emanuals.ai

P2441 Secondary air injection system switching valve stuck closed, bank 1

Ask emanuals.ai about P2441

Secondary air injection system switching valve stuck closed, bank 1, readable through chat.

Join the waitlistEarly access, email only.
System
Emissions control
Component
Secondary air switching valve

Symptoms

  • Check engine light on
  • Often stored with P2445 and P2443
  • Code returns after clearing

Common causes

  • Valve stuck closed from debris or carbon
  • No air from the pump
  • Pump heater circuit fault
  • Blocked or damaged air tube
  • Relay or driver circuit fault
  • Faulty engine control module

Guides for this code

Pencil sketch of a Toyota 4Runner in a garage
Diagnostics & Repair

P2445 and P2441 on a 2013-2015 Toyota 4Runner: Causes and Fixes

JC Landry · Oct 27, 2026

Ask emanuals.ai about your car

Answers come from the actual factory manual for your make, model and year, with the page cited. Join the waitlist and we will email you when a spot opens up.

Invite-only beta. No spam, one email when your spot opens.

Ask emanuals.ai about your car

Answers come from the factory manual for your make, model and year, with the page cited. Join the waitlist and we will email you when a spot opens up.