Porsche Cayenne 2015–2016 — technical service bulletin
Bulletin 122-T5Z7V-08 · NHTSA communication 10120616 · issued Jul 27, 2017
Technical service bulletin
communication type
Electrical System
component
2015–2016
model years
2
vehicle entries
Official summary
Technical Concern: The technician confirms the MIL and notes P0C4700 is present in the high voltage battery.
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.