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TOYOTA

T-SB-0143-14

Manufacturer communications

Publication date
2014-11-07
Received by NHTSA
2017-08-01
NHTSA record numbers
10109359

Manufacturer summary

Original wording in English

TSB: Some 2012 - 2013 model year Sequoia and Tundra vehicles equipped with 3UR engines may exhibit a MIL "ON" condition with the following Diagnostic Trouble Codes (DTCs): ? P2440: Secondary Air Injection System Switching Valve Stuck Open Bank 1 ? P2442: Secondary Air Injection System Switching Valve Stuck Open Bank 2 This condition may be caused by debris/ice in the air switching valve assembly. The Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) logic has been changed to reduce the possibility of this condition occurring.

NHTSA manufacturer communications ↗

Reported code forms

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

ToyotaP2442
Secondary Air Injection System Switching Valve Stuck Open Bank 2 This condition may be caused by debris/ice in the air switching valve assembly

NHTSA 10109359 · NHTSA 10109360

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
ToyotaSEQUOIA2013
ToyotaSEQUOIA2012
ToyotaTUNDRA2013
ToyotaTUNDRA2012

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