Porsche Cayenne 2013–2014 — technical service bulletin
Bulletin 122-E4H8D-02 · NHTSA communication 10170984 · issued Jan 28, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2013–2014
model years
4
vehicle entries
Official summary
Technical information for Workshop campaign WKH9, which seeks to check the EGR cooler on affected vehicles and replace it if necessary.
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.