Following the P0446 Trail on Your 2019 Nissan Rogue
A P0446 code on your 2019 Rogue indicates the ECM found an electrical malfunction in the EVAP vent control circuit. Nissan's canister close valve isn't responding within expected parameters—a circuit-level fault that directs the investigation toward electrical components rather than vapor leaks.
The 2019 Rogue is the final year of the second generation (T32), powered by the 2.5L QR25DE four-cylinder with a CVT. After six years of family duties, the canister close valve and its wiring are prime candidates for the age-related electrical degradation that triggers P0446.
Clues You've Found
- Check engine light on with P0446 stored
- Fuel pump nozzle clicking off during fill-ups
- EVAP readiness monitor won't complete
- Failed emissions inspection
- Normal CVT and engine operation
Ranked Suspects
Six years of real-world data confirms these causes for the 2019 Rogue:
- Canister Close Valve Failure (High Likelihood): The primary P0446 cause. After six years, the valve's coil degrades or the valve sticks mechanically. Parts: $45–$90, labor: $80–$150.
- Corroded Wiring or Connector (High Likelihood): Road spray and seasonal temperature changes corrode the canister close valve's electrical connections. Repair: $75–$200.
- Charcoal Canister Saturation (Medium Likelihood): Years of fuel overfilling damage the canister. The T32 Rogue's fuel system is sensitive to overfilling. Replacement: $120–$270.
- Leak Detection Pump Wear (Medium Likelihood): Nissan's leak detection pump can wear after six years of cycling, affecting EVAP system diagnostics. Replacement: $140–$280.
- Ground Circuit Corrosion (Low Likelihood): A corroded ground connection creates resistance in the canister close valve circuit. Cleaning: $50–$100.
Diagnostic Steps
Confirm P0446 with an OBD-II scan. Locate the canister close valve near the charcoal canister at the rear of the Rogue. Inspect the connector, test resistance, and verify valve operation with 12V. The second-gen T32 Rogue provides reasonable access to EVAP components from under the vehicle.
Warranty Status
Your 2019 Rogue is past Nissan's 3-year/36,000-mile bumper-to-bumper warranty. The federal emissions warranty of 8 years/80,000 miles covers EVAP components through 2027. If your Rogue has fewer than 80,000 miles, a Nissan dealer may handle this at no cost.
Case Closed
The P0446 on your 2019 Rogue is a common code with a clear repair path. The canister close valve is the most frequent fix, and it's an affordable repair. Check the emissions warranty while you still can—coverage through 2027 means time is limited but still available. Your crossover's daily utility and family comfort aren't compromised.