P2441 on Toyota Vehicles
The air pump runs after a cold start, but the bank 1 valve won't open – no fresh air reaches that exhaust. P2441 →
15Complaints mentioning the code
#1Rank among 2 brands
1.6%Share of Toyota DTC complaints
In NHTSA owner complaints we analyzed for Toyota, P2441 was mentioned 15 times.
Notes by brand
On Toyota and Lexus V8s with electric air switching valves, a stuck-closed valve often shows up together with high AIR pressure readings during the cold-start cycle. The valves sit at the rear of the engine, so access and labor time are significant.
Most mentioned models
| Toyota Tundra | 8 | |
|---|---|---|
| Toyota Tacoma | 6 | |
| Toyota 4runner | 1 |
Model years mentioned
Components named in these complaints
- Engine (8)
- Fuel/propulsion System (6)
- Unknown Or Other (3)
- Electronic Stability Control (esc) (2)
- Electrical System (2)
Reports with a crash: 0 · fire: 0 · injuries: 2
Often appears together with
P2440
Powertrain
The valve that should seal the air pump off from the bank 1 exhaust stays open, letting hot…
Moderate
P2442
Powertrain
The bank 2 secondary air valve on a V engine doesn't seal, so exhaust pulses reach the air pump…
Moderate
P0418
Powertrain
The ECU sees a fault in the relay circuit that switches the secondary air pump on and off.
Low
Possible causes
- Bank 1 switching or combination valve seized shut by corrosion or rust
- Valve not receiving its opening command – broken wire, bad connector or failed vacuum solenoid
- Carbon-clogged air passages in the cylinder head or exhaust manifold beyond the valve
- Split or disconnected vacuum line to a vacuum-operated valve
Related codes
Source: NHTSA Complaints API (US government open data), analyzed by DTC mention.