Saturday, August 8, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Audi A4 2009–2012technical service bulletin

Bulletin Customer Letter · NHTSA communication 10122440 · issued Jun 3, 2014

Technical service bulletin
communication type
Electrical System
component
2009–2012
model years
22
vehicle entries

Official summary

Audi has determined that, under specific conditions, the turbocharger could malfunction and may cause the Malfunction Indicator Lamp (MIL) on the instrument cluster to illuminate due to the presence of specific fault codes caused by this component. The MIL is part of your on-board diagnostic system. Please refer to your owner's manual for additional information about the MIL. In some locales, an illuminated Malfunction Indicator Lamp could cause your vehicle to fail an IM emissions inspection, and your vehicle registration application could be denied. Please be aware that other conditions (unr

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.