# Service bulletin TCS\-11\-027

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10042935
- Published by NHTSA: 2012\-01\-26
- Manufacturer's number: TCS\-11\-027
- Manufacturer's date: 2011\-10\-18
- NHTSA component: UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE

## NHTSA's summary

TOYOTA: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON SOME VEHICLES, DUE TO MOISTURE/WATER IN AIR INJECTION PUMPS AND/OR AIR SWITCHING VALVES IN ENGINES, THE CHECK ENGINE LIGHT \(MALFUNCTION INDICATOR LIGHT\) WOULD ILLUMINATE. \*PE

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Engine

## Vehicles listed

- 2008 to 2010 TOYOTA SIENNA
- 2007 to 2010 TOYOTA TUNDRA

## Other bulletins for the same vehicles and component

- [T\-SB\-0103\-20 Rev1](/bulletins/11005119.md), 2024-07-23, Service bulletin: ENGINE. This Service Bulletin provides updated non\-electric water pump leak inspection and diagnostic tips for some 2008 – 2025 model year Toyota vehicles.
- [T\-SB\-0103\-20 Rev1](/bulletins/11005061.md), 2024-07-23, Service bulletin: ENGINE. This Service Bulletin provides updated non\-electric water pump leak inspection and diagnostic tips for some 2008 – 2025 model year Toyota vehicles.
- [T\-PANT\-2024\-004\-](/bulletins/10253223.md), 2024-04-15, Service bulletin: ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. This is to advise of various price adjustments that will affect Toyota Genuine Motor Oil and Long Life Coolant, effective March 1, 2024. These products are ordered through the Toyota Complete Maintenance Care \(TCMC\) website.
- [T\-TT\-0628\-20](/bulletins/10183281.md), 2020-11-30, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. TT: HVAC drain tube is found to be blocked/clogged.
- [T\-SB\-0103\-20](/bulletins/10183188.md), 2020-11-30, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP; EQUIPMENT. TSB: This Service Bulletin provides updated non\-electric water pump leak inspection and diagnostic tips for some 2008 ? 2021 model year Toyota vehicles.
- [SET\-TSB\-16\-003](/bulletins/10182949.md), 2020-11-23, Service bulletin: ENGINE AND ENGINE COOLING. On vehicles equipped with the SET accessory Split Rear Dual Exhaust system, the
- [T\-TT\-0468\-17 Rev](/bulletins/10178524.md), 2020-08-17, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. TT: HVAC drain tube is found to be blocked/clogged.
- [DOR\-M9J4S\-07](/bulletins/10177599.md), 2020-07-27, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no longer be sold as they do not meet CARB standards, but parts on vehicles are not effected.
- [DOR\-M3J3F\-07](/bulletins/10177598.md), 2020-07-27, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no longer be sold as they do not meet CARB standards, but parts on vehicles are not effected.
- [T\-SB\-0166\-19\_Rev](/bulletins/10171454.md), 2020-02-18, Service bulletin: ENGINE AND ENGINE COOLING. TSB: REVISION NOTICE January 23, 2020 Rev1: G1439 The Parts Information, Calibration Information, and Repair Procedure sections have been updated. SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T\-SB\-0058\-13.Service Bulletin No. T\-SB\-0058\-13 is obsolete and any printed versions should be discarded. Some 2009 ? 2018 model year Sequoia and 2009 ? 2019 model year Tundra vehicles equipped with a 3UR\-FBE engine may exhibit a hard start and/or MIL ON condition with one or more of the following Diagnostic Trouble Codes \(DTCs\): ? DTC P0171 and/or P0174 \(System Too Lean Bank 1/Bank 2\) ? DTC P0172 and/or P0175 \(System Too Rich Bank 1/Bank 2\) ? DTC P1604 \(Startability Malfunction\) Techstream data list analysis may reveal negative fuel trims and an elevated alcohol density estimate relative to the vehicle?s actual fuel alcohol content. Follow the Repair Procedure in this bulletin to address these conditions.

JSON: [/v1/bulletins/10042935](/v1/bulletins/10042935)

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