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Service bulletin No. 07/26

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11030787
Published by NHTSA2026-04-06
Manufacturer's numberNo. 07/26
Manufacturer's date2026-03-02
NHTSA componentENGINE

NHTSA's summary

Symptom based workshop manual for information on Combustion Misfiring/Irregular Engine Running During Catalytic Converter Heating Phase and Yellow Malfunction Indicator Light (MIL) Active

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
PORSCHE PANAMERA 4 E-HYBRID2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE PANAMERA 4S E-HYBRID2025 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
WSM52026-10-02. Service campaign. Porsche intranet posting for Campaign WSM5 – Replacing engine data sticker (VECI)
No. WSM52026-10-02. Service campaign. Technical Information for Campaign WSM5 – Replacing engine data sticker (VECI)
No. 31-262026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils
No. 30-262026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils
No. 29-262026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils
No. 36-262026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils
No. 62-262026-10-02. Service bulletin. Technical Information for Coolant Warning Light Lights Up: Suspected Coolant Loss on the Coolant Pump
GR13D8022026-09-04. Service bulletin. Parts Information for Parts Withdrawal - Coolant Regulator Housing
GR13D8032026-09-04. Service bulletin. Parts Withdrawal - Control Valve
No. 2304-22026-09-04. Service bulletin. Information on Advanced Technical Information for E3.I/G2 V8 – Oil/Air Separator Membrane Failure