Porsche Cayenne 2011–2018 — technical service bulletin
Bulletin 122-F4U4P-04 · NHTSA communication 10134874 · issued Mar 13, 2018
Technical service bulletin
communication type
Electrical System
component
2011–2018
model years
12
vehicle entries
Official summary
Model Line: Cayenne (92A) Macan (95B) Concerns: AGM starter battery (referred to below simply as ?battery?) Situation: 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.