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B2000 on the 2021 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.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name B2000
15/23 27972026-07-07. Service bulletin. High-Voltage Battery Cannot be Charged / Fault Memory Entry “B200000” in the High-Voltage Charger Control Unit (15/23)
No. 15-232026-02-06. Service bulletin. Technical information for High-Voltage Battery cannot be Charged / Fault Memory Entry “B200000” in the High-Voltage Charger Control Unit
No. 268-222023-07-06. Service bulletin. Technical information for an activated warning message "power steering reduced" in conjunction with fault memory entry B200049.
No. 15-232023-06-06. Service bulletin. Technical information for a complaint involving the high-voltage battery that cannot be charged/fault memory entry B200000 in the high voltage charger control unit
No. 2203.32022-10-05. Service bulletin. Instructions on advanced technical information for the e-hybrid OBC fault - B200000 DTC E11C11
No. 2203.22022-07-07. Service bulletin. Instructions on advanced technical information for E-Hybrid OBC Fault B200000 DTC E11C11.
No. 22032022-03-04. Service bulletin. Instructions on advanced technical information for the E-Hybrid OBC Fault - B200000 DTC E11C11 “Function restriction”

7 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.