WenmarOpen by Wenmar Pro

Service bulletin No. 62-26

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 id11037794
Published by NHTSA2026-10-02
Manufacturer's numberNo. 62-26
Manufacturer's date2026-09-01
NHTSA componentENGINE; POWER TRAIN

NHTSA's summary

Technical Information for Coolant Warning Light Lights Up: Suspected Coolant Loss on the Coolant Pump

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, Transmission and driveline

Vehicles listed
PORSCHE CAYENNE GTS2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE GTS COUPE2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE S2024 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE S COUPE2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE TURBO E-HYBRID2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE TURBO E-HYBRID COUPE2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE PANAMERA GTS2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE PANAMERA TURBO E-HYBRID2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE PANAMERA TURBO S E-HYBRID2025, 2026 (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. 81-262026-10-02. Service bulletin. Technical Information for Yellow Warning Message “All-Wheel Drive System Malfunction”, “C12BEF6” and “C133700” in the All-Wheel Electronics Control Unit
GR13D8022026-09-04. Service bulletin. Parts Information for Parts Withdrawal - Coolant Regulator Housing
GR13D8032026-09-04. Service bulletin. Parts Withdrawal - Control Valve
No. 2606-12026-09-04. Service bulletin. Information on Advanced Technical Information for E3II V8 Cayenne – Various Assistance System Warning Messages in the Instrument Cluster due to Implausible Drivetrain Coordinator Status