P1614 Secondary Air Injection Bank 2 Malfunction

Category: Powertrain - Auxiliary Emissions Controls
Severity: Check Engine Light
Applies to: Tundra, Sequoia, Land Cruiser V8

What does P1614 mean on a Toyota?

P1614 — Secondary Air Injection Bank 2 Malfunction. This Toyota-enhanced code applies to Tundra, Sequoia, Land Cruiser V8.

Common causes of P1614

Blocked bank 2 air passages
Failed bank 2 switching valve
Weak pump output reaching bank 2
Carbon buildup
Hose fault on the bank 2 side

How to fix P1614

Compare bank 1 and bank 2 air flow
Test the bank 2 switching valve
Decarbonize bank 2 passages
Inspect bank 2 hoses
Replace the valve per bank data