P0441 on Your 2024 Acura TLX: A Quick Resolution
Your 2024 Acura TLX — the sport sedan with the 2.0L turbo I4 (272 hp) or Type S 3.0L turbo V6 (355 hp) — has triggered P0441. On a new vehicle, this is a warranty repair. Honda/Acura's EVAP system is proven, and P0441 typically indicates a specific defect or software need easily resolved at the dealer.
Symptoms You Might Notice
- Check engine light (steady)
- Normal turbo power and sport sedan dynamics
- SH-AWD and all features working
- Possible faint fuel smell
Common Causes
1. Bypass Solenoid Valve Defect
A factory-defective purge valve that doesn't manage boost-to-vacuum transitions properly.
2. PCM Software Update
Honda/Acura calibration refinements may adjust EVAP monitor thresholds. A quick Honda HDS flash.
3. Canister Vent Shut Valve Defect
A factory-defective vent valve.
4. Assembly Connection
An EVAP hose not fully seated during manufacturing.
What to Expect at the Dealer
- Bring your TLX to Acura — warranty covered
- Honda HDS scan and TSB check
- Software update or component replacement
- Verification drive
Repair Cost Breakdown
- Under Acura warranty: $0
- Bypass solenoid (if out of warranty): $140 – $320
- Software update (if out of warranty): $100 – $175
Can I Drive With P0441?
Yes. Your TLX performs identically — turbo power, SH-AWD, sport modes all work perfectly.
DIY vs Professional
Take it to Acura. Your 2024 TLX is covered under the 4-year/50,000-mile warranty and 6-year/70,000-mile powertrain warranty. Federal emissions warranty adds 8 years/80,000 miles.