Nissan typically provides two separate layers of protection for catalytic converters. The Basic New Vehicle Limited Warranty covers most components for a shorter window, while the Federal Emissions Control Warranty offers extended protection specifically for smog-control devices. Determining which applies requires checking both the vehicle's current mileage and the total time elapsed since the original purchase date.
Coverage is not universal; it is contingent on the failure being a manufacturing defect rather than external damage. Factors such as engine malfunctions, poor fuel quality, or physical impact from road debris can void a claim. Trusted Ledger suggests reviewing your owner's manual to confirm the specific duration of the emissions warranty for your model year.