GOTHENBURG, Sweden — The Volvo Group said Tuesday it had detected that an emissions control component used in certain markets with stringent emissions standards is degrading more quickly than expected, reducing its ability to convert nitrogen oxides (NOx) as efficiently as intended, which in turn could cause the engines or vehicles to exceed emissions limits for NOx. The investigation so far indicates that the degradation does not seem to affect all vehicles and engines in the same way and to the same extent, the company said in a news release.
The company is now in the process of informing the appropriate authorities in various markets, and beginning discussions regarding remediation plans.
The degradation of the component does not pose a product safety issue, nor does it negatively affect vehicle or engine performance in areas other than emissions control.
The degradation is a result of a materials issue that occurs over time. All engines and vehicles equipped with the component meet emissions limits at delivery.
The largest volume of potentially affected engines has been sold in North America and Europe. A full analysis of the issue and plans with regulatory authorities are not completed and the company is therefore not yet able to estimate the volume of engines or vehicles that may need to be addressed.
Consequently, it is not possible to assess the financial impact at this stage; however the cost to redeem the issue could be material.
The Volvo Group, which employs almost 100,000 people, has production facilities in 18 countries and sells its products in more than 190 markets.
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