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.

• 11037849Sep 24, 2026Visibility (wipers, defrost, mirrors), Body and structure. Symptom-based workshop manual for Noises from Front Wiper Blade
• 11037838Sep 23, 2026Fuel system, Transmission and drivetrain, Electrical system. Technical Information for Need to Replace Components of the High-Voltage Battery - High-Voltage Battery Control Unit / Cell module; No Mixed Installation Permitted: Observe Specified Approach
• 11037825Sep 22, 2026Transmission and drivetrain, Engine. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils
• 11037822Sep 22, 2026Engine, Transmission and drivetrain. Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils
• 11037818Sep 22, 2026Engine, Transmission and drivetrain. Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils
• 11037868Sep 14, 2026Steering, Wheels, Suspension. Special Tools and Equipment Information for alignment machines - Q3 2026 Software Spec Update Available
• 11037805Sep 9, 2026Exterior lighting, Electrical system. Technical Information for Vehicle Color in Front Display/Control Panel Wrong after Replacing Central Computer (PCM)
• 11037804Sep 9, 2026Fuel system, Body and structure, Electrical system. Technical Information for Filler Flap on Vehicles with Hybrid Drive System (PHEV) Does Not Close
• 11037801Sep 8, 2026Engine, Transmission and drivetrain. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils
• 11037800Sep 8, 2026Electrical system, Transmission and drivetrain. Technical Information for Yellow Warning Message “All-Wheel Drive System Malfunction”, “C12BEF6” and “C133700” in the All-Wheel Electronics Control Unit
• 11037860Sep 1, 2026Electrical system. Porsche intranet posting with Campaign WTK4 information
• 11037858Sep 1, 2026Electrical system. Technical Information for Campaign WTK4 – Reset Vehicle Electrical System Battery
• 11037795Sep 1, 2026Electrical system. Technical Information for Damage to Nano Plug Contacts Due to Utilization of Incorrect Measuring Equipment
• 11037785Sep 1, 2026Electrical system, Visibility (wipers, defrost, mirrors). Technical Information for Warranty Extension for Front Door Wiring Harness related to Real Top View (RTV) issues
• 11037085Aug 28, 2026Other or unknown. Special Tools and Equipment Information for Diagnostic Equipment Standards for all USA Porsche Centers
• 11037058Aug 28, 2026Electrical system. Information on Advanced Technical Information for Critical 12V Li-ion Battery Recycling
• 11037046Aug 25, 2026Back-over prevention (rear camera), Forward collision avoidance, Lane departure. Technical Information for White Messages Regarding Driver Assistance Systems in Conjunction with Passive Fault Memory Entries in the ZFAS Control Unit
• 11037057Aug 24, 2026Transmission and drivetrain, Engine. Information on Advanced Technical Information for E3.I/G2 V8 – Oil/Air Separator Membrane Failure
• 11037061Aug 20, 2026Fuel system, Electrical system. Information on Advanced Technical Information for Porsche Mobile Charger NEMA Supply Cable Initialization Failure
• 11037060Aug 20, 2026Fuel system, Electrical system. Information on Advanced Technical Information for Porsche Mobile Charger Plus (PMC+) Red LEDs and Fault B191E49
• 11037083Aug 17, 2026Suspension, Steering, Wheels. Special Tools and Equipment Information for alignment machines - Q2 2026 Software Spec Update Available
• 11037072Aug 14, 2026Other or unknown. Product Knowledge for Model Type Designations
• 11037071Aug 14, 2026Other or unknown. Product Knowledge for Chassis/VIN Numbering Systems
• 11037070Aug 10, 2026Engine, Transmission and drivetrain. Parts Information for Parts Withdrawal - Coolant Regulator Housing
• 11035776Aug 5, 2026Other or unknown. Porsche Tester Software Update Information Software Version: 44.300.000
• 11037048Aug 3, 2026Electrical system, Visibility (wipers, defrost, mirrors). Symptom-based workshop manual for Reversing Camera Spray Nozzle Not Working - Dirty/Clogged/Air in the System
• 11035884Jul 30, 2026Other or unknown. VAS 621001A Matrix Headlamp Aimer – Automatic Shipment / Maha Installation
• 11035742Jul 29, 2026Electrical system. ConBox Current Draw Discharges 12 V Battery
• 11035741Jul 29, 2026Vehicle speed control, Forward collision avoidance. ACC Dynamic Calibration Fault C110300
• 11035883Jul 27, 2026Other or unknown. VAS 621001A Matrix Headlamp Aimer – Automatic Shipment / Maha Installation
• 11035744Jul 27, 2026Back-over prevention (rear camera), Electrical system. Re-Programming Assistance System Control Unit (Stop Delivery/Recall Campaign)
• 11035924Jul 25, 2026Air bags. Belt Lock Warning on Driver Side Permanently Active / No Fault Memory Entries: Delete Airbag Control Unit Fault Memory (SY 74/25)
• 11035916Jul 22, 2026Engine. Allocation of Approved Engine Oils MY 2027 (13/26)
• 11035754Jul 21, 2026Other or unknown. PiUS Update Information Software Version: 3.2
• 11035753Jul 21, 2026Other or unknown. PiUS Update Information Software Version: 3.2
• 11035910Jul 20, 2026Body and structure. Spare Parts Requirement for Door Window Pane - Supply Shortage: Procedure Until Parts are Available (56/26)
• 11035752Jul 13, 2026Other or unknown. Porsche Tester Software Update Information Software Version: 44.200.051
• 11035750Jul 8, 2026Other or unknown. Porsche Tester Software Update Information Software Version: 44.200.041
• 11035749Jul 8, 2026Other or unknown. Porsche Tester Software Update Information Software Version: 44.200.040
• 11035748Jul 8, 2026Other or unknown. Porsche Tester Software Update Information Software Version: 44.200.035
• 11035874Jul 7, 2026Body and structure. Porsche Approved Collision Center – Acquiring Special Tools and Equipment
• 11035873Jul 7, 2026Body and structure. Porsche Approved Collision Center – Acquiring Special Tools and Equipment
• 11035886Jul 6, 2026Engine, Electrical system. Parts Withdrawal - Various Parts
• 11034833Jun 30, 2026Other or unknown. Porsche Tester Software Update Information Software Version: 44.200.031
• 11034832Jun 30, 2026Other or unknown. Porsche Tester Software Update Information Software Version: 44.200.030
• 11034784Jun 30, 2026Wheels. Wheel Bolt Replacement Requirement - Change from Wheel Bolts with Aluminum Washers to Wheel Bolts with Steel Washers (40/26)
• 11034597Jun 30, 2026Back-over prevention (rear camera), Electrical system. Complaint Regarding the Camera View (Real Top View) in the PCM Central Display (03/26)
• 11034831Jun 25, 2026Other or unknown. Porsche Tester Software Update Information Software Version: 44.200.023
• 11034804Jun 25, 2026Body and structure. Porsche Approved Collision Center – Acquiring Special Tools and Equipment
• 11034777Jun 25, 2026Engine. Overview of Approved Porsche C20 Engine Oils (20/26)

← All problems reported for the 2021 Porsche Cayenne