Audi A6 2010–2012 — technical service bulletin
Bulletin A011400 2026299- · NHTSA communication 10124715 · issued Oct 17, 2014
Technical service bulletin
communication type
Engine
component
2010–2012
model years
8
vehicle entries
Official summary
Supersedes Technical Service Bulletin Group 24 number 12-40 dated August 28, 2012. MIL on. DTCs for air-fuel ratio imbalance are stored in the engine control module (ECM). An incorrect software setting causes the DTC to be stored.
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.