Technical Service Bulletin R1720 2010-12 Al — 2011 NISSAN ALTIMA

Non-Methane Organic Gases (NMOG) Engine Control Module (ECM) Reprogram Voluntary Emission Recall Campaign ***** Campaign Summary ***** Nissan is conducting a Voluntary Emissions Recall Campaign on approximately 116,479 specific MY2010-12 Altima 2.5L SULEV vehicles identified in Service Comm to reprogram the Engine Control Module (ECM) to assure compliance with the applicable United States SULEV emission specifications. The subject vehicles may be equipped with an improperly calibrated ECM that, if not repaired, may potentially cause exhaust gas emissions to exceed standards at high mileage. This incident has no effect on safety, performance, drivability or fuel consumption. In addition to reprogramming the ECM, Nissan is also extending the emission warranty coverage on the front exhaust tube in the unlikely event that Diagnostic Trouble Code (DTC) P2423 is present, to the following: *All other warranty terms remain the same. ***** What Dealers Should Do**** 1. Verify campaign applicability using Service Comm or DBS National Service History – Open Campaign I.D. R1720. 2. Dealers should use NTB20-022 to remedy any vehicles subject to this campaign. 3. Once repaired, dealers should submit the claim, using the claims coding provided, and release the vehicle. 4. For verification of warranty extension coverage, refer to the extended warranties section in Service Comm or DBS National service history. Coverage will be identified as: L32 NMOG EXT_DTC P2423 NTB20-020.