Volkswagen Touareg 2013–2016 — technical service bulletin
Bulletin Circular - 23AK · NHTSA communication 10170275 · issued Jan 7, 2020
Technical service bulletin
communication type
Electrical System
component
2013–2016
model years
4
vehicle entries
Official summary
Volkswagen is releasing a software calibration update to the Approved Emissions Modification (AEM). This software calibration will include the following changes to the vehicles emissions control and on-board diagnostics (OBD) software: (1) It will correct an issue that is causing the 'check engine' light to falsely illuminate under certain driving conditions, which has resulted in replacement of the diesel oxidation catalyst (DOC) for certain customers; (2) It will reduce the likelihood of experiencing an engine shudder that could occur during certain warm-up driving conditions; and (3) It wil
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.