3. If a reprogram is available, reprogram the ECM.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Starter

Vehicles listed
NISSAN ALTIMA2013, 2014, 2015

Listing a model year does not mean every vehicle of it is concerned: the document says which.