# Service bulletin TT 27 21 02\-2

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: 10232742
- Published by NHTSA: 2023\-04\-06
- Manufacturer's number: TT 27 21 02\-2
- Manufacturer's date: 2023\-03\-09
- NHTSA component: ELECTRICAL SYSTEM:12V/24V/48V BATTERY

## NHTSA's summary

Battery Capacitive Discharge Steps.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10232742-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10232742-9999.pdf)

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

## Components

Electrical system, 12\-volt battery

## Vehicles listed

- 2021 to 2024 VOLKSWAGEN ID.4

## Recalls for the same vehicles and component

- [25V125000](/recalls/nhtsa/25V125000.md), 2025-02-28: ELECTRICAL SYSTEM:PROPULSION SYSTEM:DC/DC CONVERTER; ELECTRICAL SYSTEM:12V/24V/48V BATTERY
- [22V956000](/recalls/nhtsa/22V956000.md), 2022-12-29: ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES

## Other bulletins for the same vehicles and component

- [Dealer 93P7\_REV4](/bulletins/10251630.md), 2024-04-04, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SERV\_ACT HV Battery Module\(s\) \- Updated parts and claiming sections for clarity.
- [Circ\_93P7\_REV4](/bulletins/10251627.md), 2024-04-04, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; UNKNOWN OR OTHER. SERV\_ACT HV Battery Module\(s\) \- Updated parts and claiming sections for clarity.
- [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,
- [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.
- [V932301\_2069601](/bulletins/10232177.md), 2023-03-06, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. High Voltage Battery Repair Hints, Tips and Suggested Practices

JSON: [/v1/bulletins/10232742](/v1/bulletins/10232742)

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