# Service bulletin TJ3648310

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: 10232128
- Published by NHTSA: 2023\-02\-27
- Manufacturer's number: TJ3648310
- Manufacturer's date: 2023\-01\-11
- NHTSA component: ELECTRICAL SYSTEM:12V/24V/48V BATTERY

## NHTSA's summary

Backup Battery DTC TCAM\-U210993

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10232128-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10232128-9999.pdf)

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

## Components

Electrical system, 12\-volt battery

## Trouble codes named

U2109

## Vehicles listed

- 2021 POLESTAR POLESTAR 1
- 2022 to 2023 POLESTAR POLESTAR 1
- 2021 to 2023 POLESTAR POLESTAR 2

## Recalls for the same vehicles and component

- [23V361000](/recalls/nhtsa/23V361000.md), 2023-05-22: ELECTRICAL SYSTEM:12V/24V/48V BATTERY
- [22V926000](/recalls/nhtsa/22V926000.md), 2022-12-14: ELECTRICAL SYSTEM:12V/24V/48V BATTERY

## Other bulletins for the same vehicles and component

- [TJ3560250](/bulletins/10232124.md), 2023-02-27, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Backup Battery DTC TCAM\-U210993
- [3554220](/bulletins/10232123.md), 2023-02-27, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Checklist if 12 Volt battery is drained \- Perform SW Upgrade
- [TJ36418](/bulletins/10230755.md), 2023-01-30, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. BEV High Voltage Battery Replacement
- [TJ36404](/bulletins/10230754.md), 2023-01-30, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. DTC SRS\-B15381B High Voltage battery loop control
- [TJ35721.3.0\-2020](/bulletins/10184246.md), 2020-12-14, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This is a Technical Journal: Diagnose of HV system after HVCH malfunction

JSON: [/v1/bulletins/10232128](/v1/bulletins/10232128)

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