2013-2015 ALTIMA; ROUGH IDLE ON START UP IF YOU CONFIRM Under the conditions listed below, when the engine...

Bulletin number

NTB18-018

Component

Electrical system: starter assembly

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.

Owners of these vehicles have filed 286 complaints in the electrical category.