# Service bulletin TT 01 18 15

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: 10161451
- Published by NHTSA: 2019\-06\-24
- Manufacturer's number: TT 01 18 15
- Manufacturer's date: 2018\-11\-09
- NHTSA component: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

## NHTSA's summary

Grill Shutter diagnostic steps

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10161451-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10161451-9999.pdf)

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

## Components

Engine, Cooling system, Radiator

## Vehicles listed

- 2018 VOLKSWAGEN ATLAS
- 2019 VOLKSWAGEN JETTA
- 2018 VOLKSWAGEN PASSAT

## Other bulletins for the same vehicles and component

- [V191701202254810](/bulletins/10236610.md), 2023-06-06, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. Introduce new engine coolant compatible with all models and all model years.
- [TT 01 21 02](/bulletins/10194520.md), 2021-06-03, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. Radiator Shutter \-V544\- diagnostic assistance
- [V8720022061094\_2](/bulletins/10183576.md), 2020-12-04, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Using Nitrogen to assist in finding A/C refrigerant leaks.
- [TT 80 18 01](/bulletins/10161207.md), 2019-06-12, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM. Diagnosis and repair for rear heater .
- [TT 01 18 15](/bulletins/10161176.md), 2019-06-11, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Grill Shutter diagnostic steps
- [VIN\-4\-A\-PIN\_2018](/bulletins/10149925.md), 2018-12-03, Service bulletin: ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:COOLING SYSTEM. Coolant leak at the coolant pump

JSON: [/v1/bulletins/10161451](/v1/bulletins/10161451)

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