Saturday, August 8, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Porsche Cayenne 2019–2023technical service bulletin

Bulletin No. 2221.2 · NHTSA communication 10235503 · issued Apr 27, 2023

Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2023
model years
41
vehicle entries

Official summary

Instructions on advanced tehcnical information for the Cayenne E-Hybrid - thermal management fault (P26B100) causes a check engine light

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.