P2441: Secondary Air Injection System Switching Valve Stuck Closed (Bank 1)
7 vehicles · 3 makes · $300-$3,000 repair
P2441 is an OBD-II diagnostic trouble code meaning “Secondary Air Injection System Switching Valve Stuck Closed (Bank 1).” The secondary air injection valve on Bank 1 is stuck closed, preventing air injection into the exhaust. This code appears across 7 vehicle models from 3 manufacturers, with repair costs ranging from $300 to $3,000.
Common Causes
Typical Repair Cost
Based on 9 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose P2441, you'll need an OBD-II scanner. Here are our recommendations at every price point.
ANCEL AD310 Classic OBD-II Scanner
by ANCEL
A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).
- Read & clear engine codes
- View freeze frame data
- I/M readiness status
- No batteries or app needed
BlueDriver Pro Bluetooth Scanner
by BlueDriver
Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.
- Enhanced diagnostics (ABS, SRS, transmission)
- Repair Reports with verified fixes
- Smog check readiness
- Free app (iOS & Android)
LAUNCH CRP123X OBD-II Scanner
by LAUNCH
A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.
- Engine, transmission, ABS, SRS diagnostics
- Live data stream & graphing
- AutoVIN for vehicle identification
- Free lifetime updates via Wi-Fi
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
As an Amazon Associate, we earn from qualifying purchases. Prices are approximate and may vary.
Vehicles Affected (7)
Secondary Air Injection Pump Failure (3UR-FE/i-FORCE)
Secondary Air Injection Pump Failure (200 Series)
Secondary Air Injection Pump Failure (4.7L V8)
Secondary Air Injection Pump and Switching Valve Failure on 4.0L V6
Secondary Air Injection Pump/Valve Failure Triggering Limp Mode on 4.7L V8
Secondary Air Injection System Failure (100-Series, 4.7L V8)
FAQ
What does P2441 mean?
P2441 stands for "Secondary Air Injection System Switching Valve Stuck Closed (Bank 1)." The secondary air injection valve on Bank 1 is stuck closed, preventing air injection into the exhaust.
What are the most common causes of P2441?
The most common causes of P2441 are: Carbon buildup, Seized valve, Corrosion, Vacuum actuator failure, Linkage binding. The specific cause varies by vehicle.
How much does it cost to fix P2441?
Repair costs for P2441 range from $300 to $3,000, depending on the vehicle and root cause.
Which vehicles are affected by P2441?
Au7o has documented P2441 across 7 vehicle models from 3 manufacturers: Lexus, Subaru, Toyota.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.