Porsche Cayenne 2019 — technical service bulletin
Bulletin 168/18 Update 2 · NHTSA communication 11035919 · issued Jul 23, 2026
Technical service bulletin
communication type
Electrical System
component
2019
model years
5
vehicle entries
Official summary
Complaint - Battery Low and Yellow Warning Message "Battery low _ Service necessary" in Instrument Cluster: Re-Programming Gateway Control Unit (Battery Sensor) (168/18)
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.