2021 Porsche CayenneService bulletins
2021 Porsche Cayenne Technical Service Bulletins
817 technical service bulletins (TSBs) are on record for the 2021 Porsche Cayenne. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.
- 10240374Jul 7, 2023Equipment. Information for PIWIS tester update 42.000.040
- 10240352Jul 4, 2023Equipment. Information for PIWIS tester update 42.000.035
- 10238783Jun 26, 2023Electrical system. Instructions on advanced technical information for packaging and test log requirements for high voltage lithium-ion battery returns.
- 10238776Jun 22, 2023Equipment. Special tools information on an upgrade to the pushers for the VAS5237
- 10238748Jun 15, 2023Electrical system, Steering. Technical information for an activated warning message "power steering reduced" in conjunction with fault memory entry B200049.
- 10238744Jun 12, 2023Electrical system. Instructions on advanced technical information for the conbox draw discharges 12v battery.
- 10237482May 30, 2023Engine cooling. Instructions on advanced technical information for the display of coolant temperature showing too high in the Panamaera, Macan, and Cayenne.
- 10237485May 25, 2023Electrical system. Porsche intranet posting with information on workshop campaign WNN1 - supplying drivers manual for Porsche Mobile Charger
- 10237422May 19, 2023Electrical system. 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
- 10237419May 18, 2023Electrical system. Special tools and equipment for the map update service for the PCM4 and 5
- 10237417May 17, 2023Other or unknown. Installation and conversion instructions for the trailer hitch on the 2018-2023 Cayenne.
- 10237397May 9, 2023Engine cooling. Technical information for a message "engine control system fault" in conjunction
- 10235503Apr 27, 2023Engine cooling. Instructions on advanced tehcnical information for the Cayenne E-Hybrid - thermal management fault (P26B100) causes a check engine light
- 10235498Apr 27, 2023Visibility (wipers, defrost, mirrors), Exterior lighting, Electrical system. Instructions on advanced technical information for the Cayenne - auxiliary headlight incorrect operation
- 10235491Apr 24, 2023Equipment. Special tools and information on the sealing ring extractor
- 10235392Apr 11, 2023Electrical system. Instructions on advanced technical information for the Macan, Cayenne, and 911 - restarts unexpectedly - software fix temporarily unavailable.
- 10235391Apr 11, 2023Electrical system. Instructions on advanced technical information for the Macan, Cayenne, and 911 - Porsche innodrive software temporarily unavailable
- 10235389Apr 11, 2023Electrical system. Instructions on advanced technical information for Cayenne and 911 conbox current draw discharges 12v battery
- 10235382Apr 6, 2023Visibility (wipers, defrost, mirrors). Installation and conversion instructions for the front camera on the Cayenne
- 10235376Apr 5, 2023Fuel system. Symptom based workshop manual for a rattling noise form the fuel tank area - replacing fuel tank with new type of fuel tank
- 10235367Apr 1, 2023Engine cooling. Instructions on advanced technical information for the display of "coolant temperature too high" in Group V6 and V8 Engines
- 10233963Mar 30, 2023Electrical system. Technical information for the diagnosis and handling of 12v lithium ion battery
- 10233960Mar 27, 2023Engine cooling. Technical information for the e-power not available - message, misfires, or jerking, poor throttle response during catalytic converter heating phase.
- 10233926Mar 16, 2023Engine cooling. Advanced technical information for the Cayenne E-Hybrid - thermal management fault P26B100 Causes Check Engine Light
- 10233920Mar 16, 2023Equipment. Product knowledge for the Porsche evolution from 1948-2023.
- 10233916Mar 10, 2023Visibility (wipers, defrost, mirrors), Back-over prevention (rear camera). Symptom-based workshop manual for One or More Camera Views in the Central Display of the PCM are Black - Possible Water Intrusion
- 10233885Mar 9, 2023Brakes. Technical information on a complaint - brake noise
- 10232449Feb 28, 2023Engine cooling, Electrical system. Technical information - Check Engine Warning Light Active / Fault Memory Entry "P26B100/00CB24" in the Thermal Management Control Unit (TME):
- 10232447Feb 27, 2023Engine cooling. Advanced technical information: E3.I/G2 V8 â Oil/Air Separator Membrane Failure
- 10232446Feb 27, 2023Fuel system. Manufacturers certificate for approved engine C40 oils for MY23.
- 10232442Feb 27, 2023Equipment. Information for PIWIS tester update 41.750.045 & .046
- 10232425Feb 16, 2023Electrical system. Advanced technical information for the front turn signal inoperative - Cayenne as of MY19
- 10232575Feb 14, 2023Equipment. Porsche intranet posting with information on workshop campaign WNK6 - exchanging spreader device
- 10232416Feb 14, 2023Equipment. Special tools information for the pneumatic cartridge gun.
- 10232407Feb 14, 2023Brakes. Technical information on WNK6 - replacing spreader device
- 10232397Feb 13, 2023Electrical system, Brakes, Equipment. Technical information for a complaint - error message "engine control system fault" when brake pedal is pressed slightly. Vehicle still moves normally.
- 10232396Feb 13, 2023Engine cooling. Overview of approved engine C30 oils for all Porsche models that use C30 oil.
- 10231393Jan 24, 2023Brakes, Equipment. Information on symptom based workshop manual - creaking/squeaking noises when operating the brake pedal.
- 10231391Jan 23, 2023Engine cooling. Instructions on advanced technical information for a display of "coolant temperature too high" on the Panamera, Macan, and Cayenne.
- 10232395Jan 15, 2023Engine cooling. Overview of approved engine C20 oils for all Porsche models that use C20 oil.
- 10231339Jan 11, 2023Lane departure, Electrical system. Technical information for a Message "Lane Change Assist Not Available â Service Necessary" in the instrument cluster: re-programming control units for lane change assist and, if applicable, radar sensor for front corner radar
- 10231325Jan 6, 2023Electrical system. Technical information for a diagnosis and handling of the 12 volt battery (on-board battery)
- 10231309Jan 3, 2023Electrical system. Instructions on advanced technical information involving the mobile charger connect (PMCC) for software bugs and loss of power setting
- 10229646Dec 30, 2022Electrical system. Information on technical information for WML0 - retrofitting loudspeaker booster
- 10229637Dec 20, 2022Engine cooling. Instructions on advanced technical information - coolant temperature is too high on the Panamera, Macan, and Cayenne.
- 10229634Dec 19, 2022Engine cooling. Technical information for a check engine warning light is active in conjunction with fault memory entry âP25B400â in the DME control unit
- 10229632Dec 19, 2022Engine cooling. Technical information for a Warning Message "Coolant Temperature Too High": Checking Coolant Pump and Change-Over Valve
- 10229627Dec 15, 2022Electrical system, Equipment. Instructions on advanced technical information for the Cayenne and 911. An update to the conbox current draw discharges 12v battery.
- 10229625Dec 15, 2022Electrical system. Information on technical information for a complaint involving the Cayenne, Cayman, Boxster, Macan, and 911. The SD map update/OTA map update does not function
- 10229617Dec 8, 2022Electrical system. Instructions on advanced technical information for improper odometer and speedometer function
← All problems reported for the 2021 Porsche Cayenne
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.