Hybrid & EV Battery / High Ambient Temperatures- Precautionary Work Procedures – 2019-2023 Subaru

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NHTSA ID Number: 10237247

Manufacturer Communication Number: 07-210-22R


This Service Information Bulletin announces the precautionary measures to be followed in order to limit high ambient temperature exposure to the hybrid battery.


NUMBER: 07-210-22R
DATE: 08/29/22
REVISED: 05/04/23

APPLICABILITY: 2019-22 Crosstrek Hybrid
2023 Solterra
SUBJECT: Hybrid & EV Battery / High Ambient Temperatures- Precautionary Work Procedures



This Service Information Bulletin announces the precautionary measures to be followed in order to limit high ambient temperature exposure to the hybrid battery. Lithium-ion battery performance may deteriorate when exposed to temperatures higher than 140°F (60°C). Follow the precautions outlined below to avoid such battery performance deterioration.



If the hybrid or EV battery is expected to have high ambient temperature exposure for more than one hour such as body paintwork, the battery will require proper removal and storage.

  • ONLY technicians who have received the Subaru training for high voltage systems should be allowed to perform service or maintenance of high voltage circuits.
  • For hybrid battery removal and installation refer to STIS: Body & Electrical/WIRING SYSTEM > HYBRID ELECTRIC VEHICLE > HIGH VOLTAGE BATTERY
  • The hybrid and EV battery MUST be stored in an environment with the following conditions:
    1. The ambient temperature is between 22°F and 140°F (-30°C to 60°C).
    2. The storage area is free from any flame exposure.
    3. There is no water or moisture in the storage area.
    4. The area MUST be free from children.

CAUTION: Failure to meet these requirements may cause personal injury and/or damage to the battery.


5 Affected Products




1 Associated Document

Manufacturer Communications

NUMBER: 07-210-22R
DATE: 08/29/22
REVISED: 05/04/23


MC-10237247-0001.pdf 263.385KB

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NHTSA ID Number: 10219498

Manufacturer Communication Number: 07-210-22


This Bulletin announces the precautionary measures to be followed in order to limit high ambient temperature exposure to the hybrid battery.


1 Associated Document

Manufacturer Communications

NUMBER: 07-210-22
DATE: 08/29/22


MC-10219498-0001.pdf 1863.381KB

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Last update on 2024-05-18 / Affiliate links / Images from Amazon Product Advertising API

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