Audi A4 Allroad 2013–2014 — technical service bulletin
Bulletin A011478 2037307- · NHTSA communication 10122453 · issued May 28, 2014
Technical service bulletin
communication type
Electrical System
component
2013–2014
model years
7
vehicle entries
Official summary
The MIL is on. DTC P013E00 (O2 Sensor Bank 1 Sensor 2 Delayed Response - Rich to Lean) is stored in the engine control module (ECM), J623 (address word 01). ECM software needs to be updated.
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.