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April 8, 2022 Service bulletin

Engine and/or transmission control module software designed and certified for similar models/model years...

Volkswagen technical service bulletin Circular24EFREV1 for 2012-2017 Volkswagen Passat, 2012, 2014-2015 Volkswagen Tiguan and 2013 Volkswagen Golf and others.

Bulletin number
Circular24EFREV1
Component
Engine and engine cooling
Summary
Engine and/or transmission control module software designed and certified for similar models/model years was used in vehicles affected by this emissions service action. It is undetermined whether there could be an impact to OBD or CO2 emissions. As a precautionary measure, Volkswagen is proactively updating the software calibrations on affected vehicles. Criteria 05 added to claiming instructions - Criteria 05 added to claiming instructions

Owners of these vehicles have filed 514 complaints in the engine category.

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