Volkswagen chief executive Matthias Müller told business managers that VW will deliver technical particulars on fixing cars fitted with emissions-rigging software program. Photograph: Julian Stratenschulte/AFP/Getty Pictures

Volkswagen chief executive Matthias Müller has said the firm will provide technical particulars on fixing vehicles fitted with emissions-rigging computer software to German regulators by the end of the month.

According to a copy of a speech he gave to firm managers at Volkswagen headquarters on Monday, Müller stated the Federal Motor Transport Authority has signed off on a software update to fix impacted 2-litre diesel motors. The regulator has also given the “basic go” to a fix for the 1.6-litre automobiles that will also involve replacing an air filter cartridge and grill. Information are being finalized on a software program fix for 1.two-litre motors.

Müller said most of the affected automobiles would not require significant work. He stated: “For about 90% of the group’s autos in Europe the solutions are confirmed. The price for the retrofitting is technically, physically and financially manageable.”

Connected: The Volkswagen emissions scandal explained

European sales for the Volkswagen Group dropped .8% last month, although its European industry share slipped to 25.2% in October, down from 26.1% in the same month last year.

VW’s mass market brands suffered sales falls final month, as Seat fell 11.2%, Skoda declined two.9% and the important VW brand slipped .four%.

Nonetheless, VW’s premium brands – Audi and Porsche – appear to have been untouched by the scandal, with sales increasing three.five% and 13.three% respectively.

Because vehicle deliveries usually happen several weeks after buy decisions, the full repercussions of the scandal, which began with VW’s admission on 18 September that diesel engine emission tests had been rigged, are expected to grow to be much more apparent in information for November.

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