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RecallGazette

Vehicle problems, recalls & safety intelligence

Porsche Cayenne 2018–2025technical service bulletin

Bulletin No. 37-25 · NHTSA communication 11020506 · issued Jun 25, 2025

Technical service bulletin
communication type
Electrical System
component
2018–2025
model years
51
vehicle entries

Official summary

Symptom based workshop manual for a red warning message "Vehicle Electrical System Malfunctioning" in the Instrument Cluster in Conjunction with the Fault Memory Entry "B114811" in the Rear-End Electronics Control Unit

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.