US President Donald Trump has said in a social media post that goods from the European Union would face higher tariff rates if the 27-member bloc fails to approve last year's trade framework by July 4.

The announcement on Thursday appeared to be a deadline extension after the president said last Friday that EU autos would face a higher 25 per cent tariff starting this week. Trump made the updated announcement after what he described as a "great call" with European Commission President Ursula von der Leyen.