# Service bulletin No. 12\-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.

- Type: Service bulletin
- NHTSA id: 11033638
- Published by NHTSA: 2026\-06\-05
- Manufacturer's number: No. 12\-26
- Manufacturer's date: 2026\-05\-22
- NHTSA component: ENGINE

## NHTSA's summary

Manufacturers certificate for an Allocation of Approved Engine Oils MY 2026

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033638-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033638-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Vehicles listed

- 2026 PORSCHE 718 BOXSTER
- 2026 PORSCHE 718 CAYMAN
- 2026 PORSCHE 718 SPYDER
- 2026 PORSCHE 911
- 2026 PORSCHE 911 CARRERA
- 2026 PORSCHE 911 GT3
- 2026 PORSCHE CAYENNE
- 2026 PORSCHE CAYENNE COUPE
- 2026 PORSCHE CAYENNE E\-HYBRID
- 2026 PORSCHE CAYENNE E\-HYBRID COUPE
- 2026 PORSCHE CAYENNE GTS
- 2026 PORSCHE CAYENNE GTS COUPE
- 2026 PORSCHE CAYENNE S COUPE
- 2026 PORSCHE CAYENNE TURBO E\-HYBRID
- 2026 PORSCHE CAYENNE TURBO E\-HYBRID COUPE
- 2026 PORSCHE MACAN
- 2026 PORSCHE MACAN GTS
- 2026 PORSCHE MACAN S
- 2026 PORSCHE PANAMERA
- 2026 PORSCHE PANAMERA 4
- 2026 PORSCHE PANAMERA 4 E\-HYBRID
- 2026 PORSCHE PANAMERA 4S E\-HYBRID
- 2026 PORSCHE PANAMERA GTS
- 2026 PORSCHE PANAMERA TURBO E\-HYBRID
- 2026 PORSCHE PANAMERA TURBO S E\-HYBRID

## Other bulletins for the same vehicles and component

- [No. 91\-26](/bulletins/11037847.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Technical Information for Particles/Metal Chips/Residues in Engine Oil
- [SY No. 72\-26](/bulletins/11037832.md), 2026-10-02, Service bulletin: ENGINE; POWER TRAIN. Symptom\-based workshop manual for High\-Pitched “Whining” and Whistling Noises in Partial Load Operation from the Engine Area. Note that this bulletin only covers 911 Turbo S with the t\-hybrid system.
- [No. 72\-26](/bulletins/11037830.md), 2026-10-02, Service bulletin: ENGINE; POWER TRAIN. Symptom\-based workshop manual for High\-Pitched “Whining” and Whistling Noises in Partial Load Operation from the Engine Area. Note that this bulletin covers only 911 GTS t\-hybrid models.
- [No. 32\-26](/bulletins/11037826.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of approved Porsche C40 GT engine oils
- [No. 31\-26](/bulletins/11037825.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils
- [No. 30\-26](/bulletins/11037822.md), 2026-10-02, Service bulletin: ENGINE; POWER TRAIN. Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils
- [No. 29\-26](/bulletins/11037818.md), 2026-10-02, Service bulletin: ENGINE; POWER TRAIN. Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils
- [No. 36\-26](/bulletins/11037801.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils
- [No. 62\-26](/bulletins/11037794.md), 2026-10-02, Service bulletin: ENGINE; POWER TRAIN. Technical Information for Coolant Warning Light Lights Up: Suspected Coolant Loss on the Coolant Pump
- [GR13D802](/bulletins/11037070.md), 2026-09-04, Service bulletin: ENGINE; POWER TRAIN. Parts Information for Parts Withdrawal \- Coolant Regulator Housing

JSON: [/v1/bulletins/11033638](/v1/bulletins/11033638)

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