# P26B1 on the 2020 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.

## Bulletins for this model year that name P26B1

- [11021641](https://open.wenmarpro.com/bulletins/11021641), 2025-08-06: Technical information for Check Engine Warning Light Active / Fault Memory Entry "P26B100/00CB24" in the Thermal Management Control Unit \(TME\): Re\-Programming Control Unit
- [11002848](https://open.wenmarpro.com/bulletins/11002848), 2024-07-02: Instructions on advanced technical information for the Cayenne E\-Hybrid \- thermal management fault \(P26B100\) causes a check engine light
- [10246407](https://open.wenmarpro.com/bulletins/10246407), 2023-12-08: Instructions on advanced technical information for the Cayenne E\-Hybrid \- thermal management fault \(P26B100\)
- [10235503](https://open.wenmarpro.com/bulletins/10235503), 2023-05-03: Instructions on advanced tehcnical information for the Cayenne E\-Hybrid \- thermal management fault \(P26B100\) causes a check engine light
- [10233926](https://open.wenmarpro.com/bulletins/10233926), 2023-04-06: Advanced technical information for the Cayenne E\-Hybrid \- thermal management fault P26B100 Causes Check Engine Light
- [10232449](https://open.wenmarpro.com/bulletins/10232449), 2023-03-04: Technical information \- Check Engine Warning Light Active / Fault Memory Entry "P26B100/00CB24" in the Thermal Management Control Unit \(TME\):
- [10222541](https://open.wenmarpro.com/bulletins/10222541), 2022-10-05: Technical information for check engine warning light active/fault memory entry \(P26B100/00CB24\) in the TME
- [10219342](https://open.wenmarpro.com/bulletins/10219342), 2022-09-07: Instructions on advanced technical information for the Cayenne E\-Hybrid thermal management fault. Fault P26B100