Chrysler mum or dad firm Stellantis is recalling nearly 20,000 plug-in hybrid Pacific minivans due to hearth threat, the most recent incident highlighting the potential hazards concerned with the business’s transfer towards EVs.

An inner investigation discovered 12 incidents of fires in autos from the 2017 and 2018 mannequin years, the automaker stated Friday in an announcement. The entire minivans had been parked and turned off, and eight had been charging when the fires occurred. Stellantis stated it’s not conscious of any associated accidents or accidents.

“Stellantis is working to verify the reason for the fires,” the corporate stated within the assertion. “The treatment, when developed, shall be offered freed from cost, and affected clients shall be suggested when they might schedule service.”

The voluntary recall consists of 19,808 autos, largely within the U.S. and Canada, with batteries made by an affiliate of LG Chem Ltd.

LG Power Resolution Ltd., which was spun out of mum or dad LG Chem in an preliminary public providing final month, stated the automaker hasn’t established a trigger for the fires.

“There isn’t any confirmed root reason for fires within the Stellantis autos that’s topic to the recall, or proof straight linking to the battery,” the South Korean firm stated in an emailed assertion.

Normal Motors reached an settlement with LG group firms in October to get better prices related to an unrelated recall of batteries in its Chevrolet Bolt EV. The automaker needed to recall all 143,000 Bolt and Bolt EUV fashions due to a producing defect involving the battery that led to an elevated hearth threat.