Porsche Cayenne 2011–2017 — technical service bulletin
Bulletin 122-N6B7V-12 · NHTSA communication 10125212 · issued Nov 2, 2017
Technical service bulletin
communication type
Steering
component
2011–2017
model years
11
vehicle entries
Official summary
Cause: Clicking noises can come from around the transfer case when manoeuvring the vehicle (or driving slowly) due to activation of the transfer case servo motor. Remedial Action: Before doing any other work, the symptom must be simulated using a test procedure. (Opening the door windows can be helpful when evaluating noises). 1 Conditions for the first test procedure: * Activate the Start/Stop function and * deactivate all sources of noise in the vehicle (Entertainment, ventilation, etc.). * A multi-story parking garage can be useful for acoustic reverberation. * On a straight stretch * from
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.