2021 Porsche 911 Technical Service Bulletins

676 technical service bulletins (TSBs) are on record for the 2021 Porsche 911. 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.

• 11037856Sep 29, 2026Suspension, Steering, Wheels. Technical Information for Yellow Warning Message "Rear Axle Steering Has Failed" in Instrument Cluster: Replace Servo Motors for Rear Axle Steering
• 11037849Sep 24, 2026Visibility (wipers, defrost, mirrors), Body and structure. Symptom-based workshop manual for Noises from Front Wiper Blade
• 11037848Sep 24, 2026Visibility (wipers, defrost, mirrors), Body and structure. Technical Information for Wind Noises when Driving from the Sunroof Area
• 11037847Sep 24, 2026Transmission and drivetrain, Engine. Technical Information for Particles/Metal Chips/Residues in Engine Oil
• 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)
• 11037801Sep 8, 2026Engine, Transmission and drivetrain. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils
• 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
• 11037044Aug 18, 2026Visibility (wipers, defrost, mirrors). Technical Information for Replacement Requirement for Left Door Window Pane - Change of Supplier: Using the Door Window Panes of the 911 (992PA).
• 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
• 11037045Aug 14, 2026Lane departure, Forward collision avoidance, Back-over prevention (rear camera). Technical Information for Various White Messages Regarding Driver Assistance Systems/Fault Memory Entry "C12D5FA" in the ZFAS Control Unit
• 11037041Aug 10, 2026Suspension, Steering. Technical Information for Yellow Warning Message "Rear Axle Steering Has Failed" in Instrument Cluster: Replace Servo Motors for Rear Axle Steering
• 11035776Aug 5, 2026Other or unknown. Porsche Tester Software Update Information Software Version: 44.300.000
• 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
• 11035883Jul 27, 2026Other or unknown. VAS 621001A Matrix Headlamp Aimer – Automatic Shipment / Maha Installation
• 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)
• 11035922Jul 23, 2026Transmission and drivetrain. Warranty Information: Warranty Extension for Transmission Electronics Control Unit (18/26)
• 11035916Jul 22, 2026Engine. Allocation of Approved Engine Oils MY 2027 (13/26)
• 11035892Jul 21, 2026Brakes. Parts Withdrawal - 1 Set of Brake Pads for Disk Brake
• 11035754Jul 21, 2026Other or unknown. PiUS Update Information Software Version: 3.2
• 11035753Jul 21, 2026Other or unknown. PiUS Update Information Software Version: 3.2
• 11035889Jul 14, 2026Electrical system. Parts Withdrawal - Steering Column Switch
• 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
• 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
• 11034789Jun 30, 2026Electrical system, Back-over prevention (rear camera). Complaint Regarding the Camera View (Real Top View) in the PCM Central Display (03/26)
• 11034784Jun 30, 2026Wheels. Wheel Bolt Replacement Requirement - Change from Wheel Bolts with Aluminum Washers to Wheel Bolts with Steel Washers (40/26)
• 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)
• 11034776Jun 25, 2026Engine. Overview of Approved Porsche C30 Engine Oils (19/26)
• 11034775Jun 25, 2026Engine. Overview of Approved Porsche C40 Engine Oils (21/26)
• 11034774Jun 25, 2026Engine. Overview of Approved Porsche A40 Engine Oils (15/26)
• 11034773Jun 25, 2026Engine. Overview of Approved Porsche C30 Engine Oils (16/26)
• 11034772Jun 25, 2026Engine. Overview of Approved Porsche C30 Engine Oils (16/26)

← All problems reported for the 2021 Porsche 911