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June 24, 2015 Service bulletin

Service information

Nissan technical service bulletin NTB15055 for 2005-2015 Nissan Altima, 2008-2015 Nissan Rogue and 2005-2015 Nissan Pathfinder and others.

Bulletin number
NTB15055
Component
Engine and engine cooling: exhaust system: emission control
Summary
SERVICE INFORMATION After ECM reprogramming, the Calibration Verification Number (CVN) needs to be automatically calculated prior to State emissions testing (also known as Inspection Maintainence, I/M, or SMOG testing depending upon location). Allowing the vehicle to idle for 22 minutes will allow for faster CVN calculation. It is recommended that customers utilize this method if the vehicle needs to be tested for emissions soon after ECM reprogramming. See this bulletin for further detail.

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