Volkswagen Beetle 2014 — technical service bulletin
Bulletin TT911307 · NHTSA communication 10237734 · issued Jul 19, 2013
Technical service bulletin
communication type
Equipment
component
2014
model years
6
vehicle entries
Official summary
When diagnosing a customer concern of poor sound quality, when using the vehicle?s Bluetooth system during phone calls, on vehicles equipped with the Universal Media Interface (UMI), start by checking for microphone related fault codes in AW 77.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.