A P0420 diagnostic code on your 2024 Toyota Camry indicates that the catalytic converter efficiency has dropped below acceptable thresholds. On a brand-new vehicle, this code requires careful diagnosis as converter failure is unusual this early.
2024 Camry Engine Options
- 2.5L 4-cylinder: Standard engine (203 hp)
- 2.5L Hybrid: 4-cylinder with electric motors (225 hp combined)
- 3.5L V6: Available on select trims (301 hp)
V6 models have dual-bank exhaust where P0420 affects Bank 1 specifically.
P0420 on a New Vehicle
True converter failure is rare on new vehicles. More likely causes:
- O2 Sensor Issues: Faulty sensors creating false codes
- Exhaust System Problem: Manufacturing defects or loose connections
- Software Calibration: ECM may need update
Warranty Coverage
A 2024 Camry is fully covered under warranty. Have Toyota dealer diagnose at no cost.