P26B1 · Manufacturer communications

BENTLEY · 2026-09-10

Engine Management Light - N91 Coolant Valve | Flying Spur Hybrid Technical background: Some 22MY Flying Spur Hybrid vehicles may exhibit an illuminated Malfunction Indicator Lamp (MIL) due to DTC P26B100 - Engine Coolant Bypass Valve "A" Stuck Closed being stored in the Thermal Management Control Module (00C5). When this DTC is present, the Thermal Management system displays MIL light on the DIP, resulting in DTC P162400 being stored in the Engine Control Module. A software update is available to address this condition.

PORSCHE · 2025-07-22

Technical information for Check Engine Warning Light Active / Fault Memory Entry "P26B100/00CB24" in the Thermal Management Control Unit (TME): Re-Programming Control Unit

PORSCHE · 2024-06-13

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

PORSCHE · 2023-11-15

Instructions on advanced technical information for the Cayenne E-Hybrid - thermal management fault (P26B100)

PORSCHE · 2023-04-27

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

PORSCHE · 2023-03-16

Advanced technical information for the Cayenne E-Hybrid - thermal management fault P26B100 Causes Check Engine Light

PORSCHE · 2023-02-28

Technical information - Check Engine Warning Light Active / Fault Memory Entry "P26B100/00CB24" in the Thermal Management Control Unit (TME):

PORSCHE · 2022-09-23

Technical information for check engine warning light active/fault memory entry (P26B100/00CB24) in the TME

PORSCHE · 2022-08-05

Technical information for the check engine warning light / fault memory entry P26B100/00CB24

PORSCHE · 2022-08-03

Instructions on advanced technical information for the Cayenne E-Hybrid thermal management fault. Fault P26B100