# Service bulletin TT 27 20 02\_1

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: 10185168
- Published by NHTSA: 2021\-01\-08
- Manufacturer's number: TT 27 20 02\_1
- Manufacturer's date: 2020\-12\-18
- NHTSA component: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:LABELS

## NHTSA's summary

Battery Id for testing

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10185168-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10185168-9999.pdf)

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

## Components

Electrical system, Equipment and accessories, Labels and manuals, 12\-volt battery

## Vehicles listed

- 2019 to 2020 VOLKSWAGEN ARTEON
- 2018 to 2020 VOLKSWAGEN ATLAS
- 2020 VOLKSWAGEN ATLAS CROSS SPORT
- 2015 to 2019 VOLKSWAGEN BEETLE
- 2015 to 2019 VOLKSWAGEN BEETLE CONVERTIBLE
- 2015 to 2017 VOLKSWAGEN CC
- 2015 to 2019 VOLKSWAGEN E\-GOLF
- 2015 to 2016 VOLKSWAGEN EOS
- 2015 to 2020 VOLKSWAGEN GOLF
- 2017 to 2019 VOLKSWAGEN GOLF ALLTRACK
- 2015 VOLKSWAGEN GOLF R
- 2016 to 2020 VOLKSWAGEN GOLF R
- 2015 to 2019 VOLKSWAGEN GOLF SPORTWAGEN
- 2015 VOLKSWAGEN GTI
- 2016 to 2020 VOLKSWAGEN GTI
- 2015 to 2020 VOLKSWAGEN JETTA
- 2015 to 2020 VOLKSWAGEN PASSAT
- 2015 to 2020 VOLKSWAGEN TIGUAN
- 2018 VOLKSWAGEN TIGUAN LIMITED
- 2015 to 2017 VOLKSWAGEN TOUAREG

## Other bulletins for the same vehicles and component

- [V9323082071535\_2](/bulletins/10248096.md), 2024-01-04, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Instruction to determine the remaining battery capacity of the high\-voltage battery,
- [MaintenanceA](/bulletins/10240817.md), 2023-08-21, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:CVT; ENGINE; VISIBILITY:WINDSHIELD; VISIBILITY:SUN/MOON ROOF ASSEMBLY; EXTERIOR LIGHTING:HEADLIGHTS; POWER TRAIN:AUTOMATIC TRANSMISSION; SERVICE BRAKES; TIRES; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; AIR BAGS. Maintenance Schedule For USA
- [UPDATE23N7](/bulletins/10240667.md), 2023-08-14, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TDI Battery Management Software Update
- [V271901201189424](/bulletins/10239655.md), 2023-08-04, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery Testing and Charging using Midtronics VAS6161 and or GRX3000 Vas Charger
- [TT 27 20 02\_3](/bulletins/10236096.md), 2023-06-06, Service bulletin: EQUIPMENT:OTHER:LABELS; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery adaptation procedure when battery label is missing.
- [2041920](/bulletins/10213870.md), 2022-06-13, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Update Programming, DTC\(s\) Stored in AW C6 High\-Voltage Charger including B200000, P31EA00.
- [V271503201607611](/bulletins/10208920.md), 2022-04-06, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Discharged Battery, Diagnosis for excessive current draw.
- [TT 27 19 03](/bulletins/10176398.md), 2020-07-07, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE. Diagnostic for no crank concern.
- [Circular26N6REV1](/bulletins/10175945.md), 2020-06-04, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Over time and mileage, the factory\-installed catalyst may not perform as required. If the effectiveness of the catalyst is reduced, this may result in increased tailpipe emissions and the vehicle could fail an emissions \(IM\) inspection. Updated claiming instructions to include connecting battery charger. Updated parts return core information in Section E.
- [Circular26M4REV1](/bulletins/10175944.md), 2020-06-04, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Over time and mileage, the factory\-installed catalyst may not perform as required. If the effectiveness of the catalyst is reduced, this may result in increased tailpipe emissions and the vehicle could fail an emissions \(IM\) inspection. Updated claiming instructions to include connecting battery charger.

JSON: [/v1/bulletins/10185168](/v1/bulletins/10185168)

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