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TOYOTA

T-SB-0079-16

Manufacturer communications

Publication date
2016-07-14
Received by NHTSA
2016-12-19
NHTSA record numbers
10086600 · 10087867

Multiple filings of the same bulletin are grouped here; original record numbers remain available.

Manufacturer summary

Original wording in English

TSB: SOME 2014 – 2016 MODEL YEAR TUNDRA (1UR-FE) VEHICLES MAY EXHIBIT A MIL “ON” CONDITION WITH DIAGNOSTIC TROUBLE CODE (DTC) P2440 (SECONDARY AIR INJECTION SYSTEM SWITCHING VALVE STUCK OPEN, BANK 1), OR P2442 (SECONDARY AIR INJECTION SYSTEM SWITCHING VALVE STUCK OPEN, BANK 2), AND UNDER SOME CONDITIONS MAY ENTER LIMP MODE (LIMITED THROTTLE INPUT ~ 25MPH). THIS CONDITION CAN BE TRIGGERED BY SUB-FREEZING AMBIENT TEMPERATURES. FOLLOW THE REPAIR PROCEDURE BELOW TO ADDRESS THIS CONDITION.

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.

ToyotaP2440
SECONDARY AIR INJECTION SYSTEM SWITCHING VALVE STUCK OPEN, BANK 1

NHTSA 10086600

ToyotaP2442
SECONDARY AIR INJECTION SYSTEM SWITCHING VALVE STUCK OPEN, BANK 2

NHTSA 10086600

Check vehicle applicability

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

MakeModelModel year
ToyotaTUNDRA2016
ToyotaTUNDRA2015
ToyotaTUNDRA2014

Data coverage →