Air bag-related recalls just keep coming, and Audi's A4 sedan has been added to the list.

The automaker is recalling 101,900 A4s in the U.S. as part of a larger global recall of 850,000 A4 sedans.

The global recall affects A4s built from November 2011 until earlier this month, while the American recall affects the 2013 through 2015 model years. The issue is a software glitch that could keep front air bags from deploying in a crash.

The problem is not related to the larger industry-wide recalls involving air bag supplier Takata, and Audi says it doesn't use Takata as a supplier.

An Audi spokesman told Automotive News that the problem was discovered during routine quality assurance testing. A glitch in the software code could lead to air bags failing to deploy in an accident. The company says it's going to notify customers immediately and that the necessary software updates will take about 20 minutes per repair.

Audi says it has had no reports of any accidents being caused by the issue, nor is it aware of any deaths or injuries in connection with the recall.

Around half of the recalled units were sold in Germany or China, which are two of Volkswagen Auto Group's largest markets. Volkswagen Auto Group owns Audi.

The recall affects 250,000 units in China and 150,000 in Germany.

Thanks to the Takata recalls, air bag performance is a very present concern for consumers these days, so it's not surprising that Audi would move quickly to address this issue. Between the Takata recalls and the General Motors ignition-switch recall, it's been a rough year for automakers.

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