Porsche Cayenne 2011–2017 — technical service bulletin
Bulletin 122-S5L3F-07 · NHTSA communication 10120787 · issued Jun 13, 2017
Technical service bulletin
communication type
Electrical System
component
2011–2017
model years
7
vehicle entries
Official summary
Concerns: AGM starter battery (referred to below simply as ?battery?) Information: Customer complaints concerning battery-related topics Recurring customer complaints concerning topics relating to battery capacity and quality.
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.