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Service bulletin TT 27 20 02_3

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10236096
Published by NHTSA2023-06-06
Manufacturer's numberTT 27 20 02_3
Manufacturer's date2023-05-04
NHTSA componentEQUIPMENT:OTHER:LABELS; ELECTRICAL SYSTEM:12V/24V/48V BATTERY

NHTSA's summary

Battery adaptation procedure when battery label is missing.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

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

Vehicles listed
VOLKSWAGEN ARTEON2019, 2020, 2021, 2022, 2023
VOLKSWAGEN ARTEON2024
VOLKSWAGEN ATLAS2018, 2019, 2020, 2021, 2022, 2023, 2024
VOLKSWAGEN ATLAS CROSS SPORT2020, 2021, 2022, 2023, 2024
VOLKSWAGEN BEETLE2015, 2016, 2017, 2018, 2019
VOLKSWAGEN BEETLE CONVERTIBLE2015, 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
VOLKSWAGEN CC2015, 2016, 2017
VOLKSWAGEN E-GOLF2015, 2016, 2017, 2018, 2019
VOLKSWAGEN EOS2015, 2016
VOLKSWAGEN GOLF2015, 2016, 2017, 2018, 2019, 2020, 2021
VOLKSWAGEN GOLF ALLTRACK2017, 2018, 2019
VOLKSWAGEN GOLF R2015 (the catalog's model; the bulletin names a series or trim of it)
VOLKSWAGEN GOLF R2016, 2017, 2018, 2019, 2020
VOLKSWAGEN GOLF R2021 (the catalog's model; the bulletin names a series or trim of it)
VOLKSWAGEN GOLF R2022, 2023, 2024
VOLKSWAGEN GOLF SPORTWAGEN2015, 2016, 2017, 2018, 2019
VOLKSWAGEN GTI2015
VOLKSWAGEN GTI2016 to 2024
VOLKSWAGEN ID.42021, 2022, 2023, 2024
VOLKSWAGEN JETTA2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
VOLKSWAGEN JETTA HYBRID2015, 2016, 2017 (the catalog's model; the bulletin names a series or trim of it)
VOLKSWAGEN PASSAT2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
VOLKSWAGEN PASSAT2023 to 2024
VOLKSWAGEN TAOS2022, 2023, 2024
VOLKSWAGEN TIGUAN2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
VOLKSWAGEN TIGUAN LIMITED2018
VOLKSWAGEN TOUAREG2015, 2016, 2017
VOLKSWAGEN TOUAREG HYBRID2015, 2016 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
25V1250002025-02-28. ELECTRICAL SYSTEM:PROPULSION SYSTEM:DC/DC CONVERTER; ELECTRICAL SYSTEM:12V/24V/48V BATTERY
22V9560002022-12-29. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
Dealer 93P7_REV42024-04-04. Service bulletin. SERV_ACT HV Battery Module(s) - Updated parts and claiming sections for clarity.
Circ_93P7_REV42024-04-04. Service bulletin. SERV_ACT HV Battery Module(s) - Updated parts and claiming sections for clarity.
V9323082071535_22024-01-04. Service bulletin. Instruction to determine the remaining battery capacity of the high-voltage battery,
MaintenanceA2023-08-21. Service bulletin. Maintenance Schedule For USA
UPDATE23N72023-08-14. Service bulletin. TDI Battery Management Software Update
V2719012011894242023-08-04. Service bulletin. Battery Testing and Charging using Midtronics VAS6161 and or GRX3000 Vas Charger
TT 27 21 02-22023-04-06. Service bulletin. Battery Capacitive Discharge Steps.
V932301_20696012023-03-06. Service bulletin. High Voltage Battery Repair Hints, Tips and Suggested Practices
20419202022-06-13. Service bulletin. Update Programming, DTC(s) Stored in AW C6 High-Voltage Charger including B200000, P31EA00.
V2715032016076112022-04-06. Service bulletin. Discharged Battery, Diagnosis for excessive current draw.