P26B1 on the 2023 Porsche Cayenne
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| No. 2221.4 | 2024-07-02. Service bulletin. Instructions on advanced technical information for the Cayenne E-Hybrid - thermal management fault (P26B100) causes a check engine light |
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| No. 2221.3 | 2023-12-08. Service bulletin. Instructions on advanced technical information for the Cayenne E-Hybrid - thermal management fault (P26B100) |
| No. 2221.2 | 2023-05-03. Service bulletin. Instructions on advanced tehcnical information for the Cayenne E-Hybrid - thermal management fault (P26B100) causes a check engine light |
| No. 2221.1 | 2023-04-06. Service bulletin. Advanced technical information for the Cayenne E-Hybrid - thermal management fault P26B100 Causes Check Engine Light |
4 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.