Volkswagen emissions scandal continues to have an impact on its business, as California's air-quality authority has ordered the company to recall all of its vehicles that contain the emissions-cheating software.

The California Air Resources Board (CARB), part of the California Environmental Protection Agency, sent a letter to the Germany automaker Wednesday, in which it gave the car maker 45 days to recall all cars and SUVs with 3-liter diesel engines in the state and change their emissions gear, according to USA Today.

Models covered under the recall include VW, Audi and Porsche vehicles made between 2009 and 2015.

The software that VW used on these vehicles turns on emission controls during government emission tests and then turns them off under normal operations, allowing the cars to emit less pollutants during tests than when they're on the road, AFP reported. CARB spokesman Dave Clegern said that the recall will involve between 15,000 and 16,000 3.0-liter diesel cars.

The CARB is working with the federal Environmental Protection Agency in a probe into the VW emissions scandal, which began when the automaker admitted in September that over 11 million vehicles around the world with smaller 2.0-liter diesel engines had the cheating software. The issue would worsen when VW later revealed that it had understated carbon dioxide emissions for up to 800,000 cars.

Porsche said in a statement that it will "continue its efforts to comply fully with the regulatory authorities" for its part in the scandal and that it "awaits detailed information from engine supplier, Audi AG, as to specific actions which will be necessary to correct and rectify" the engine, USA Today noted.

VW now faces potentially billions of dollars in fines because of the issue. The automaker has since tried to make up for it recently by offering $1,000 in gift cards and vouchers to owners of diesel cars involved in the scandal.

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