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Service bulletins for the 2021 Porsche Panamera

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

676 on file from NHTSA, as of 2026-10-19.

Warranty extensions
No. 50-26-22026-09-04. POWER TRAIN; ENGINE. Update to Warranty Information: Warranty Extension for Additional Coolant Pump
18/262026-08-06. POWER TRAIN. Warranty Information: Warranty Extension for Transmission Electronics Control Unit (18/26)
50/262026-08-05. ENGINE. Warranty Information: Warranty Extension for Coolant Pump (50/26)

A warranty extension may pay for a repair after the basic warranty has ended. Read the document for which vehicles and which repair it covers.

By type

By component

By trouble code

Bulletins, newest first
SPTL26092026-10-02. Service bulletin. WHEELS; STEERING; SUSPENSION. Special Tools and Equipment Information for alignment machines - Q3 2026 Software Spec Update Available
No. 103-25-22026-10-02. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM; FUEL/PROPULSION 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
No. 31-262026-10-02. Service bulletin. POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils
No. 30-262026-10-02. Service bulletin. ENGINE; POWER TRAIN. Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils
No. 29-262026-10-02. Service bulletin. ENGINE; POWER TRAIN. Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils
No. 36-262026-10-02. Service bulletin. POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils
No. 12-262026-10-02. Service bulletin. ELECTRICAL SYSTEM. Technical Information for Damage to Nano Plug Contacts Due to Utilization of Incorrect Measuring Equipment
SPTL2314a2026-09-04. Service bulletin. UNKNOWN OR OTHER. Special Tools and Equipment Information for Diagnostic Equipment Standards for all USA Porsche Centers
SPTL26082026-09-04. Service bulletin. WHEELS; SUSPENSION; STEERING. Special Tools and Equipment Information for alignment machines - Q2 2026 Software Spec Update Available
GR16D8a2026-09-04. Service bulletin. UNKNOWN OR OTHER. Product Knowledge for Model Type Designations
GR16D82026-09-04. Service bulletin. UNKNOWN OR OTHER. Product Knowledge for Chassis/VIN Numbering Systems
GR13D8022026-09-04. Service bulletin. ENGINE; POWER TRAIN. Parts Information for Parts Withdrawal - Coolant Regulator Housing
No. 2433-42026-09-04. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. Information on Advanced Technical Information for Porsche Mobile Charger NEMA Supply Cable Initialization Failure
No. 2315-12026-09-04. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. Information on Advanced Technical Information for Porsche Mobile Charger Plus (PMC+) Red LEDs and Fault B191E49
No. 2304-22026-09-04. Service bulletin. ENGINE; POWER TRAIN. Information on Advanced Technical Information for E3.I/G2 V8 – Oil/Air Separator Membrane Failure
No. 58-262026-09-04. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY/WIPER. Symptom-based workshop manual for Reversing Camera Spray Nozzle Not Working - Dirty/Clogged/Air in the System
No. 50-26-22026-09-04. Warranty extension. POWER TRAIN; ENGINE. Update to Warranty Information: Warranty Extension for Additional Coolant Pump
51/262026-08-06. Service bulletin. POWER TRAIN. Shrill Humming/Clacking Noise from the Engine Compartment: Check Mounting/Fastening of the ATF Cooler and/or ATF Lines (SY 51/26)
74/252026-08-06. Service bulletin. AIR BAGS. Belt Lock Warning on Driver Side Permanently Active / No Fault Memory Entries: Delete Airbag Control Unit Fault Memory (SY 74/25)
18/262026-08-06. Warranty extension. POWER TRAIN. Warranty Information: Warranty Extension for Transmission Electronics Control Unit (18/26)
13/262026-08-06. Service bulletin. ENGINE. Allocation of Approved Engine Oils MY 2027 (13/26)
50/262026-08-05. Warranty extension. ENGINE. Warranty Information: Warranty Extension for Coolant Pump (50/26)
GR13D7972026-08-05. Service bulletin. ELECTRICAL SYSTEM. Parts Withdrawal - Steering Column Switch
GR13D7942026-08-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Parts Withdrawal - Various Parts
SPTL 2607a2026-08-05. Service bulletin. UNKNOWN OR OTHER. VAS 621001A Matrix Headlamp Aimer – Automatic Shipment / Maha Installation

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.