# Service bulletin Update Bulletin

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: 10121999
- Published by NHTSA: 2017\-11\-03
- Manufacturer's number: Update Bulletin
- Manufacturer's date: 2014\-10\-01
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY

## NHTSA's summary

UPDATE Technical Bulletin \(TDI Battery Management Software\): This update has been proactively released to prevent the battery from becoming discharged due to a unique set of circumstances during the CAN bus diagnostic phase, leading to excessive parasitic draw and a discharged battery while the vehicle is parked.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10121999-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10121999-0001.pdf)

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

## Components

Electrical system, 12\-volt battery, Software

## Vehicles listed

- 2015 VOLKSWAGEN BEETLE
- 2015 VOLKSWAGEN BEETLE CONVERTIBLE
- 2015 VOLKSWAGEN GOLF
- 2015 VOLKSWAGEN JETTA
- 2015 VOLKSWAGEN PASSAT

## Other bulletins for the same vehicles and component

- [911413](/bulletins/10253201.md), 2024-04-15, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Car\-Net? Operating Control Unit \(OCU/J949\) Service Guidelines \& General Information
- [TT 91 24 01](/bulletins/10249136.md), 2024-02-06, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Addressing Cybersecurity or Vehicle Hack concerns
- [TB45D7a](/bulletins/10241773.md), 2023-09-05, Service bulletin: TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; ELECTRICAL SYSTEM:SOFTWARE. TPMS/ESC Software \(FED\_EMS\)
- [TB45D7](/bulletins/10241772.md), 2023-09-05, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. TPMS/ESC Software \(FED\_EMS\)
- [UPDATE45D7](/bulletins/10240668.md), 2023-08-14, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. TPMS/ESC Software Update
- [UPDATE23N7](/bulletins/10240667.md), 2023-08-14, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TDI Battery Management Software Update
- [UPDATE97AX](/bulletins/10240664.md), 2023-08-14, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. BCM Software
- [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
- [VOS\-23\-21](/bulletins/10238400.md), 2023-07-10, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. This communication is a notice for software changes with the ODIS program for specific cars.
- [V011812201460319](/bulletins/10238301.md), 2023-07-10, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Software Version Management \(SVM\) instruction.

JSON: [/v1/bulletins/10121999](/v1/bulletins/10121999)

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