# Service bulletin TT 21\-10\-01

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: 10156157
- Published by NHTSA: 2019\-04\-01
- Manufacturer's number: TT 21\-10\-01
- Manufacturer's date: 2012\-11\-16
- NHTSA component: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

## NHTSA's summary

Tech Tips \(N75 Solenoid Valve Diagnosis\): This document informs with a diagram which vacuum ports on the N75 valve should hold vacuum and which ones should not for diagnosis on the Vehicles with 2.0T Gasoline Engine \(Engine Codes BPY, CCTA, CBFA\) to the testing of the N75

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2012/MC-10156157-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2012/MC-10156157-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Equipment and accessories, Labels and manuals

## Vehicles listed

- 2012 to 2013 VOLKSWAGEN BEETLE
- 2009 to 2011 VOLKSWAGEN CC
- 2012 VOLKSWAGEN CC
- 2013 VOLKSWAGEN CC
- 2006 VOLKSWAGEN EOS
- 2007 to 2013 VOLKSWAGEN EOS
- 2010 to 2013 VOLKSWAGEN GOLF
- 2006 to 2009 VOLKSWAGEN GTI
- 2006 to 2010 VOLKSWAGEN JETTA
- 2012 to 2013 VOLKSWAGEN JETTA
- 2008 VOLKSWAGEN JETTA SPORTWAGEN
- 2009 VOLKSWAGEN JETTA SPORTWAGEN
- 2006 to 2010 VOLKSWAGEN PASSAT
- 2010 VOLKSWAGEN PASSAT WAGON
- 2006 to 2009 VOLKSWAGEN RABBIT
- 2008 VOLKSWAGEN TIGUAN
- 2009 to 2013 VOLKSWAGEN TIGUAN

## Recalls for the same vehicles and component

- [2020353](/recalls/tc/2020353.md), 2020-08-04: Label
- [2014068](/recalls/tc/2014068.md), 2014-03-05: Accessories
- [2011331](/recalls/tc/2011331.md), 2011-09-08: Accessories

## Other bulletins for the same vehicles and component

- [VWC1226](/bulletins/10253445.md), 2024-04-22, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Warranty Communication Beetle Convertible Launch
- [VWC0911](/bulletins/10253439.md), 2024-04-22, Service bulletin: ENGINE AND ENGINE COOLING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Volkswagen Carefree Maintenance Program ? Gasoline Engines \(Except Routan\) \- REVISED
- [911409](/bulletins/10253197.md), 2024-04-15, Service bulletin: EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI; UNKNOWN OR OTHER. Update Programming RCD\-510 Radio \(Premium 8\)
- [911408](/bulletins/10253196.md), 2024-04-15, Service bulletin: ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS:ACCESORY POWER OUTLET/JACK/PORT/USB/SAE/CIGARETTE LIGHTER; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE. Stationary Vehicle Displayed While in Motion \(Premium 8 Radio\)
- [911313](/bulletins/10253180.md), 2024-04-15, Service bulletin: UNKNOWN OR OTHER; EQUIPMENT:ELECTRICAL:ANTENNA. Antenna Diagnosis Overview
- [911312](/bulletins/10253179.md), 2024-04-15, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM\(GLOBAL POSITIONING SYSTEM\); UNKNOWN OR OTHER. RNS 315 Hardware Failure
- [911310](/bulletins/10253178.md), 2024-04-15, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. After switching ON the RNS 315 radio\-navigation system, the message "Please insert software CD" appears and the unit will not operate.
- [TT971402](/bulletins/10252942.md), 2024-04-08, Service bulletin: EQUIPMENT:ELECTRICAL. Damage to Data Link Connector \(DLC\) from Aftermarket Devices \(Cannot Communicate with Vehicle OBD System\)
- [TT911403](/bulletins/10252916.md), 2024-04-08, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Coding Information for Replacing ?AC? Suffix Radios with ?AF? Suffix Replacement Unit
- [TT911402](/bulletins/10252915.md), 2024-04-08, Service bulletin: EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT. MDI Functions with iPhone 5 Variants \(5, 5c, 5s and iPad fourth generation, iPod Nano seventh generation\)

JSON: [/v1/bulletins/10156157](/v1/bulletins/10156157)

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